PAGE 109,132 TITLE MS-DOS 5.0 BIO2.ASM ;************************************************************************ ;* * ;* * ;* MODULE NAME: BIO2.ASM * ;* * ;* * ;* COPYRIGHT (C) NEC CORPORATION 1990 * ;* * ;* NEC CONFIDENTIAL AND PROPRIETARY * ;* * ;* All rights reserved by NEC Corporation. * ;* this program must be used solely for * ;* the purpose for which it was furnished * ;* by NEC Corporation. No past of this program * ;* may be reproduced or disclosed to others, * ;* in any form, without the prior written * ;* permission of NEC Corporation. * ;* Use of copyright notice does not evidence * ;* publication of this program. * ;* * ;************************************************************************ ; ; CORRECTION HISTORY ; 84/11/14 ; 84/11/18 MAKE PRINTER-I/O DEVICE-DRIVER ; 84/11/19 CORRECT INDIRECT CALLING ; 85/02/01 CORRECT FOR X2ROM(1/31) ; 85/02/27 MAKE KANJI DEVICE-DRIVER ; 85/03/05 BI-MEDIA DEVICE ; 85/03/28 ADDING B4670-CODE & STUDYING BUFFER FOR BUNSETSU DRIVER ; 85/04/11 2D MODE SUPPORT ; 85/05/15 B4670 BPB & VHD INFO. (DATA) ; 85/05/18 LINMOD ADDR FOR BUNSETSU ; 85/10/03 ENHANCE FOR DOS 3.XX ; 85/10/22 UPDATE REVISION ; 86/09/23 ; 88/3 - 88/5 -- MS-DOS 3.30 -- ; ; 90/11,12 MS-DOS 5.0 BRANCH=0 ; ; This file defines the segment structure of the BIOS. ; It should be included at the beginning of each source file. ; All further segment declarations in the file can then be done by just ; by specifying the segment name, with no attribute, class, or align type. datagrp group Bios_Data,Bios_Data_Init Bios_Data segment word public 'Bios_Data' Bios_Data ends Bios_Data_Init segment word public 'Bios_Data_Init' Bios_Data_Init ends Filler segment para public 'Filler' Filler ends Bios_Code segment word public 'Bios_Code' Bios_Code ends Filler2 segment para public 'Filler2' Filler2 ends SysInitSeg segment word public 'system_init' SysInitSeg ends Bios_Data_Init segment word public 'Bios_Data_Init' ASSUME CS:DATAGRP,DS:datagrp EXTRN INIT:NEAR Bios_Data_Init ends Bios_Code segment word public 'Bios_Code' ASSUME CS:BIOS_CODE,DS:datagrp EXTRN KBIN:NEAR,KBSTAT:NEAR,KBFLUSH:NEAR,CRTOUT:NEAR,CRTRDY:NEAR EXTRN SETDATE:near,SETTIME:near,GETDATE:near EXTRN STOP_CHK:NEAR EXTRN STOP_CHK_FAR:NEAR EXTRN DSK_INIT_CODE:NEAR,MEDIA_CHK_CODE:NEAR,GET_BPB_CODE:NEAR EXTRN DSK_READ_CODE:NEAR,DSK_WRIT_CODE:NEAR,DSK_WRTV_CODE:NEAR ; EXTRN REINIT_CODE_RTN:NEAR ; ; ENHANCE DOS 3.XX ; EXTRN DSK_OPEN_CODE:NEAR,DSK_CLOSE_CODE:NEAR,DSK_REMOVABLE_CODE:NEAR ; EXTRN BELRTN:NEAR,D_MCONV:NEAR,HEXCHK:NEAR EXTRN Generic$IOCTL_CODE:NEAR EXTRN IOCTL$GetOwn_CODE:NEAR EXTRN IOCTL$SetOwn_CODE:NEAR EXTRN IOCTL_SUPPORT_QUERY_CODE:NEAR EXTRN KBIN_FAR:NEAR,KBSTAT_FAR:NEAR,KBFLUSH_FAR:NEAR EXTRN CRTOUT_FAR:NEAR,CRTRDY_FAR:NEAR EXTRN HEXCHK_FAR:NEAR EXTRN D_MCONV_FAR:NEAR EXTRN BELRTN_FAR:NEAR EXTRN COPY_INT_CODE:NEAR EXTRN INT_TRAP_CODE:NEAR EXTRN STOP_INT_CODE:NEAR EXTRN INT_29_CODE:NEAR EXTRN EXTBIOS_CODE:NEAR EXTRN HD_ENTI_CODE:NEAR EXTRN EXFNC_START_CODE:NEAR EXTRN CRTBIOS_START_CODE:NEAR EXTRN NEW_1A_ENT_CODE:NEAR EXTRN INT_1CH_CODE:NEAR EXTRN TIM_INT_CODE:NEAR EXTRN NEW_1B_INT_CODE:NEAR Bios_Code ends SysInitSeg segment word public 'system_init' assume cs:sysinitseg extrn FTryToMovDOSHi:far public SI_start SI_start: SysInitSeg ends Bios_data segment word public 'Bios_data' ASSUME CS:DATAGRP,DS:DATAGRP PUBLIC BIOS_SEG ;90/12/25 PUBLIC REVISION PUBLIC VRAMSEG PUBLIC EXMM_SIZE ;88/03/31 PUBLIC STRATEGY,DSK_INT PUBLIC EXIT,BUS_EXIT,ERR_EXIT,EXITRF PUBLIC EXITRTN PUBLIC DRV_NUM,DEV_TBL,PTRSAV PUBLIC BIOS_FLAG PUBLIC MEM_SW1,MEM_SW2,MEM_SW3,MEM_SW4,MEM_SW5,MEM_SW6,MEM_SW7 PUBLIC LPTABLE,DSK5_TYP,CBIOS_FLAG PUBLIC HD_CAP,INT1B_OFST,INT1B_SGMT PUBLIC N8FD,N5FD,N5HD,N5,HD_NO,D_TYP PUBLIC INT1E_OFST,INT1E_SGMT,INT1F_OFST,INT1F_SGMT PUBLIC EXT_ROM,LD_ULD_PTR,PRN_INF PUBLIC IDXR_FLG,SEG_DOS,TRG_DRV,DIC_NAME PUBLIC SFTJISMOD,MODMARK1,MODMARK2 PUBLIC HDIO_FLG PUBLIC CONOUT,LISTOUT,S_R8 PUBLIC CONOUT_FAR PUBLIC SNG_DRV,SNGDRV_FLG PUBLIC SYS_500,SYS_501 PUBLIC P_FLAG,FKYCNT,FKYPTR,LINMOD,CRTMOD,HEXMOD,HEXWRK,KBH_ADR PUBLIC ESCBUF,ESCPTR,ESCSUBRTN,ESCPOSSAVE,ESCCNT,ESCPRM PUBLIC SRMFLG,ESCATRSAVE,ESCCPRBUF,ESCCPRLIN,ESCCPRCOL PUBLIC KANJICNT,K1STSAV,WRAPMOD,ROLSW,NULCHR,ENDLINE,CSRSW PUBLIC FKYSW,CURLIN,CURCOL,DEFATTR,CURATTR,ROLTOP,WAITCNT PUBLIC FKYD_KCNT,FKYD_K1SAV PUBLIC X_PAGE_FLAG,KANJI_MODE,FKY_BUFFER,KBGLIN PUBLIC DSK_BUF,KBKNJ_FLG,TEMPB1_CNT,KBINP_CNT PUBLIC BIDTBL,BIDTBL5,PREDNST,PREDENS5 PUBLIC PUA,PWINF,FSW5,FSW8 PUBLIC KDRV_FLG,AIRST,OPMOD PUBLIC SNRST1,SAVEAL,OPMOD5 PUBLIC VT_OFFSET,VT_LAST,VBPB ;--------------------------------------------------------- 88/05/19 -- ; PUBLIC VOLTABLE ;--------------------------------------------------------------------- PUBLIC BUSY ;DOS 3.XX PUBLIC REFCNT,MEDIABYT,BYTPSEC ;DOS 3.XX PUBLIC XPORT_FLAG ;DOS 3.XX PUBLIC VSYS_FLAG PUBLIC SVBPS,VOLWORK PUBLIC CTRLCMD,PR_RATIO ;86-08-21(PR) PUBLIC COPY_FLAG,COPYSTOP,STOP_FLAG PUBLIC STACK_TOP PUBLIC DSK_BUF2 PUBLIC CMD_ERR PUBLIC FBIGFAT PUBLIC FBIGFATS PUBLIC CURATTR2,DEFATTR2,ATRSAVE2 PUBLIC SEG_DOS,CONSOLE_TABLE,AUXILIARY_TABLE,JAPAN_TABLE PUBLIC PRINTER_TABLE,OUT_NXT_PTR PUBLIC COPY_INT,INT_TRAP,STOP_INT PUBLIC INT_29,EXTBIOS,HD_ENTI,EXFNC_START PUBLIC CRTBIOS_START,NEW_1A_ENT PUBLIC INT_1CH,TIM_INT,NEW_1B_INT PUBLIC RE_INIT ESCBUFSIZ EQU 20 BIOSSEG EQU 0060H ;BIOS SEGMENT IODAT STRUC CMDLEN DB ? ;LENGTH OF COMMAND UNIT DB ? ;SUB UNIT SPECIFIER CMD DB ? ;COMMAND CODE STATUS DW ? ;STATUS DB 8 DUP(?) MEDIA DB ? ;MEDIA DESCRIPTOR TRANS DD ? ;TRANSFER ADDRESS COUNT DW ? ;COUNT OF BLOCKS OR CHARACTERS START DW ? ;FIRST BLOCK TO TRANSFER ;------------------------------------------------DOS5 90/12/14----------- VOLID DD ? START_L DW ? ;FIRST BLOCK TO TRANSFER START_H DW ? ;FIRST BLOCK TO TRANSFER ;------------------------------------------------------------------------ IODAT ENDS ;------------------------------------------------DOS5 90/12/14----------- BPB_SIZE EQU 17 HDDSK_SIZE EQU BPB_SIZE*4 ;------------------------------------------------------------------------ ;------------------------------------------------DOS5 91/01/18----------- ;** BIOS PARAMETER BLOCK DEFINITION ; ; The BPB contains information about the disk structure. It dates ; back to the earliest FAT systems and so FAT information is ; intermingled with physical driver information. ; ; A boot sector contains a BPB for its device; for other disks ; the driver creates a BPB. DOS keeps copies of some of this ; information in the DPB. ; ; The BDS structure contains a BPB within it. ; A_BPB STRUC BPB_BYTESPERSECTOR DW ? BPB_SECTORSPERCLUSTER DB ? BPB_RESERVEDSECTORS DW ? BPB_NUMBEROFFATS DB ? BPB_ROOTENTRIES DW ? BPB_TOTALSECTORS DW ? BPB_MEDIADESCRIPTOR DB ? BPB_SECTORSPERFAT DW ? BPB_SECTORSPERTRACK DW ? BPB_HEADS DW ? BPB_HIDDENSECTORS DW ? DW ? BPB_BIGTOTALSECTORS DW ? DW ? DB 6 DUP(?) ; NOTE: many times these ; ; 6 bytes are omitted ; ; when BPB manipulations ; ; are performed! A_BPB ENDS bds_struc struc bds_link dd 0ffffh ; link to next bds bds_drivenum db 80 ; int 13 drive number bds_drivelet db 3 ; dos drive number ; We want to embed a BPB declaration here, but we can't initialize ; it properly if we do, so we duplicate the byte/word/dword architecture ; of the BPB declaration. ;BDS_BPB db size BPBSTRUC dup (?) ; actual BPB BDS_BPB dw 512 ; BPB_BYTESPERSECTOR db 1 ; BPB_SECTORSPERCLUSTER dw 1 ; BPB_RESERVEDSECTORS db 2 ; BPB_NUMBEROFFATS dw 16 ; BPB_ROOTENTRIES dw 0 ; BPB_TOTALSECTORS db 0f8h ; BPB_MEDIADESCRIPTOR dw 1 ; BPB_SECTORSPERFAT dw 0 ; BPB_SECTORSPERTRACK dw 0 ; BPB_HEADS dd 0 ; BPB_HIDDENSECTORS dd 0 ; BPB_BIGTOTALSECTORS bds_fatsiz db 0 ; flags... bds_opcnt dw 0 ; open ref. count bds_formfactor db 3 ; form factor index bds_flags dw 0020h ; various flags bds_ccyln dw 40 ; max number of cylinders BDS_RBPB db size A_BPB dup (0) ; recommended BPB bds_track db -1 ; last track accessed on drive bds_tim_lo dw 1 ; time of last access. keep bds_tim_hi dw 0 ; these contiguous. bds_volid db "NO NAME ",0 ; volume id of medium bds_vol_serial dd 0 ;current volume serial number from boot record bds_filesys_id db "FAT12 ",0 ; current file system id from boot record bds_struc ends ; values for various flags in bds_flags. fnon_removable equ 01h ;for non-removable media fchangeline equ 02h ;if changeline supported on drive return_fake_bpb equ 04h ; when set, don't do a build bpb ; just return the fake one good_tracklayout equ 08h ; the track layout has no funny sectors fi_am_mult equ 10h ;if more than one logical for this physical fi_own_physical equ 20h ;signify logical owner of this physical fchanged equ 40h ;indicates media changed set_dasd_true equ 80h ; set dasd before next format fchanged_by_format equ 100h ;media changed by format unformatted_media equ 200h ;an001; fixed disk only ;------------------------------------------------------------------------ PAGE ;************************************************************************ ;* * ;* * ;* START OF IO.SYS VARIABLE * ;* * ;* * ;************************************************************************ BIO2_START: ORG 0 JMP INIT ;INITIALIZE ; ;NIPPON GO NYURYOKU ENTRANCE AND EXIT FOR AP ; JMP KB_KANJI_ENT JMP KB_KANJI_EXT ; ; RESERVED 0009H --> 0019H ; FREE_0 EQU 20H-($-BIO2_START) DB FREE_0 DUP(0) ORG 14h public ntvdmstate ntvdmstate dd 0 ORG 20h public IOSYS_REV, MINOR_REV ;IOSYS_REV dw 0004h ;3.3C IO.SYS revision ; ;IOSYS_REV dw 0101h ;5.0 IO.SYS revision ; ;IOSYS_REV dw 0102h ;5.0A IO.SYS revision DOS5A 92/04/07 ; IOSYS_REV dw 0104h ;5.0A IO.SYS revision DOS5A 93/02/02 ;----------------------------------------------- DOS5 92/02/04 ------- ; ;MINOR_REV db 01h ;IO.SYS minor revision ; ; ;MINOR_REV db 02h ;IO.SYS minor revision ; ; ;MINOR_REV db 03h ;IO.SYS minor revision ; MINOR_REV db 04h ;IO.SYS minor revision ;--------------------------------------------------------------------- ;------------------------------------------------------ DOS5 91/05/08 - public dosdatasg dosdatasg dw 0 bios_i2f proc far db 0eah dd int_2f bios_i2f endp romstartaddr dw 0 altah db 0 ;special key handling ORG 2EH BIOS_SEG DW BIOS_CODE ORG 30H AUTO_FLAG DB ? ;Interface area for EMS maintainance ;------------------------------------------------------ 88/03/31 DOS3.3 ORG 31H EXMM_SIZE DB 0 ;EXTENDED MEMORY SIZE SAVE ;------------------------------------------------------- 011 --------- ; ORG 32H ;88/03/31 VRAMSEG DW 0A000H ;VIDEO RAM SEGMENT DEB_FLG DB 0 ;FOR DEBUG (IO.SYS) DRVFLG DB 0 ;ASSIGN COMMAND USE ;--------------------------------------------------------------------- ORG 36H SYS_500 DB 0 ;COPY OF 0000:0500 SYS_501 DB 0 ;COPY OF 0000:0501 SNGDRV_FLG DB 0 SNG_DRV DB 0 ;LAST I/O ON SNGLE DRIVE 0:A 1:B DIC_NAME DB 'KNJDIC SYS' ;DICTIONARY NAME TRG_DRV DB 0 ;DEFAULT DRIVE INT1E_OFST DW 0 INT1E_SGMT DW 0 INT1F_OFST DW 0 INT1F_SGMT DW 0 SEG_DOS DW 0 ;MSDOS.SYS SEGMENT ADDRESS LD_ULD_PTR DW 0,0 ;POINTER FOR ADDDRV/DELDRV WORK ;FOR DYNAMIC INSTALL/DEINSTALL ;************************************************ ;* * ;* DEVICE ASSIGN TABLE * ;* * ;************************************************ ; ASS_CONIN DB 0 ;DEFAULT KEYBOARD ASS_READER DB 1 ; RS232C ASS_CONOUT DB 1,0,0,0,0,0 ; CRT ASS_LISTOUT DB 1,1,0,0,0,0 ; PRINTER ASS_PUNCH DB 1,2,0,0,0,0 ; RS232C ;************************************************ ;* * ;* COPY OF MEMORY SWITCH 1-4 * ;* * ;************************************************ ; MEM_SW1 DB 0 MEM_SW2 DB 0 MEM_SW3 DB 0 MEM_SW4 DB 0 ;************************************************ ;* * ;* LOGICAL DRIVE --> DA/UA TABLE * ;* * ;************************************************ ; LPTABLE LABEL BYTE ;LOGICAL/PHYSICAL DRIVE CONVERT DB 0,0,0,0,0,0,0,0 ;DRIVE "A:" - "P:" DB 0,0,0,0,0,0,0,0 ; DSK5_TYP DB 4,4,4,4 ;5"2DD DISK TYPE ; 0:1D(8) ; 1:1D(9) ; 2:2D(8) ; 3:2D(9) ; 4:2DD(8) ; 5:2DD(9) CBIOS_FLAG DB 00011100B ;DISK ACCESS FLAG ; IIII+-------- 5"FD(8031) ACCESS NOT USED ; III+--------- 5"FD(8031) SEC/TRK READ ; II+---------- 5"HD ACCESS ; I+----------- 8"FD ACCESS ; +------------ 5"FD(9831) ACCESS ;************************************************ ;* * ;* REVISION CODE * ;* * ;************************************************ ; REVISION DB 11110000B ;9800 3.10=0B0H ; IIII +-------- HARD MODE ; IIII 1:HIRESOLUTION /0:NORMAL ; III+------------ DRIVER INSTALLABLE ; III 1:INSTALLABLE /0:NOT ; II+------------- OS VERSION(2) ; II 1:3.10 /0:1.25,2.11 ; I+-------------- CTRL+F･KEY ; I 1:USE /0:NOT ; +--------------- OS VERSION ; 1:VER.2.11 /0:VER.1.25 HD_CAP DB 0,0 ;5"HD CAPACITY (MS-DOS PART) HD_INT_OFFSET DW OFFSET HD_ENTI ;INT B1H (HD BIOS) ENTRY TRP_OFFSET DW OFFSET INT_TRAP ;INTERRUPT TRAP ENTRY PRN_INF DB 0,66H ;PRINTER INFO. (NOT USED) ;************************************************ ;* * ;* CONSOLE CONTROL * ;* ( TOP OF CONSOLE TABLE ) * ;* * ;************************************************ CONSOLE_TABLE LABEL FAR SFTJISMOD DB 1 ;CHARACTER MODE ; 0:GRAPH /1:KANJI MODMARK1 DB ' ' ;' ':KANJI /'g':GRAPH MODMARK2 DB ' ' ;' ':FUNC /'*':SFT-FUNC ;************************************************ ;* * ;* COPY OF MEMORY SWITCH 5-7 * ;* * ;************************************************ ; MEM_SW5 DB 0 MEM_SW6 DB 0 MEM_SW7 DB 0 ;************************************************ ;* * ;* DISK INFO. * ;* ( TOP OF DISK TABLE ) * ;* * ;************************************************ PUBLIC COMP_HDOFST_N,ALC_TYP DISK_TABLE LABEL FAR INT1B_OFST DW 0 ;INT 1BH ADDRESS INT1B_SGMT DW 0 ; ( FOR N10 ONLY ) ; COMP_HDOFST_N DW 0,0 ;HD PARTITION START DW 0,0 ; ( FOR COMPATIBLE ) LAST_SEC DW 0,0 ; DW 0,0 ;RESERVED ;-------------------------------------------------------------------- STOP_FLAG DB 0 ;STOP KEY INDICATE COPY_FLAG DB 0 ;HARD COPY INDICATE COPYSTOP DB 0 ;HARD COPY STOP FLAG DB 0 ;RESERVED ;-------------------------------------------------------------------- EXT_ROM DW 0,0 ;EXTENDED ROM CALL ; ( FOR N10 ONLY ) N8FD DB 0 ;NUMBER OF 1MB DISK N5FD DB 0 ;NUMBER OF 640KB DISK N5HD DB 0 ;NUMBER OF HARD DISK N5 DB 0 ;NUMBER OF 160/320KB DISK IDXR_FLG DB 00000000B ;DICTIONARY I/O CONTROL FLAGS ; I II ; I I+-------- FORCE TO READ INDEX ; I +--------- FORCE TO READ PAGE ; +--------------- WRITE PAGE CONTROL D_TYP DB 0 ;BOOT DISK TYPE ;0:8"FD 1:5"2DD 2:5"HD HDIO_FLG DB 0 ;HD ACCESS FLAG HD_NO DB 0 ;? BIOS_FLAG DB 0 ; ALC_TYP DB 0 ;DRIVE ALLOCATION TYPE(always 0) ;************************************************ ;* * ;* [KANJI] WORKING FIELD * ;* (TOP OF KANJI TABLE ) * ;* * ;************************************************ ORG 0B6H JAPAN_TABLE LABEL FAR KBKNJ_FLG DB 00000000B ;KANJI INPUT MODE FLAG ; IIIIIII+-------- 0:ZENKAKU /1:HANKAKU ; IIIIII+--------- 0:KATAKANA /1:HIRAGANA ; IIIII+---------- RFU ; IIII+----------- 0: /1:XFER MODE ; III+------------ RFU ; II+------------- RFU ; I+-------------- 0:DIRECT MODE /1:INDIRECT MODE ; +--------------- 0:ANK MODE /1:NIPPONGO MODE KANJI_MODE DB 0 ;0B7H KBINP_CNT DB 0 ;0B8H KBGLIN DB 0 ;0B9H X_PAGE_FLAG DB 00000000B ;PAGE CONRTOL ; III ; II+-------- NEXT PAGE NOT FOUND ; I+--------- PREVIOUS PAGE NOT FOUND ; +---------- WORD NOT FOUND TEMPB1_CNT DB 0 ;0BBH FREE_1 EQU 0C0H-($-BIO2_START) ;mustn't use DB FREE_1 DUP(0) ; ORG 0C0H FKY_BUFFER DB 62 DUP(?) ;STRING BUFF (SHORT) ; DEFINE BYTES ORG 0C0H WFKY_BUFFER DW 31 DUP(?) ;STRING BUFF (SHORT) ; DEFINE WORD FKY_BUF_ADR EQU OFFSET FKY_BUFFER ORG 0FEH KNJ_FNC_NO DW 0 KNJ_KBH_NO DW 0 ;************************************************ ;* * ; [KEYBOARD] WORKING FIELD * ;* * ;************************************************ FREE_2 EQU 103H-($-BIO2_START) ;mustn't use DB FREE_2 DUP(0) ; ORG 103H FKYCNT DB 0 ;FNC KEY COUNTER FKYPTR DW FKYTBL ;FNC KEY POINTER HEXMOD DB 0 ;HEX MODE P_FLAG DB 0 ;^P FLAG CRTMOD DB 0 ;CRT TYPE HEXWRK DB 0 ;HEX ROUTINE USE KBH_ADR DW 0 ;ADDR ORG 10CH CTRLCMD DB 00000000B ;CTRL-FUNC FLAG ; I+-------- 1:CTRL-F.01-F.10 IS SOFT KEY ; +--------- 1:CTRL-XFER IS SOFT KEY ;************************************************ ;* * ; [CONSOLE] WORKING FIELD * ;* * ;************************************************ ; FREE_3 EQU 110H-($-BIO2_START) DB FREE_3 DUP(0) ORG 110H CURLIN DB 0 ;CURRENT LINE FKYSW DB 1 ;FUNC_KEY SWITCH ; 0:NOT DISP /1:FUNC /2:SHIFT+FUNC ENDLINE DB 23 ;END LINE NUMBER (DEF=23) LINMOD DB 1 ;DISPLAY LINE MODE ; (H) 0:25LINE /1:31LINE ; (N) 0:20LINE /1:25LINE DEFATTR DB 81H ;DEFAULT ATTRIBUTE KANJICNT DB 0 ;1: 0: 115H K1STSAV DB 0 ;KANJI FIRST DATA DAVE WRAPMOD DB 0 ;END OF LINE MODE ; 1:DISCARD /0:WRAP ROLSW DB 0 ;ROLL UP SPEED, NULCHR DW 0020H ;NULL CHARACER (SPACE) CSRSW DB 1 ;CURSOR SWITCH ; 0:OFF /1:ON CURCOL DB 0 ;CURRENT COLUMN CURATTR DB 81H ;CURRENT ATRIBUTE ROLTOP DB 0 ;TOP OF SCROLL LINE WAITCNT DW 1 ;WAIT COUNT FOR SCROLLUP FKYD_KCNT DB 0 FKYD_K1SAV DB 0 DB 0 ;FREE ORG 124H ESCSUBRTN DW 0 ;ESC SUBROUTINE ADDRESS ESCPOSSAVE DW 0 ESCCNT DB 0 ;COUNTER ESCPRM DB 1 ;PARAMETER COUNT AREA SRMFLG DB 0 ;SET/RESET MODE FLAG (IN ESCVT) ESCATRSAVE DB 81H ESCCPRBUF DB 1BH,'[' ;CSI ESCCPRLIN DW 0 ;12EH DB ';' ESCCPRCOL DW 0 ;COLUMN DB 'R' ORG 134H ESCPTR DW ESCBUF ;POINTER ;--------------------------------------------------------------------------- ;************************************************ ;* * ;* COMPATIBILITY AREA * ;* * ;************************************************ PUBLIC CURDRV,EXTSW PUBLIC ERROR_FLG,AUT_LEX CURDRV DB 0 ;CURRENT DRIVE (FOR COMPATIBLITY) DB 0,0 ;RFU ERROR_FLG DB 0 ;? AUT_LEX DB -1 ;SWITCH TO INDICATE AUTO LOG-EXTENT EXTSW DB 0 ;LOGICAL EXTENT FLAG (COMPATIBLITY) ;--------------------------------------------------------------------------- CURATTR2 DW 0081H DEFATTR2 DW 0081H ATRSAVE2 DW 0081H ;------------------------------------------------------ DOS5 90/ / - public MULTRK_FLAG,EC35_FLAG public KEYSTS_FUNC,KEYRD_FUNC MULTRK_FLAG DW 0H KEYSTS_FUNC DB 0H KEYRD_FUNC DB 0H EC35_FLAG DB 0H public FreeHMAPtr public MoveDOSIntoHMA FreeHMAPtr dw -1 MoveDOSIntoHMA dd sysinitseg:FTryToMovDOSHi ;SR; ; A communication block has been setup between the DOS and the BIOS. All ;the data starting from SysinitPresent will be part of the data block. ;Right now, this is the only data being communicated. It can be expanded ;later to add more stuff ; public SysinitPresent public DemInfoFlag SysinitPresent db 0 DemInfoFlag db 0 public inHMA,xms inHMA db 0 ; flag indicates we're running from HMA xms dd 0 ; entry point to xms if above is true ;A20WasOff db 0 ; M041 ;HMAinprogress db 0 ;---------------------------------------------------------------------- ;----------------------------------------------- DOS5 92/06/22 ------- ; public samedrv samedrv db 0 ;--------------------------------------------------------------------- FREE_4 EQU 160H-($-BIO2_START) DB FREE_4 DUP(0) ;************************************************ ;* * ;* [KNJLIO] WORKING FIELD * ;* * ;************************************************ ORG 160H ;--------------------------------------------------------- 90/03/20 -- ; PUBLIC FAT_INF ;FAT_INF DW 686 DUP(0) ;FAT INFORMATION ;************************************************ ; MS-DOS 5.0 * ; FAR CALL/FAR JUMP TABLE * ;************************************************ cdev: KBIN_CODERTN DW OFFSET KBIN_FAR DW BIOS_CODE S0IN_CODERTN DW OFFSET S0IN_FAR DW BIOS_CODE S1IN_CODERTN DW OFFSET S1IN_FAR DW BIOS_CODE S2IN_CODERTN DW OFFSET S2IN_FAR DW BIOS_CODE KBSTAT_CODERTN DW OFFSET KBSTAT_FAR DW BIOS_CODE S0STAT_CODERTN DW OFFSET S0STAT_FAR DW BIOS_CODE S1STAT_CODERTN DW OFFSET S1STAT_FAR DW BIOS_CODE S2STAT_CODERTN DW OFFSET S2STAT_FAR DW BIOS_CODE KBFLUSH_CODERTN DW OFFSET KBFLUSH_FAR DW BIOS_CODE S0FLUSH_CODERTN DW OFFSET S0FLUSH_FAR DW BIOS_CODE S1FLUSH_CODERTN DW OFFSET S1FLUSH_FAR DW BIOS_CODE S2FLUSH_CODERTN DW OFFSET S2FLUSH_FAR DW BIOS_CODE CRTOUT_CODERTN DW OFFSET CRTOUT_FAR DW BIOS_CODE PRNOUT_CODERTN DW OFFSET PRNOUT_FAR DW BIOS_CODE S0OUT_CODERTN DW OFFSET S0OUT_FAR DW BIOS_CODE S1OUT_CODERTN DW OFFSET S1OUT_FAR DW BIOS_CODE S2OUT_CODERTN DW OFFSET S2OUT_FAR DW BIOS_CODE CRTRDY_CODERTN DW OFFSET CRTRDY_FAR DW BIOS_CODE PRNRDY_CODERTN DW OFFSET PRNRDY_FAR DW BIOS_CODE S0RDY_CODERTN DW OFFSET S0RDY_FAR DW BIOS_CODE S1RDY_CODERTN DW OFFSET S1RDY_FAR DW BIOS_CODE S2RDY_CODERTN DW OFFSET S2RDY_FAR DW BIOS_CODE CLK_READ_RTN DW OFFSET CLK_READ_CODERTN DW BIOS_CODE CLK_WRIT_RTN DW OFFSET CLK_WRIT_CODERTN DW BIOS_CODE STOP_CHK_RTN DW OFFSET STOP_CHK_FAR DW BIOS_CODE HEXCHK_RTN DW OFFSET HEXCHK_FAR DW BIOS_CODE D_MCONV_RTN DW OFFSET D_MCONV_FAR DW BIOS_CODE BELRTN_RTN DW OFFSET BELRTN_FAR DW BIOS_CODE DSK_INIT_DATARTN DW OFFSET DSK_INIT_CODE DW BIOS_CODE MEDIA_CHK_DATARTN DW OFFSET MEDIA_CHK_CODE DW BIOS_CODE GET_BPB_DATARTN DW OFFSET GET_BPB_CODE DW BIOS_CODE DSK_READ_DATARTN DW OFFSET DSK_READ_CODE DW BIOS_CODE DSK_WRIT_DATARTN DW OFFSET DSK_WRIT_CODE DW BIOS_CODE DSK_WRTV_DATARTN DW OFFSET DSK_WRTV_CODE DW BIOS_CODE DSK_OPEN_DATARTN DW OFFSET DSK_OPEN_CODE DW BIOS_CODE DSK_CLOSE_DATARTN DW OFFSET DSK_CLOSE_CODE DW BIOS_CODE DSK_REMOVABLE_DATARTN DW OFFSET DSK_REMOVABLE_CODE DW BIOS_CODE Generic$IOCTL_DATARTN DW OFFSET Generic$IOCTL_CODE DW BIOS_CODE IOCTL$GetOwn_DATARTN DW OFFSET IOCTL$GetOwn_CODE DW BIOS_CODE IOCTL$SetOwn_DATARTN DW OFFSET IOCTL$SetOwn_CODE DW BIOS_CODE IOCTL_SUPPORT_QUERY_DATARTN DW OFFSET IOCTL_SUPPORT_QUERY_CODE DW BIOS_CODE INT_TRAP_DATA DW offset INT_TRAP_CODE DW BIOS_CODE COPY_INT_DATA DW offset COPY_INT_CODE DW BIOS_CODE STOP_INT_DATA DW offset STOP_INT_CODE DW BIOS_CODE INT_29_DATA DW offset INT_29_CODE DW BIOS_CODE EXTBIOS_DATA DW offset EXTBIOS_CODE DW BIOS_CODE HD_ENTI_DATA DW offset HD_ENTI_CODE DW BIOS_CODE EXFNC_START_DATA DW offset EXFNC_START_CODE DW BIOS_CODE CRTBIOS_START_DATA DW offset CRTBIOS_START_CODE DW BIOS_CODE NEW_1A_ENT_DATA DW offset NEW_1A_ENT_CODE DW BIOS_CODE INT_1CH_DATA DW offset INT_1CH_CODE DW BIOS_CODE TIM_INT_DATA DW offset TIM_INT_CODE DW BIOS_CODE NEW_1B_INT_DATA DW offset NEW_1B_INT_CODE DW BIOS_CODE REINIT_DATA_RTN DW OFFSET REINIT_CODE_RTN DW BIOS_CODE end_BC_entries: ;----------------------------------------------- DOS5 91/01/09 ------- ; ; Data form MODISK.ASM ; PUBLIC MO_HEAD, MO_SECTOR, MAX_PART, VOL_INF_LENGTH PUBLIC B_COMMAND, B_FLAG, B_SCSIID, B_LUN, B_LBAVH, B_LBAH PUBLIC B_LBAM, B_LBAL, B_DOFFSET, B_DSEGMENT, B_DLENGTH PUBLIC B_ODC_STATUS, B_SCSI_STATUS, B_SENSE_KEY, B_SENSE_CODE PUBLIC YUKO_UNIT, MO_LPFLG, SUB_UNIT, SUB_ID, MO_DEV_OFFSET PUBLIC MO_SUB_OFFSET, READ_V_FLG, READ_LABEL, ERR_STATUS PUBLIC LNG_TRNSMO, LNG_PTRNS, BLOCK_TRNS, SEC_PBLOCK, SCSI_FLG PUBLIC NSMO, CALLADDR, MO_DEV_LENGTH, MO_DEVICE_TBL PUBLIC MO_ADDR_LENGTH, MO_ADDR_TBL, ERR_CODE_TBL PUBLIC PARAMETER, CDB, REMAIN_ADDR, REMAIN_LNG, BUFFER ;**************************************** ;* VOLUM INFORMATION * ;**************************************** ;MO_CYLINDER DW 4656 ; 光ディスク装置 MO_HEAD DB 1 ; 仮想アドレス値 MO_SECTOR DB 64 ; MAX_PART DB 16 ; パーティション分割可能数 VOL_INF_LENGTH DW 32 ; ボリューム管理情報１テーブル長 ;**************************************** ;* COMMAND PACKET FOR MO-BIOS * ;**************************************** EVEN B_COMMAND DB 00H ; COMMAND B_FLAG DB 00H ; COMMAND FLAG B_SCSIID DB 00H ; SCSI ID B_LUN DB 00H ; SCSI LUN B_LBAVH DB 00H ; Logical Block Address Very Hight B_LBAH DB 00H ; Logical Block Address Hight B_LBAM DB 00H ; Logical Block Address Middle B_LBAL DB 00H ; Logical Block Address Low B_DOFFSET DW 0000H ; Data Area Pointer Offset B_DSEGMENT DW 0000H ; Data Area Pointer Segment B_DLENGTH DW 0000H ; Data Area Length B_ODC_STATUS DB 00H ; ODC 141 Status B_SCSI_STATUS DB 00H ; SCSI Status B_SENSE_KEY DB 00H ; B_SENSE_CODE DB 00H ; B_RESERVE DW 0000H ; RESERVE ;**************************************** ;* WORK DATA * ;**************************************** YUKO_UNIT DB 04H ; １物理装置当りの有効パーティション数 MO_LPFLG DB 00H ; デバイス接続状況 SUB_UNIT DB 00H ; サブユニット番号セーブエリア SUB_ID DB 00H ; サブユニットＳＣＳＩ-ＩＤセーブエリア MO_DEV_OFFSET DW 0000H ; 当該装置デバイステーブルＨＥＡＤポインタ MO_SUB_OFFSET DB 00H ; 当該装置内相対ドライブ番号 READ_V_FLG DB 00H ; VOLUM LABEL READ FLG READ_LABEL DB 00H ; VOLUM LABEL READ END FLG ERR_STATUS DB 00H ; ERR STATUS FOR MS-DOS ;**************************************** ;* read write process use data * ;**************************************** LNG_TRNSMO DW 0000H ; 転送要求論理セクタ数　 LNG_PTRNS DW 0000H ; 転送要求物理セクタ数 BLOCK_TRNS DW 0000H ; 転送開始論理セクタ番号 SEC_PBLOCK DW 0000H ; 論理セクタ当りの物理セクタ数 SCSI_FLG DB 00H ; NSMO DB 00H ; CALLADDR DW 0000H PAGE ;**************************************** ;* DEVICE DRIVER SYSTEM INFORMATION * ;**************************************** EVEN MO_DEV_LENGTH DW 4 ; １デバイス管理テーブル長 MO_DEVICE_TBL DB 32 DUP(00H) ; デバイス管理テーブル (4Byte*4Pt*2Drv) DB 32 DUP(00H) ; RFU(4Byte*4Pt*2Drv) ; +-------+-------+-------+-------+ ; | SUB | FLAG | SCSI | RFU | ; | UNIT# | (AI) | ID | | ; +-------+-------+-------+-------+ ; 01 - ＢＰＢ更新済み ; 02 - ＢＰＢ未更新 ; ; EVEN MO_ADDR_LENGTH DW 12 ; １ボリュームアドレス管理テーブル長 MO_ADDR_TBL DB 96 DUP(00H) ; 12Byte*4Pt*2Drv DB 96 DUP(00H) ; 12Byte*4Pt*2Drv(RFU) ; +-------+-------+-------+-------+-------+-------+-------+-------+ ; | IPL SECTOR | 論理ボリューム開始 SECTOR | ; | L M H VH | L M H VH | ; +-------+-------+-------+-------+-------+-------+-------+-------+ ; +-------+-------+-------+-------+ ; | 論理ボリューム終了 SECTOR | 物理セクタで設定される ; | L M H VH | ; +-------+-------+-------+-------+ ; ;**************************************** ;* ERR CODE TBL (16 DATA / 1LINE) * ;**************************************** ERR_CODE_TBL: ;-----------------------------------------------------------------------+--- ; low 0 1 2 3 4 5 6 7 8 9 A B C D E F + ;-------+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+--- DB 0CH,0CH,0CH,0AH,02H,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH ; 0 DB 04H,0BH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH ; 1 DB 0CH,08H,0CH,0CH,0CH,01H,05H,00H,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH ; 2 DB 0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH ; 3 DB 0CH,0CH,0CH,0CH,0CH,0CH,0CH,04H,0CH,0CH,0CH,0CH,0CH,0CH,0CH,0CH ; 4 ;**************************************** ;* For SCSI Parameter area * ;**************************************** PARAMETER DB 00H ; Target LUN DB 00H ; Data send vector DB 00H ; CDB Length DB 00H ; Reserve CDB DB 00H ; Command code 0 DB 00H ; Bit7-5 LUN 1 DB 00H ; 2 DB 00H ; 3 DB 00H ; 4 DB 00H ; 5 DB 00H ; 6 DB 00H ; 7 DB 00H ; 8 DB 00H ; 9 ;**************************************** ;* Work data area * ;**************************************** REMAIN_ADDR DW 0000H ; Next buffer address (offset) DW 0000H ; " (segment) REMAIN_LNG DW 0000H ; Remain length BUFFER DB 23 DUP (0CCH) ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5 91/08/00 ------- public MO_LPFLG2, MOSW2, Lockcnt, time_buf, time_to_retry MO_LPFLG2 DB 0 ; 3.5" MO disk equip flag MOSW2 DB 0 ; Lockcnt db 8 dup (0) ; Lock/Unlock cnt * 2+2 unit time_buf db 6 dup (0) ; bufer for timer bios time_to_retry dw 4 ; wait time ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5 91/01/10 ------- ; ; Data form DSKIO.ASM ; PUBLIC MYATN, MYFAT, FIRST, RETCODE, NO_NAME, MOSW PUBLIC SNGDRV1_MSG, SNGDRV2_MSG, SNGDRV_CMN, SNG_MSG1 PUBLIC MASKB, F_SW, DB_TRNS, NBYTETBL, NBYTETBL5 PUBLIC CURSEC, CURHD, CURTRK, HDNUM PUBLIC PATCH0, PATCH1, PATCH3, TrackTable PUBLIC sectorsPerTrack, mediaType PUBLIC fSetOwner, PART_NUM MYATN DW ? MYFAT DB ? FIRST DB 0 RETCODE DB 0 NO_NAME DB 'NO NAME ',00H MOSW DB 0 ; ; ; MESSAGE DATA ; SNGDRV1_MSG DB 13,10,'ドライブ　' SNGDRV1_FLD DB 'A　にディスクを挿入して下さい',0 SNGDRV2_MSG DB 13,10,'ドライブ　' SNGDRV2_FR DB 'B　に挿入しようとするディスクをドライブ　' SNGDRV2_LT DB 'A に挿入して下さい',0 SNGDRV_CMN DB 13,10,'挿入が終ったら、適当なキ―を押して下さい' SNG_MSG1 DB 0 ; MASKB DB 1,2,4,8 F_SW DB 0 DB_TRNS DW 0 ;----------------------------------------------- DOS5A 92/12/01 ------ ; ;1.44MB support NBYTETBL DB 0,3,2,2,0,0,0,0,0 ;1MB FD DENSITY 871003 ;--------------- ;NBYTETBL DB 0,3,0,2,0,0,0,0,0 ;1MB FD DENSITY 871003 ;--------------------------------------------------------------------- NBYTETBL5 DB 0,0,0,0,0,0,3,2,0 ;640KFD DENSITY 871003 ; ; The following two sets of variables are used to hold values for ; disk I/O operations CURSEC DB 0 ; current sector CURHD DB 0 ; current head CURTRK DW 0 ; current track ; ; The following are used for IOCTL function calls ; HDNUM DB 0 ; Head number ;--------------------------------------------------------- 89/08/08 -- PATCH0 DW 0 PATCH1 DW 0 PATCH3 DB 0 ;--------------------------------------------------------------------- MAX_SECTORS_CURR_SUP equ 40 ; current maximum sec/trk that ; we support ; ; TrackTable is an area for saving information passwd by the set device ; parameter function for laster use my Read/Write/Format/Verify. ; TrackTable db 160 DUP (?) ;MAX_SECTORS_CURR_SUP * size a_SectorTable sectorsPerTrack dw 15 mediaType db 0 fSetOwner db 0 PART_NUM DB 0 ; ; Data from INIT.ASM ; PUBLIC INFVT, BOOT_PART, WSINGLE, READ_BUF PUBLIC BOOT_DRIVE INFVT DB 00000000B ;VIRTUAL DRIVE MUST BE 4 ;---------------------------------------------------- 871001 --------- BOOT_PART DW 0 ;BOOT PARTITION ENTRY BOOT_DRIVE DB 0 ;BOOT DRIVE NUMBER ;--------------------------------------------------------------------- WSINGLE DB 0 READ_BUF DB 24H DUP (0) ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5 91/01/11 ------- ; ; Data from READDOS.ASM ; PUBLIC REQUEST, REQ_LEN, REQ_UNT, REQ_CMD PUBLIC REQ_STS, REQ_RFU, REQ_MDA, REQ_TRNS PUBLIC REQ_CNT, REQ_STRT, RD_UNIT, MDA_DSC PUBLIC FATSEC, DIRSEC, DATASEC, FATLEN PUBLIC FATLOC, FAT1ST, BPBPTR, DOSCNT PUBLIC DOSLOC, RD_FBIGFAT, DIRLEN, FAT1CONF PUBLIC CONFSIZE, SW_RCONF ;----------------------------------------------- DOS5 91/05/30 ------- PUBLIC REQ_STRTL, REQ_STRTH, MAXSEC ;--------------------------------------------------------------------- ; ; REQUEST PACKET ; REQUEST LABEL BYTE REQ_LEN DB ? ;LENGTH OF REQUEST REQ_UNT DB ? ;UNIT NUMBER REQ_CMD DB ? ;COMMAND CODE REQ_STS DW ? ;STATUS REQ_RFU DB 8 DUP(?) ;RESERVE REQ_MDA DB ? ;MEDIA DESCRIPTOR REQ_TRNS DD ? ;TRANSFER ADDRESS REQ_CNT DW ? ;COUNT OF BLOCK REQ_STRT DW ? ;1ST BLOCK FOR TRANSFER ;----------------------------------------------- DOS5 91/05/30 ------- REQ_VOLID DD ? REQ_STRTL DW ? ;LOW WORD OF START SECTOR REQ_STRTH DW ? ;HIGH WORD OF START SECTOR ;--------------------------------------------------------------------- ; VARIABLES ; RD_UNIT DB 0 ;UNIT NUMBER MDA_DSC DB 0 ;MEDIA DESCRIPTOR SAVE FATSEC DW 0 ;FAT SECTOR DIRSEC DW 0 ;DIRECTORY SECTOR DATASEC DW 0 ;TOP OF DATA AREA FATLEN DW 0 ;FAT LENGTH (# OF SECTOR) FATLOC DW 0 ;PARAGRAPH OF FAT-BUFFER FAT1ST DW 0 ;1ST FAT NO. BPBPTR DW 0 ;BPB POINTER DOSCNT DW 0 ;READ SECTOR COUNT DOSLOC DW 0 ;PARAGRAPH OF MSDOS SEG ;--------------------------------------------------------- 88/04/07 -- RD_FBIGFAT DB 0 ;12Bit FAT:0, 16Bit FAT:FFH ;-------------------------------------------------------------- 880520 DIRLEN DW 0 ;SECTOR SIZE OF DIRECTORY FAT1CONF DW 0 ;1ST FAT OF 'CONFIG.SYS' CONFSIZE DW 0 ;SIZE 'CONFIG.SYS' (LOW WORD) ;--------------------------------------------------------------------- SW_RCONF DB 0 ;0 :CONFIG.SYS NOT READ ;-1:CONFIG.SYS READ & CHECK LIM ;--------------------------------------------------------------------- MAXSEC DW 0 ;SECTORS WITHIN 64Kb PUBLIC ATTRF,CRTDOTF,BIOSF_3 ATTRF DW 0001H ;2BYTE ATTR FLAG CRTDOTF DW 0001H ;480DOT MODE FLAG BIOSF_3 DB 00H ;BIOS_FLG(3) 89/08/21 ;**************************************** ;* * ;* SAVE AREA & LOCAL STACK * ;* * ;**************************************** PUBLIC EXT_SAVAX,EXT_SAVSS,EXT_SAVSP,EXT_SAVDS,EXT_SAVDX,EXT_SAVBX PUBLIC EXT_STACK EXT_SAVAX DW ? ;AX SAVE EXT_SAVSS DW ? ;SS SAVE EXT_SAVSP DW ? ;SP SAVE EXT_SAVDS DW ? ;DS SAVE EXT_SAVDX DW ? ;DX SAVE 87/8/14 EXT_SAVBX DW ? ;BX SAVE 88/03/31 ; DW 192 DUP(0CCCCH) ;EXT_BIOS LOCAL STACK ;SIZE 192 WORD 91/01/20 EXT_STACK EQU $ PUBLIC STP_SAVAX,STP_SAVSS,STP_SAVSP PUBLIC STOP_STACK STP_SAVAX DW ? ;AX SAVE STP_SAVSS DW ? ;SS SAVE STP_SAVSP DW ? ;SP SAVE DW 192 DUP(0CCCCH) ;STOP KEY LOCAL STACK ;SIZE 192 LEVEL 91/01/20 STOP_STACK EQU $ ; ; Data from HDSASI.ASM ; PUBLIC save_ss, save_sp, save_ax, stack save_ss dw 0 save_sp dw 0 save_ax dw 0 dw 192 dup (0cccch) stack equ $ FREE_5 EQU 0ABCH-($-BIO2_START) DB FREE_5 DUP(0) ;--------------------------------------------------------- 88/05/18 -- ;DIC_BUG DB 1024 DUP(0) ;BUFFER FOR PAGE READ ;INDEX_BUFF DB 2048 DUP(?) ;BUFFER FOR PAGE INDEX ;--------------------------------------------------------------------- ORG 0ABCH ;----------------------------------------------- DOS5A 92/05/21 -------- ; DSK_BUF2 DB 1024 DUP(?) DSK_BUF DB 2048 DUP(?) ;2KB DISK BUFFER (DSK_BUF2+DSK_BUF) ;--------------- ;DSK_BUF_RFU DB 1024 DUP(?) ;DISK BUFFER RESERVE ; ORG 6BCH ;DSK_BUF_RFU DB 2048 DUP(?) ;DISK BUFFER RESERVE STACK_TOP LABEL WORD ;DSK_BUF2 DB 1024 DUP(?) ;2KB DISK BUFFER (DSK_BUF2+DSK_BUF) ;DSK_BUF DB 1024 DUP(?) ;1KB DISK BUFFER ;----------------------------------------------------------------------- FREE_6 EQU 16C0H-($-BIO2_START) DB FREE_6 DUP(0) ORG 16C0H FKYTBLADR DW FKYTBL ;FOR BUNSETSU ;************************************************ ;* * ;* DISK BIOS PARAMETER BLOCK * ;* * ;************************************************ PUBLIC DSK8_SNG,DSK8_DBL,DSK_AT PUBLIC DSK5_SNG8,DSK5_SNG9,DSK5_DBL8,DSK5_DBL9 PUBLIC DSK5_DBL8D,DSK5_DBL9D PUBLIC COMP_HDDSK5_1,COMP_HDDSK5_2 ;256BFD (8"1S MEDIA ONLY) DSK8_SNG DW 128 ;SECTOR LENGTH DB 4 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 68 ;DIRECTORY ENTRY DW 77*26 ;VOLUME SIZE DB 0 ;MEDIA TYPE DW 6 ;SECTOR/FAT ;1MBFD (8"2D/5"(3.5")2HD MEDIA) DSK8_DBL DW 1024 ;SECTOR LENGTH DB 1 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 192 ;DIRECTORY ENTRY DW 77*8*2 ;VOLUME SIZE DB 1 ;MEDIA TYPE DW 2 ;SECTOR/FAT ;1MBFD (IBM AT FORMAT (15SECTOR/TRACK)) DSK_AT DW 512 ;SECTOR LENGTH DB 1 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 224 ;DIRECTORY ENTRY DW 15*2*80 ;VOLUME SIZE DB 2 ;MEDIA TYPE DW 7 ;SECTOR/FAT ;DSK8_SNG4 DW 128 ;16DCH ; DB 4 ; DW 4 ; DB 2 ; DW 68 ; DW 77*26 ; DB 2 ; DW 6 DSK5_SNG8 DW 512 ;SECTOR LENGTH DB 1 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 64 ;DIRECTORY ENTRY DW 40*8 ;VOLUME SIZE DB -2 ;MEDIA TYPE DW 1 ;SECTOR/FAT DSK5_SNG9 DW 512 ;SECTOR LENGTH DB 1 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 64 ;DIRECTORY ENTRY DW 40*9 ;VOLUME SIZE DB -4 ;MEDIA TYPE DW 2 ;SECTOR/FAT DSK5_DBL8 DW 512 ;SECTOR LENGTH DB 2 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 112 ;DIRECTORY ENTRY DW 40*8*2 ;VOLUME SIZE DB -1 ;MEDIA TYPE DW 1 ;SECTOR/FAT DSK5_DBL9 DW 512 ;SECTOR LENGTH DB 2 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 112 ;DIRECTORY ENTRY DW 40*9*2 ;VOLUME SIZE DB -3 ;MEDIA TYPE DW 2 ;SECTOR/FAT DSK5_DBL8D DW 512 ;SECTOR LENGTH DB 2 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 112 ;DIRECTORY ENTRY DW 80*8*2 ;VOLUME SIZE DB -5 ;MEDIA TYPE DW 2 ;SECTOR/FAT DSK5_DBL9D DW 512 ;SECTOR LENGTH DB 2 ;SECTOR/ALLOC UNIT DW 1 ;RESERVED SECTOR DB 2 ;FATS DW 112 ;DIRECTCORY ENTRY DW 80*9*2 ;VOLUME SIZE DB -7 ;MEDIA TYPE DW 3 ;SECTOR/FAT COMP_HDDSK5_1 DB 13 DUP(0) ;1737H COMP_HDDSK5_2 DB 13 DUP(0) ;1744H FREE_7 EQU 1760H-($-BIO2_START) DB FREE_7 DUP(0) ORG 1760H BIDTBL5 DB 70H,71H,72H,73H BIDTBL DB 90H,91H,92H,93H PREDNST DB 1,1,1,1 PREDENS5 DB 4,4,4,4 PUA DB 0 PWINF DB 0 FSW5 DB 0 FSW8 DB 0 AIRST DB 0 OPMOD DB 01FH OPMOD5 DB 07FH SAVEAL DB 0 ;************************************************ ;* * ;* B4670 SOFT USE AREA * ;* * ;************************************************ PUBLIC VT_OFFSET,VT_LAST PUBLIC VBPB,VCPV,VBPS,VTPC,VSPT PUBLIC X2_SW_VT FREE_8 EQU 177EH-($-BIO2_START) DB FREE_8 DUP(0) ORG 177EH B4670_TABLE LABEL FAR DW VSYS_FLAG ;POINTER TO [VSYS_FLAG] ORG 1780H VT_OFFSET DW 0,0 ;1780H DW 0,0 DW 0,0 DW 0,0 ;OFFSET OF VIRTUAL DISK START ;85/05/19 VT_LAST DW 0,0 ;1790H DW 0,0 DW 0,0 DW 0,0 ;LIMIT ADDR OF VIRTUAL DISK ;85/05/19 ;17A0H VBPB DB 13 DUP (0) ;VIRTUAL BPB ADDR OF #1 DB 13 DUP (0) ; " #2 DB 13 DUP (0) ; " #3 DB 13 DUP (0) ; " #4 VCPV DW 0,0,0,0 ;85/05/15 VBPS DW 0,0,0,0 ;85/05/15 VTPC DB 0,0,0,0 ;85/05/15 VSPT DB 0,0,0,0 ;85/05/15 X2_SW_VT DB 0 ;?? DB 0 ;FREE ;************************************************ ;* * ; AUX I/O WORKING FIELD * ;* * ;************************************************ PUBLIC AUX_HEADER,AUX1_HEADER,AUX2_HEADER ;------------------------------------------------------ 88/03/31 ----- PUBLIC CH1MSW1,CH1MSW2,CH2MSW1,CH2MSW2,CH3MSW1,CH3MSW2 PUBLIC AUX3_HEADER ORG 17EEH CH1MSW1 DB 0 ;INIT INFO. FOR RS232C-1 CH1MSW2 DB 0 CH2MSW1 DB 0 ;INIT INFO. FOR RS232C-2 CH2MSW2 DB 0 CH3MSW1 DB 0 ;INIT INFO. FOR RS232C-3 CH3MSW2 DB 0 AUX3_HEADER DW 0,0 ;AUX3 DRIVER ADDRESS ;--------------------------------------------------------------------- ORG 17F8H ;870923 AUXILIARY_TABLE LABEL FAR AUX1_HEADER DW 0,0 ;870923 AUX2 DRIVER ADDRESS AUX2_HEADER DW 0,0 ;870923 AUX3 DRIVER ADDRESS ORG 1800H AUX_HEADER DW 0,0 ;AUX DEVICE DRIVER ADDRESS BIO2_AUX_READ: JMP AUX_READ ;READ COMMAND BIO2_AUX_RDND: JMP AUX_RDND ;NON DESTRUCTIVE READ COMMAND BIO2_AUX_FLSH: JMP AUX_FLSH ;FLUSH COMMAND BIO2_AUX_WRIT: JMP AUX_WRIT ;WRITE COMMAND BIO2_AUX_WRST: JMP AUX_WRST ;WRITE STATUS COMMAND ;--------------------------------------------------------- 90/03/20 -- DB 0 ORG 1814H PUBLIC LINETBL ;************************************************ ;* LINE CONTROL TABLE * ;************************************************ EVEN LINETBL DW 0 ;LINE 0 DW 0A0H ; 1 DW 140H ; 2 DW 1E0H ; 3 DW 280H ; 4 DW 320H ; 5 DW 3C0H ; 6 DW 460H ; 7 DW 500H ; 8 DW 5A0H ; 9 DW 640H ; 10 DW 6E0H ; 11 DW 780H ; 12 DW 820H ; 13 DW 8C0H ; 14 DW 960H ; 15 DW 0A00H ; 16 DW 0AA0H ; 17 DW 0B40H ; 18 DW 0BE0H ; 19 DW 0C80H ; 20 DW 0D20H ; 21 DW 0DC0H ; 22 DW 0E60H ; 23 DW 0F00H ; 24 DW 0FA0H ; 25 DW 1040H ; 26 DW 10E0H ; 27 DW 1180H ; 28 DW 1220H ; 29 DW 12C0H ; 30 DW 0 ;RFU PUBLIC ESCATTRTBL,SGRFLG,ATTRTBL2 ;************************************************ ;* ATTRIBUTE TABLE FOR (ESCVT_SGR) * ;************************************************ ESCATTRTBL EQU $ DB 0 ;0 DEFAULT DB 0E0H ;1 HIGH INTENSITY (WHITE) DB 10H ;2 VL DB 0 ;3 DEFAULT (RFU) DB 08H ;4 UL DB 02H ;5 BLINK DB 0 ;6 DEFAULT (RFU) DB 04H ;7 REVERSE DB 0 ;8 SECRET DB 0,0,0,0,0,0,0 ;9-15 RFU DB 0 ;16 SECRET DB 40H ;17 COLOR : RED DB 20H ;18 : BLUE DB 60H ;19 : MASENDA DB 80H ;20 : GREEN(DEFAULT) DB 0C0H ;21 : YELLOW DB 0A0H ;22 : LIGHT BLUE DB 0E0H ;23 : WHITE DB 0,0,0,0,0,0 ;24-29 RFU DB 0 ;30 COLOR : BLACK DB 40H ;31 : RED DB 80H ;32 : GREEN DB 0C0H ;33 : YELLOW DB 20H ;34 : BLUE DB 60H ;35 : MAGENDA DB 0A0H ;36 : CYAN DB 0E0H ;37 : WHITE DB 0,0 ;38,39 RFU DB 04H ;40 REVERSE BLACK DB 44H ;41 RED DB 84H ;42 YELLOW DB 0C4H ;43 GREEN DB 24H ;44 BLUE DB 64H ;45 MAGENDA DB 0A4H ;46 CYAN DB 0E4H ;47 WHITE ; SGRFLG DB 0 ;INDICATE FOR BLACK COLOR ;----------------------------------------------------- 89/08/16 --- ATTRTBL2 EQU $ DB 40 DUP (0) DB 0H ; 40 BACK BLACK DB 40H ; 41 RED DB 20H ; 42 GREEN DB 60H ; 43 YELLOW DB 10H ; 44 BLUE DB 50H ; 45 MAGENDA DB 30H ; 46 CYAN DB 70H ; 47 WHITE ;-------------------------------------------------------------------- PUBLIC WAKU_TABLE,JPN_SCRD1H,JPN_SCRD1N,ROME_1STSAV ;************************************************ ;* * ;* VIDEO CONTROL SUBROUTINES * ;* * ;************************************************ ; SHIFT STATE (GUIDE LINE) DATA WAKU_TABLE DW 0020H,0020H DW 4C01H,4C81H,3109H,3609H,4A1FH,4A9FH,4D01H,4D81H ; DATAT FOR SCROLL_COMMAND (GDC) JPN_SCRD1H DW 0000H,0018H,1F00H,0001H ;SAD1=0 SL=25 DW 0000H,001EH,1F00H,0001H ;SAD1=0 SL=31 DW 00A0H,0018H,1F00H,0001H ;SAD1=50H SL=25 DW 00A0H,001EH,1F00H,0001H ;SAD1=50H SL=31 DW 0000H,0018H,0F00H,0001H ;ERASE G-LINE SL=25 DW 0000H,001EH,12C0H,0001H ;ERASE G-LINE SL=31 JPN_SCRD1N DW 0000H,0013H,1F00H,0001H ;SAD1=0 SL=25 DW 0000H,0018H,1F00H,0001H ;SAD1=0 SL=31 DW 00A0H,0013H,1F00H,0001H ;SAD1=50H SL=25 DW 00A0H,0018H,1F00H,0001H ;SAD1=50H SL=31 DW 0000H,0019H,0F00H,0001H ;ERASE G-LINE SL=25 DW 0000H,0019H,12C0H,0001H ;ERASE G-LINE SL=31 ROME_1STSAV DB 0 ;---------------------------------------------------------------------- ;************************************************ ;* * ;* TABLE WHICH DEFINE BPB'S(26 ENTRY) * ;* * ;************************************************ INIT_TBL DW 0 ; A DW 0 ; B DW 0 ; C DW 0 ; D DW 0 ; E DW 0 ; F DW 0 ; G DW 0 ; H DW 0 ; I DW 0 ; J DW 0 ; K DW 0 ; L DW 0 ; M DW 0 ; N DW 0 ; O DW 0 ; P DW 0 ; Q DW 0 ; R DW 0 ; S DW 0 ; T DW 0 ; U DW 0 ; V DW 0 ; W DW 0 ; X DW 0 ; Y DW 0 ; Z IF BRANCH ;----------------------------------------------- 90/03/16 -- ; ; VIRTUAL DISK BPB ; VT_BPB DW 1024 ;BYTES / SECTOR DB 8 ;# OF ALLOC UNITS DW 1 ;RESERVED SECTOR DB 2 ;# OF FATS DW 1504 ;# OF DIRECTORIES DW 990*20 ;TOTAL SECTORS DB 23H ;MEDIA DISCRIPTOR DW 4 ;SECTORS / FAT ENDIF ;---------------------------------------------------------------- ; ; CONSTANT DATA ; ;--------------------------------------------------------- 88/03/23 -- IF BRANCH ;----------------------------------------------- 90/03/16 -- PUBLIC VT_BPB ENDIF ;--------------------------------------------------------------- PUBLIC INIT_TBL PUBLIC CHR_VOL1,CHR_X2,HD_LBL,X2_SW_00,X2_SW_01 PUBLIC X2_SW_02,X2_SW_03 PUBLIC DD_FLG,SV_SELECT,SV_RDRV,SVHD1,SVHD2 ;------------------------------------------------------ 870827 ------------- PUBLIC EXFNC_FLG PUBLIC SVHD3,SVHD4 PUBLIC SVHDS1,SVHDS2 PUBLIC SVHDS3,SVHDS4 PUBLIC SVHDS5,SVHDS6 PUBLIC SVHDS7,SVHDS8 ;--------------------------------------------------------------------- CHR_VOL1 DB 'VOL1' CHR_X2 DB 55H,0AAH HD_LBL DB 'MS-DOS INF AREA' X2_SW_00 DB 0 X2_SW_01 DB 0 X2_SW_02 DB 0 X2_SW_03 DB 0 DD_FLG DB 0 SV_SELECT DB 0 ; 84/11/12 SV_RDRV DB 0 ; 84/11/12 EXFNC_FLG DB 0 ; 88/02/25 SVHD1 DW 0 ; 84/11/19 SVHD2 DW 0 ; 84/11/19 SVHD3 DW 0 ; 88/03/23 SVHD4 DW 0 ; 88/03/23 SVHDS1 DW 0 ; 88/03/23 SVHDS2 DW 0 ; 88/03/23 SVHDS3 DW 0 ; 88/03/23 SVHDS4 DW 0 ; 88/03/23 SVHDS5 DW 0 ; 88/06/25 SVHDS6 DW 0 ; 88/06/25 SVHDS7 DW 0 ; 88/06/25 SVHDS8 DW 0 ; 88/06/25 ;------------------------------------------------DOS5 91/01/20----------- PUBLIC FAT12, FAT16 FAT12 DB "FAT12 ",0 FAT16 DB "FAT16 ",0 ;------------------------------------------------------------------------ FREE_9 EQU 19FBH-($-BIO2_START) DB FREE_9 DUP(0) ORG 19FBH ;85/09/24 VSYS_FLAG DB 0 ;85/09/24 B4670_UCW_ADR DD 0 ;85/09/24 ;************************************************ ;* * ;* KANJI DRIVER WORKING AREA * ;* * ;************************************************ PUBLIC KNJ_HEADER ORG 1A00H KNJ_HEADER DW 0,0 ;WITHOUT KEY-CODE ENTRY DW 0,0 ;WITH KEY-CODE ENTRY DW 0,0 ;KB_KANJ1 DW 0,0 ;TRANSFER DW 0,0 ;KBCODE_NIP DW 0,0 ;KANJI_HOME DW 0,0 ;KANJI_MOD_TABLE DW 0,0 ;RESERVED DW 0,0 ;RESERVED DW 0,0 ;RESERVED ORG 1A28H JPN_BELL: ;BELL ENTRY CALL BELRTN_DATARTN JBELL PROC FAR RET JBELL ENDP JPN_MCONV: ;CODE CONVERT ENTRY CALL D_MCONV_DATARTN JMCNV PROC FAR RET JMCNV ENDP JPN_HEX: ;HEX INPUT ENTRY CALL HEXCHK_DATARTN JHEX PROC FAR RET JHEX ENDP KB_KANJI_ENT: ;JAPAN MODE ENTRY DB 09AH DD KNJENTP KNJENTP PROC FAR RET KNJENTP ENDP KB_KANJI_EXT: ;JAPAN MODE EXIT DB 09AH DD KNJEXTP KNJEXTP PROC FAR RET KNJEXTP ENDP FREE_10 EQU 1A50H-($-BIO2_START) DB FREE_10 DUP(0) ORG 1A50H ;--------------------------------------------------------- 88/05/18 -- ;STUDY_BUFF DB 1024 DUP(?) ;GAKUSHU PAGE BUFFER ;--------------------------------------------------------------------- ;************************************************ ;* * ;* SCSI HD INFOMATION * ;* * ;************************************************ PUBLIC HDS_OFFSET,HDS1_OFFSET PUBLIC HDS2_OFFSET,HDS3_OFFSET PUBLIC HDS4_OFFSET,HDS5_OFFSET PUBLIC HDS6_OFFSET,HDS7_OFFSET PUBLIC HDS_LAST,HDS1_LAST PUBLIC HDS2_LAST,HDS3_LAST PUBLIC HDS4_LAST,HDS5_LAST PUBLIC HDS6_LAST,HDS7_LAST PUBLIC HDS_NUM,HDS1_NUM PUBLIC HDS2_NUM,HDS3_NUM PUBLIC HDS4_NUM,HDS5_NUM PUBLIC HDS6_NUM,HDS7_NUM PUBLIC HDDSKS_1,HDDSKS_2 PUBLIC HDDSKS_3,HDDSKS_4 PUBLIC HDDSKS_5,HDDSKS_6 PUBLIC HDDSKS_7,HDDSKS_8 PUBLIC CPVS,CPVS1,BPSS,BPSS1,TPCS,TPCS1,SPTS,SPTS1 PUBLIC CPVS2,CPVS3,BPSS2,BPSS3,TPCS2,TPCS3,SPTS2,SPTS3 PUBLIC CPVS4,CPVS5,BPSS4,BPSS5,TPCS4,TPCS5,SPTS4,SPTS5 PUBLIC CPVS6,CPVS7,BPSS6,BPSS7,TPCS6,TPCS7,SPTS6,SPTS7 HDS_OFFSET DW 0,0,0,0 ;SCSI #0 DW 0,0,0,0 HDS1_OFFSET DW 0,0,0,0 ;SCSI #1 DW 0,0,0,0 HDS2_OFFSET DW 0,0,0,0 ;SCSI #2 DW 0,0,0,0 HDS3_OFFSET DW 0,0,0,0 ;SCSI #3 DW 0,0,0,0 HDS4_OFFSET DW 0,0,0,0 ;SCSI #4 DW 0,0,0,0 HDS5_OFFSET DW 0,0,0,0 ;SCSI #5 DW 0,0,0,0 HDS6_OFFSET DW 0,0,0,0 ;SCSI #6 DW 0,0,0,0 HDS7_OFFSET DW 0,0,0,0 ;SCSI #7 DW 0,0,0,0 ;LAST SECTOR OF EACH DOS PART HDS_LAST DW 0,0,0,0 ;SCSI #0 DW 0,0,0,0 HDS1_LAST DW 0,0,0,0 ;SCSI #1 DW 0,0,0,0 HDS2_LAST DW 0,0,0,0 ;SCSI #2 DW 0,0,0,0 HDS3_LAST DW 0,0,0,0 ;SCSI #3 DW 0,0,0,0 HDS4_LAST DW 0,0,0,0 ;SCSI #4 DW 0,0,0,0 HDS5_LAST DW 0,0,0,0 ;SCSI #5 DW 0,0,0,0 HDS6_LAST DW 0,0,0,0 ;SCSI #6 DW 0,0,0,0 HDS7_LAST DW 0,0,0,0 ;SCSI #7 DW 0,0,0,0 HDS_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #0 HDS1_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #1 HDS2_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #2 HDS3_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #3 HDS4_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #4 HDS5_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #5 HDS6_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #6 HDS7_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SCSI #7 HDDSKS_1 DB HDDSK_SIZE DUP (0) ;SCSI #0 HDDSKS_2 DB HDDSK_SIZE DUP (0) ;SCSI #1 HDDSKS_3 DB HDDSK_SIZE DUP (0) ;SCSI #2 HDDSKS_4 DB HDDSK_SIZE DUP (0) ;SCSI #3 HDDSKS_5 DB HDDSK_SIZE DUP (0) ;SCSI #4 HDDSKS_6 DB HDDSK_SIZE DUP (0) ;SCSI #5 HDDSKS_7 DB HDDSK_SIZE DUP (0) ;SCSI #6 HDDSKS_8 DB HDDSK_SIZE DUP (0) ;SCSI #7 CPVS DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #0 CPVS1 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #1 CPVS2 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #2 CPVS3 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #3 CPVS4 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #4 CPVS5 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #5 CPVS6 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #6 CPVS7 DW 0 ;CYLINDER PER VOLUME IN DEV SCSI #7 BPSS DW 0 ;BYTE PER SECTOR IN DEV SCSI #0 BPSS1 DW 0 ;BYTE PER SECTOR IN DEV SCSI #1 BPSS2 DW 0 ;BYTE PER SECTOR IN DEV SCSI #2 BPSS3 DW 0 ;BYTE PER SECTOR IN DEV SCSI #3 BPSS4 DW 0 ;BYTE PER SECTOR IN DEV SCSI #4 BPSS5 DW 0 ;BYTE PER SECTOR IN DEV SCSI #5 BPSS6 DW 0 ;BYTE PER SECTOR IN DEV SCSI #6 BPSS7 DW 0 ;BYTE PER SECTOR IN DEV SCSI #7 TPCS DB 0 ;TRACK PER CYLINDER IN DEV SCSI #0 TPCS1 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #1 TPCS2 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #2 TPCS3 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #3 TPCS4 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #4 TPCS5 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #5 TPCS6 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #6 TPCS7 DB 0 ;TRACK PER CYLINDER IN DEV SCSI #7 SPTS DB 0 ;SECTOR PER TRACK IN DEV SCSI #0 SPTS1 DB 0 ;SECTOR PER TRACK IN DEV SCSI #1 SPTS2 DB 0 ;SECTOR PER TRACK IN DEV SCSI #2 SPTS3 DB 0 ;SECTOR PER TRACK IN DEV SCSI #3 SPTS4 DB 0 ;SECTOR PER TRACK IN DEV SCSI #4 SPTS5 DB 0 ;SECTOR PER TRACK IN DEV SCSI #5 SPTS6 DB 0 ;SECTOR PER TRACK IN DEV SCSI #6 SPTS7 DB 0 ;SECTOR PER TRACK IN DEV SCSI #7 PUBLIC INFSH PUBLIC NSHD PUBLIC DA PUBLIC HD_CNT PUBLIC SCSI_CNT PUBLIC SCSI_EQUIP PUBLIC MO_COUNT PUBLIC SCSI55_FLG INFSH DB 0 ;EQUIP INF OF SCSI NSHD DB 0 ;SCSI HD UNIT DA DB 0 HD_CNT DB 0 SCSI_CNT DB 0 FBIGFAT DB 0,0,0,0,0,0 FBIGFATS DB 0,0,0,0,0,0,0,0 SCSI_EQUIP DB 8 DUP(0FFH) ; MO DISK EQUIP DATA AREA (SET 84H) DB 00H MO_COUNT DB 00H ; デバイス接続台数 (max 2 device) SCSI55_FLG DB 01H ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5 90/12/14 ------- PUBLIC START_SEC_H,BLOCK_TRNS_H PUBLIC OLD_AX,OLD_DX PUBLIC BPBCOPY PUBLIC SVPTR3 START_SEC_H DW 0 ;HIGH WORD OF STARTIN' SECTOR BLOCK_TRNS_H DW 0 ;HIGH WORD OF STARTIN' SEC (MO) OLD_AX DW 0 ;WORK AREA FOR 32 BIT CALCULATION OLD_DX DW 0 ;WORK AREA FOR 32 BIT CALCULATION BPBCOPY DB 25 DUP (0) ;BPB IS COPIED HERE FROM HDDSKx_x ;BUILD BPB RETURNS ADDRESS HERE SVPTR3 DW 0 ;POINTER SAVE AREA FOR MEDIA IDS ;--------------------------------------------------------------------- FREE_11 EQU 1E50H-($-BIO2_START) DB FREE_11 DUP(0) ORG 1E50H KDRV_FLG DB 0 ;NIPPONGO DRIVER FLAG ;0:NONE ;1:NECDIC/NECREN/NECTIK ;2:KNJDIC DB 00001010B ;NO DELETE DB 00001010B ;NO DELETE SNRST1 DB 02H,02H,02H,02H ;85-04-23 PR_RATIO DB 00000000B ;PRINTER OUTPUT MODE ; I II ; I I+-------- RATIO OF ANK/KANJI ; I I 0:(2:1) /1:(1.5:1) ; I +--------- KANJI-IN CODE ; I 0:(ESC K) /1:(ESC T) ; I ; +--------------- ^P CONTROL FLAG ; 0:(ECHO) /1:(NOT) FREE_12 EQU 1E60H-($-BIO2_START) DB FREE_12 DUP(0) ORG 1E60H NEC_WORK0 LABEL BYTE ;--------------------------------------------------------- 88/05/18 -- ;DIC_BUFF01 DB 1024 DUP(?) ;NECDIC.DRV WORKING ;DIC_BUFF02 DB 1024 DUP(?) ; ;--------------------------------------------------------------------- Public Start_BDS Start_BDS LABEL DWORD dw BDS1 ;Start of BDS linked list. dw DATAGRP BDS1 DW BDS2 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE1: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT1 DW 0 ;Open Ref. Count ;;;;;VOLID1 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS1 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB1 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK1 DB -1 ;Last track accessed on this drive TIM_LO1 DW -1 ;Keep these two contiguous (?) TIM_HI1 DW -1 ;------------------------------------------------------------------------------ VOLID1 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS2 DW BDS3 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE2: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT2 DW 0 ;Open Ref. Count ;;;;;VOLID2 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS2 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB2 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK2 DB -1 ;Last track accessed on this drive TIM_LO2 DW -1 ;Keep these two contiguous (?) TIM_HI2 DW -1 ;------------------------------------------------------------------------------ VOLID2 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS3 DW BDS4 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE3: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT3 DW 0 ;Open Ref. Count ;;;;;VOLID3 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS3 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB3 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK3 DB -1 ;Last track accessed on this drive TIM_LO3 DW -1 ;Keep these two contiguous (?) TIM_HI3 DW -1 ;------------------------------------------------------------------------------ VOLID3 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS4 DW BDS5 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE4: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT4 DW 0 ;Open Ref. Count ;;;;;VOLID4 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS4 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB4 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK4 DB -1 ;Last track accessed on this drive TIM_LO4 DW -1 ;Keep these two contiguous (?) TIM_HI4 DW -1 ;------------------------------------------------------------------------------ VOLID4 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS5 DW BDS6 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE5: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT5 DW 0 ;Open Ref. Count ;;;;;VOLID5 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS5 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB5 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK5 DB -1 ;Last track accessed on this drive TIM_LO5 DW -1 ;Keep these two contiguous (?) TIM_HI5 DW -1 ;------------------------------------------------------------------------------ VOLID5 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS6 DW BDS7 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE6: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT6 DW 0 ;Open Ref. Count ;;;;;VOLID6 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS6 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB6 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK6 DB -1 ;Last track accessed on this drive TIM_LO6 DW -1 ;Keep these two contiguous (?) TIM_HI6 DW -1 ;------------------------------------------------------------------------------ VOLID6 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS7 DW BDS8 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE7: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT7 DW 0 ;Open Ref. Count ;;;;;VOLID7 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS7 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB7 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK7 DB -1 ;Last track accessed on this drive TIM_LO7 DW -1 ;Keep these two contiguous (?) TIM_HI7 DW -1 ;------------------------------------------------------------------------------ VOLID7 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS8 DW BDS9 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE8: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT8 DW 0 ;Open Ref. Count ;;;;;VOLID8 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS8 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB8 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK8 DB -1 ;Last track accessed on this drive TIM_LO8 DW -1 ;Keep these two contiguous (?) TIM_HI8 DW -1 ;------------------------------------------------------------------------------ VOLID8 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS9 DW BDS10 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE9: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT9 DW 0 ;Open Ref. Count ;;;;;VOLID9 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS9 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB9 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK9 DB -1 ;Last track accessed on this drive TIM_LO9 DW -1 ;Keep these two contiguous (?) TIM_HI9 DW -1 ;------------------------------------------------------------------------------ VOLID9 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS10 DW BDS11 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE10: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT10 DW 0 ;Open Ref. Count ;;;;;VOLID10 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS10 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB10 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK10 DB -1 ;Last track accessed on this drive TIM_LO10 DW -1 ;Keep these two contiguous (?) TIM_HI10 DW -1 ;------------------------------------------------------------------------------ VOLID10 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS11 DW BDS12 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE11: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT11 DW 0 ;Open Ref. Count ;;;;;VOLID11 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS11 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB11 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK11 DB -1 ;Last track accessed on this drive TIM_LO11 DW -1 ;Keep these two contiguous (?) TIM_HI11 DW -1 ;------------------------------------------------------------------------------ VOLID11 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS12 DW BDS13 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE12: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT12 DW 0 ;Open Ref. Count ;;;;;VOLID12 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS12 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB12 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK12 DB -1 ;Last track accessed on this drive TIM_LO12 DW -1 ;Keep these two contiguous (?) TIM_HI12 DW -1 ;------------------------------------------------------------------------------ VOLID12 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS13 DW BDS14 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE13: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT13 DW 0 ;Open Ref. Count ;;;;;VOLID13 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS13 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB13 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK13 DB -1 ;Last track accessed on this drive TIM_LO13 DW -1 ;Keep these two contiguous (?) TIM_HI13 DW -1 ;------------------------------------------------------------------------------ VOLID13 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS14 DW BDS15 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE14: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT14 DW 0 ;Open Ref. Count ;;;;;VOLID14 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS14 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB14 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK14 DB -1 ;Last track accessed on this drive TIM_LO14 DW -1 ;Keep these two contiguous (?) TIM_HI14 DW -1 ;------------------------------------------------------------------------------ VOLID14 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS15 DW BDS16 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE15: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT15 DW 0 ;Open Ref. Count ;;;;;VOLID15 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS15 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB15 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK15 DB -1 ;Last track accessed on this drive TIM_LO15 DW -1 ;Keep these two contiguous (?) TIM_HI15 DW -1 ;------------------------------------------------------------------------------ VOLID15 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS16 DW BDS17 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE16: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT16 DW 0 ;Open Ref. Count ;;;;;VOLID16 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS16 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB16 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK16 DB -1 ;Last track accessed on this drive TIM_LO16 DW -1 ;Keep these two contiguous (?) TIM_HI16 DW -1 ;------------------------------------------------------------------------------ VOLID16 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS17 DW BDS18 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE17: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT17 DW 0 ;Open Ref. Count ;;;;;VOLID17 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS17 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB17 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK17 DB -1 ;Last track accessed on this drive TIM_LO17 DW -1 ;Keep these two contiguous (?) TIM_HI17 DW -1 ;------------------------------------------------------------------------------ VOLID17 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS18 DW BDS19 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE18: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT18 DW 0 ;Open Ref. Count ;;;;;VOLID18 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS18 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB18 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK18 DB -1 ;Last track accessed on this drive TIM_LO18 DW -1 ;Keep these two contiguous (?) TIM_HI18 DW -1 ;------------------------------------------------------------------------------ VOLID18 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS19 DW BDS20 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE19: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT19 DW 0 ;Open Ref. Count ;;;;;VOLID19 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS19 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB19 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK19 DB -1 ;Last track accessed on this drive TIM_LO19 DW -1 ;Keep these two contiguous (?) TIM_HI19 DW -1 ;------------------------------------------------------------------------------ VOLID19 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ Public bds20 BDS20 DW BDS21 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE20: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT20 DW 0 ;Open Ref. Count ;;;;;VOLID20 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS20 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB20 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK20 DB -1 ;Last track accessed on this drive TIM_LO20 DW -1 ;Keep these two contiguous (?) TIM_HI20 DW -1 ;------------------------------------------------------------------------------ VOLID20 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ FREE_16 EQU 2660H-($-BIO2_START) DB FREE_16 DUP(0) ORG 2660H NETRFU DB 0 ;10-07-85 ;--------------------------------------------------------- 88/05/19 -- ;************************************************ ;* * ;* VOLUME NAME TABLE * ;* * ;************************************************ ; ; EVEN ;VOLTABLE DB 'NO NAME ',0 ;0 ; DB 'NO NAME ',0 ;1 ; DB 'NO NAME ',0 ;2 ; DB 'NO NAME ',0 ;3 ; DB 'NO NAME ',0 ;4 ; DB 'NO NAME ',0 ;5 ; DB 'NO NAME ',0 ;6 ; DB 'NO NAME ',0 ;7 ; DB 'NO NAME ',0 ;8 ; DB 'NO NAME ',0 ;9 ; DB 'NO NAME ',0 ;10 ; DB 'NO NAME ',0 ;11 ; DB 'NO NAME ',0 ;12 ; DB 'NO NAME ',0 ;13 ; DB 'NO NAME ',0 ;14 ; DB 'NO NAME ',0 ;15 ; DB 'NO NAME ',0 ;16 ; DB 'NO NAME ',0 ;17 ; DB 'NO NAME ',0 ;18 ; DB 'NO NAME ',0 ;19 ; DB 'NO NAME ',0 ;20 ; DB 'NO NAME ',0 ;21 ; DB 'NO NAME ',0 ;22 ; DB 'NO NAME ',0 ;23 ; DB 'NO NAME ',0 ;24 ; DB 'NO NAME ',0 ;25 ; DB 'NO NAME ',0 ;26 ;--------------------------------------------------------------------- INP_DEV_TBL DW KBIN_DATARTN ;KEYBOARD INPUT DW S0IN_DATARTN ;SERIAL-0 INPUT DW S1IN_DATARTN ;SERIAL-1 INPUT DW S2IN_DATARTN ;SERIAL-2 INPUT INP_STS_TBL DW KBSTAT_DATARTN ;KEYBOARD STATUS DW S0STAT_DATARTN ;SERIAL-0 STATUS DW S1STAT_DATARTN ;SERIAL-1 STATUS DW S2STAT_DATARTN ;SERIAL-2 STATUS INP_FLS_TBL DW KBFLUSH_DATARTN ;KEYBOARD FLUSH DW S0FLUSH_DATARTN ;SERIAL-0 FLUSH DW S1FLUSH_DATARTN ;SERIAL-1 FLUSH DW S2FLUSH_DATARTN ;SERIAL-2 FLUSH OUT_DEV_TBL DW CRTOUT_DATARTN ;CRT OUTPUT DW PRNOUT_DATARTN ;PRINTER OUTPUT DW S0OUT_DATARTN ;SERIAL-0 OUTPUT DW DUMMOUT ;DUMMY DEVICE OUTPUT DW S1OUT_DATARTN ;SERIAL-1 OUTPUT DW S2OUT_DATARTN ;SERIAL-2 OUTPUT OUT_STS_TBL DW CRTRDY_DATARTN ;CRT STATUS DW PRNRDY_DATARTN ;PRINTER STATUS DW S0RDY_DATARTN ;SERIAL-0 STATUS DW DUMMRDY ;DUMMY DEVICE STATUS DW S1RDY_DATARTN ;SERIAL-1 STATUS DW S2RDY_DATARTN ;SERIAL-2 STATUS OUT_NXT_PTR DW 0 OUT_RTN_CNT DB 0 ;DEVICE COUNTER STS_SAVE DW 0 ;STATUS SAVE AREA S_R8 DB 0 ;SAVE REGISTER8 ;----------------------------------------------- DOS5 91/09/09 ------- ;SR; WIN386 support ; WIN386 instance data structure ; ; ; Here is a Win386 startup info structure which we set up and to which ; we return a pointer when Win386 initializes. ; Win386_SI label byte ; Startup Info for Win386 SI_Version db 3, 0 ; for Win386 3.0 SI_Next dd ? ; pointer to next info structure dd 0 ; a field we don't need dd 0 ; another field we don't need SI_Instance dw Instance_Table, Bios_Data ; far pointer to instance table ; ; This table gives Win386 the instance data in the BIOS data areas. ; Instance_Table label dword dw 00H,DATAGRP ; IO.SYS work dw 0142h ; ...142h bytes dw B4670_TABLE,DATAGRP ; B4670_TABLE, AUXIRIARY_TBL dw 95h ; ...95H bytes dw KNJ_HEADER,DATAGRP ; FEP work... dw 50h ; ... 50h byte dw OUT_NXT_PTR,DATAGRP ; CON work... dw 04h ; ... 4 byte dw ESCBUF,DATAGRP ; ESCBUFFER, FKYBUFFER2 dw 214h ; ... 214h byte dw PRINTER_TABLE,DATAGRP ; PRN work... dw 0Bh ; ... 0Bh byte dw FKYTBL,DATAGRP ; FUNKTION KEY TBL... ; dw 54ch ; ... 54ch byte DOS5A 92/07/21 ;; dw 348h ; ... 348h byte DOS5A 92/07/21 dw DSK_DEV,DATAGRP ; BLOCK DEVICE HEADDFR... dw 04h ; ... 4 byte ;----------------------------------------------- DOS5 91/09/09 ------- ; dw EXT_SAVAX,DATAGRP dw 18ch ;----------------------------------------------- DOS5A 92/04/28 ------ ; dw KDRV_FLG,DATAGRP ; NIPPONGO DRIVER FLAG dw 1 dd 0 ; terminate the instance table dw 3*3 dup (0) ; patch area for instance table ;--------------- ; dd 0 ; terminate the instance table ; dw 4*3 dup (0) ; patch area for instance table ;--------------- ; dd 0 ; terminate the instance table ; dw 5*3 dup (0) ; patch area for instance table ;---------------------------------------------------------------------- ;SR; ; Flag to indicate whether Win386 is running or not ; public IsWin386 IsWin386 db 0 instance struc instancetype db 0 reserve db 0 instanceoff dw ? instanceseg dw ? instancelength dw ? instance ends fix struc fix_datalength dw ? fix_dataptr_l dw ? fix_dataptr_h dw ? fix ends vector struc vector_num dw ? vector ends system struc system_addr dw ? system_datalength dw ? system ends memsw struc memsw_addr dw ? memsw_datalength dw ? memsw ends extrn OLD_1A_OFFSET:word, OLD_1B_OFFSET:word, SAVE_INT1B:word Instance_tbl label word prev_data_off dw ? prev_data_seg dw ? version db 3,0 Ins_VRAMSEG instance <0,0,offset VRAMSEG,DATAGRP,2> fix <2,offset Normal_VRAMSEG,DATAGRP> Ins_SYS_500 instance <2,0,offset SYS_500,DATAGRP,2> system <100h,1> Ins_SYS_501 system <101h,1> Ins_INT1E instance <1,0,offset INT1E_OFST,DATAGRP,4> vector <1eh> Ins_MEM_SW3 instance <3,0,offset MEM_SW3,DATAGRP,1> memsw <2,1> Ins_REVISION instance <0,0,offset REVISION,DATAGRP,1> fix <1,offset Normal_REVISION,DATAGRP> Ins_MEM_SW5 instance <3,0,offset MEM_SW5,DATAGRP,3> memsw <4,3> Ins_LINMOD instance <0,0,offset LINMOD,DATAGRP,1> fix <1,offset Normal_LINMOD,DATAGRP> Ins_OLD_1A instance <1,0,offset BIOS_CODE:OLD_1A_OFFSET,BIOS_CODE,4> vector <1ah> Ins_OLD_1B instance <1,0,offset BIOS_CODE:OLD_1B_OFFSET,BIOS_CODE,4> vector <1bh> end_tbl dd -1 dw 15 dup (0) ;patch area for instance_tbl Normal_VRAMSEG dw 0a000h Normal_REVISION db 0f0h Normal_LINMOD db 01h ;--------------------------------------------------------------------- FREE_13 EQU 27A6H-($-BIO2_START) DB FREE_13 DUP(0) ORG 27A6H REFCNT DB 26 DUP (00H) ;NOT USED 3.3- MEDIABYT DB 0 BUSY DB 0 BYTPSEC DW 0 SVBPS DW 0 ; ;----------------------------------------------- DOS5 91/01/11 ------- VOLWORK DB 11 DUP (20H) DB 00 ;--------------- ;VOLWORK DB 12 DUP (00H) ;--------------------------------------------------------------------- XPORT_FLAG DB 00000000B ;60:27D2H ; II ; I+-------- xport loaded ; +--------- printer information ;--------------------------------------------------------- 89/08/08 -- db 0 ;for win/386 pointer table dw 0 ;reserve dw 0 ;reserve dw 0 ;reserve dw out_dev_tbl dw out_sts_tbl dw out_nxt_ptr ;--------------------------------------------------------------------- ;************************************************ ;* * ;* POINTER FOR TABLES * ;* * ;************************************************ FREE_14 EQU 2800H-($-BIO2_START) DB FREE_14 DUP(0) ORG 2800H PTR_CON DD CONSOLE_TABLE PTR_DSK DD DISK_TABLE PTR_CLK DD CLOCK_TABLE PTR_PRN DD PRINTER_TABLE PTR_AUX DD AUXILIARY_TABLE PTR_JPN DD JAPAN_TABLE PTR_BR DD B4670_TABLE PTR_NET DD MSNET_TABLE PTR_TBL DD EXLPTBL DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED DD 0 ;RESERVED ;************************************************ ;* * ;* MS-NET TABLE * ;* * ;************************************************ MSNET_TABLE LABEL FAR DW XPORT_FLAG ;POINTER TO [XPORT_FLAG] ;************************************************ ;* * ;* BUFFERS * ;* * ;************************************************ PUBLIC FKY_BUFFER2 ESCBUF DW ESCBUFSIZ DUP(?) ;ESC PARAMETER BUFFER FKY_BUFFER2 DB 512 DUP(0) ;FUNC KEY BUFFER (BIG) ;************************************************ ;* * ;* PRINTER DRIVER WORKING AREA * ;* * ;************************************************ PUBLIC PR_HEADER,PR_KNJCNT EVEN PRINTER_TABLE LABEL FAR PR_HEADER DW 0,0 ;PRINTER DRIVER ADDRESS BIO2_PRN_WRIT: JMP PRN_WRIT ; BIO2_PRN_WRST: JMP PRN_WRST ; PR_KNJCNT DB 0 ;SHIFT JIS COUNT DB 0,0,0 ;RESERVED ;************************************************ ;* * ;* HARD DISK INFOMATION * ;* * ;************************************************ PUBLIC HD_OFFSET,HD1_OFFSET PUBLIC HD_LAST,HD1_LAST PUBLIC HD_NUM,HD1_NUM PUBLIC HDDSK5_1,HDDSK5_2 ;--------------------------------------------------------- 88/03/23 -- PUBLIC HD2_OFFSET,HD3_OFFSET PUBLIC HD2_LAST,HD3_LAST PUBLIC HD2_NUM,HD3_NUM PUBLIC HDDSK5_3,HDDSK5_4 ;--------------------------------------------------------------------- HD_OFFSET DW 0,0,0,0 ;SASI #0 DW 0,0,0,0 HD1_OFFSET DW 0,0,0,0 ;SASI #1 DW 0,0,0,0 HD2_OFFSET DW 0,0,0,0 ;SASI #2 88/03/23 DW 0,0,0,0 HD3_OFFSET DW 0,0,0,0 ;SASI #3 88/03/23 DW 0,0,0,0 HD_OF_RFU DW 0,0,0,0 ;RFU 88/03/23 DW 0,0,0,0 DW 0,0,0,0 ;RFU DW 0,0,0,0 ;LAST SECTOR OF EACH DOS PART HD_LAST DW 0,0,0,0 ;SASI #0 DW 0,0,0,0 HD1_LAST DW 0,0,0,0 ;SASI #1 DW 0,0,0,0 HD2_LAST DW 0,0,0,0 ;SASI #2 88/03/23 DW 0,0,0,0 HD3_LAST DW 0,0,0,0 ;SASI #3 88/03/23 DW 0,0,0,0 HD_LS_RFU DW 0,0,0,0 ;RFU 88/03/23 DW 0,0,0,0 DW 0,0,0,0 ;RFU DW 0,0,0,0 HD_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SASI #0 HD1_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SASI #1 HD2_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SASI #2 88/03/23 HD3_NUM DB 0 ;NUMBER OF MS-DOS AREA IN SASI #3 88/03/23 HD_NUM_RFU DB 0 ;RFU 88/03/23 DB 0 ;RFU HDDSK5_1 DB HDDSK_SIZE DUP (0) ;SASI #0 HDDSK5_2 DB HDDSK_SIZE DUP (0) ;SASI #1 HDDSK5_3 DB HDDSK_SIZE DUP (0) ;SASI #2 HDDSK5_4 DB HDDSK_SIZE DUP (0) ;SASI #3 HDDSK5_RFU DB 52*2-(HDDSK_SIZE-52)*4 DUP (0) ;RFU ;************************************************ ;* * ;* DISK DRIVER WORKING AREA * ;* * ;************************************************ PUBLIC EXLPTBL PUBLIC CURUA,CURDA PUBLIC CPV,CPV1,BPS,BPS1,TPC,TPC1,SPT,SPT1 PUBLIC DSK_TYP,COM,COM1,LNG_TRNS,CUR_TRNS PUBLIC NO_TRNS,MAX_TRNS,PREFAT,PREFAT8 PUBLIC PRVDRV,S_SEC,LNG_SEC,VRFY_FLG PUBLIC RTRY_CNT,RW_SW,SW_HD,SW_5,VOLNUM,CURDA2 ;--------------------------------------------------------- 88/03/23 -- PUBLIC CPV2,CPV3,BPS2,BPS3,TPC2,TPC3,SPT2,SPT3 ;--------------------------------------------------------------------- EXLPTBL LABEL FAR DW 26 DUP (0) ;EXTEND LPTABLE CURUA DB 0 ;SAVING FIELD OF CURR. UNIT ADDR CURDA DB 0 ;SAVING FIELD OF CURR. DEV. ADDR CPV DW 0 ;CYLINDER PER VOLUME IN DEV SASI #0 CPV1 DW 0 ;CYLINDER PER VOLUME IN DEV SASI #1 CPV2 DW 0 ;CYLINDER PER VOLUME IN DEV SASI #2 88/03/23 CPV3 DW 0 ;CYLINDER PER VOLUME IN DEV SASI #3 88/03/23 DW 0,0 ;RFU 88/03/23 BPS DW 0 ;BYTE PER SECTOR IN DEV SASI #0 BPS1 DW 0 ;BYTE PER SECTOR IN DEV SASI #1 BPS2 DW 0 ;BYTE PER SECTOR IN DEV SASI #2 88/03/23 BPS3 DW 0 ;BYTE PER SECTOR IN DEV SASI #3 88/03/23 DW 0,0 ;RFU 88/03/23 TPC DB 0 ;TRACK PER CYLINDER IN DEV SASI #0 TPC1 DB 0 ;TRACK PER CYLINDER IN DEV SASI #1 TPC2 DB 0 ;TRACK PER CYLINDER IN DEV SASI #2 88/03/23 TPC3 DB 0 ;TRACK PER CYLINDER IN DEV SASI #3 88/03/23 DB 0,0 ;RFU 88/03/23 SPT DB 0 ;SECTOR PER TRACK IN DEV SASI #0 SPT1 DB 0 ;SECTOR PER TRACK IN DEV SASI #1 SPT2 DB 0 ;SECTOR PER TRACK IN DEV SASI #2 88/03/23 SPT3 DB 0 ;SECTOR PER TRACK IN DEV SASI #3 88/03/23 DB 0,0 ;RFU 88/03/23 DSK_TYP DB 0 ;0 :SINGLE SIDE/1:DOUBLE SIDE COM DB 0 ;COMMAND HIGH 4 BITS COM1 DB 0 ;COMMAND LOW 4 BITS LNG_TRNS DW 0 ;NUMBER OF DEMANDING SECTOR FROM UP CUR_TRNS DW 0 ;NUMBER OF SECTOR WHICH JUST READ ;/WRITE. NO_TRNS DW 0 ;NUMBER OF NO TRANSFERD SECTOR MAX_TRNS DW 0 ;NUMBER OF MAX SECTOR ON TRACK PREFAT DB -5,-5,-5,-5 ;SAVING FIELD OF PREVIOUS FAT ID OF 5"2DD ;DEF=5"2DD.(8) PREFAT8 DB -5,-5,-5,-5 ;SAVING FIELD OF PREVIOUS FAT ID? PRVDRV DB 0 ;SAVING FIELD OF PREVIOUS I/O DRIVE NUM S_SEC DW 0 ;SAVING FIELD OF SECTOR PER TRAK ;8"I-128 8"IID-1024 5"FD-512 ;5"FD-8/9 LNG_SEC DW 0 ;SAVING FIELD OF BYTE PRT SECTOR ;8"I-128 8"IID-1024 ;5"FD-512 VRFY_FLG DB 0 ;VERIFY FLAG RTRY_CNT DB 0 ;NUMER OF RETRY TIMES RW_SW DB 0 ;FLAG TO INDICATE READ/WRITE SW_HD DB 0 ;HARD INDICATE FLAG SW_5 DB 0 ;5"FD INDICATE FLAG VOLNUM DB 0 ;SAVING FIELD OF ACCESS AOL NUMBER CURDA2 DB 0 ;85/03/05 ;************************************************ ;* * ;* INIT MODULE WORK * ;* * ;************************************************ PUBLIC BT_TYP,INF8F,INF5F,INF5H PUBLIC UA,SVPTR,SVPTR1,SVPTR2 PUBLIC HD_SPT,HD_LNG,HD_HED BT_TYP DB 0 ;BOOT DRIVE SAVING FIELD INF8F DB 0 ;EQUIP INF OF 8"FD INF5F DB 0 ;EQUIP INF OF 5"FD INF5H DB 0 ;EQUIP INF OF 5"HD UA DB 0 ;UNIT ADDR SAVING FIELD SVPTR DW 0 ;POINTER SAVING FIELD SVPTR1 DW 0 ;" SVPTR2 DW 0 ;" HD_SPT DB 0 ;NUMBER OF SECTOR PER TRACK ON HD DISK HD_LNG DW 0 ;BYTE PER SECTOR ON HD DISK HD_HED DB 0 ;NUMBER OF HEAD PER CYLINDER ;************************************************ ;* * ;* TIMER WORK AREA * ;* * ;************************************************ PUBLIC CAL_TBL PUBLIC T_YEAR,T_MONTH,T_DAY,T_HOUR,T_MIN,T_SEC PUBLIC MONTH_TBL,YEAR,MONTH,DAY CLOCK_TABLE LABEL FAR CAL_TBL EQU $ T_YEAR DB 0 T_MONTH DB 0 T_DAY DB 0 T_HOUR DB 0 T_MIN DB 0 T_SEC DB 0 MONTH_TBL DB 31,28,31,30,31,30 DB 31,31,30,31,30,31 YEAR DW 0 MONTH DW 0 DAY DW 0 DW 0,0,0,0 ;RFU PUBLIC FKYTBL,FKYTBL2,KBCODTBL PUBLIC CTRLNFER,CTRLXFER,CTRLFKY PUBLIC BUFSIZE,CHRTBL ; ;************************************************ ;* FUNCTION KEY TABLE * ;* ( DEFAULT VALUE ) * ;************************************************ ; FKYTBL DB 8,0FEH,' C1 ',1BH,'S',0,0,0,0,0,0,0 ;FNC 1 DB 8,0FEH,' CU ',1BH,'T',0,0,0,0,0,0,0 ;FNC 2 DB 8,0FEH,' CA ',1BH,'U',0,0,0,0,0,0,0 ;FNC 3 DB 8,0FEH,' S1 ',1BH,'V',0,0,0,0,0,0,0 ;FNC 4 DB 8,0FEH,' SU ',1BH,'W',0,0,0,0,0,0,0 ;FNC 5 DB 8,0FEH,'VOID ',1BH,'E',0,0,0,0,0,0,0 ;FNC 6 DB 8,0FEH,'NWL ',1BH,'J',0,0,0,0,0,0,0 ;FNC 7 DB 8,0FEH,'INS ',1BH,'P',0,0,0,0,0,0,0 ;FNC 8 DB 8,0FEH,'REP ',1BH,'Q',0,0,0,0,0,0,0 ;FNC 9 DB 8,0FEH,' ^Z ',1BH,'Z',0,0,0,0,0,0,0 ;FNC 10 ; DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;FNC 11 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;FNC 12 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;FNC 13 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;FNC 14 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;FNC 15 ; FKYTBL2 DB 7,'dir a:',13,0,0,0,0,0,0,0,0 ;SHFT F.1 DB 7,'dir b:',13,0,0,0,0,0,0,0,0 ;SHFT F.2 DB 5,'copy ',0,0,0,0,0,0,0,0,0,0 ;SHFT F.3 DB 4,'del ',0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.4 DB 4,'ren ',0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.5 DB 10,'chkdsk a:',13,0,0,0,0,0 ;SHFT F.6 DB 10,'chkdsk b:',13,0,0,0,0,0 ;SHFT F.7 DB 5,'type ',0,0,0,0,0,0,0,0,0,0 ;SHFT F.8 DB 5,'date',13,0,0,0,0,0,0,0,0,0,0 ;SHFT F.9 DB 5,'time',13,0,0,0,0,0,0,0,0,0,0 ;SHFT F.10 ; DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.11 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.12 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.13 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.14 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;SHFT F.15 KBCODTBL EQU $ DB 0,0,0,0,0,0,0,0 ;ROLL UP DB 0,0,0,0,0,0,0,0 ;ROLL DOWN DB 2,1BH,'P',0,0,0,0,0 ;INS DB 2,1BH,'D',0,0,0,0,0 ;DEL DB 1,0BH,0,0,0,0,0,0 ;^ DB 1,08H,0,0,0,0,0,0 ;<- DB 1,0CH,0,0,0,0,0,0 ;-> DB 1,0AH,0,0,0,0,0,0 ;V DB 1,1AH,0,0,0,0,0,0 ;CLEAR DB 0,0,0,0,0,0,0,0 ;HELP DB 1,1EH,0,0,0,0,0,0 ;HOME ; CTRLNFER DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 CTRLXFER DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; ; CONTROL + FUNCTION KEY TABLE ; ; CTRLFKY DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.1 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.2 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.3 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.4 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.5 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.6 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.7 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.8 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.9 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.10 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.11 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.12 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.13 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.14 DB 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ;CTRL + F.15 ;************************************************ ;* KEYBOARD REASSIGNMENT TABLE NEW ;************************************************ BUFSIZE DW 0 ;BUFFER ENTRY SIZE FOR INT220 CHRTBL DW 0 ;ENTRY COUNTER DB 512 DUP (0) ;DATA KEY REASSIGN TABLE ;************************************************ 871015 NEW ;* * ;* SIGNON MESSAGE & COPYRIGHT * ;* * ;************************************************ PUBLIC TITLE_M ;----------------------------------------------- DOS5A 92/04/15 ------- ;TITLE_M DB 'NEC PC-9800 ｼﾘｰｽﾞ ﾊﾟｰｿﾅﾙ ｺﾝﾋﾟｭｰﾀ',13,10,10 ; DB 'ﾏｲｸﾛｿﾌﾄ MS-DOS ﾊﾞｰｼﾞｮﾝ 5.00 ',13,10 ; DB 'Copyright (C) 1981,1991 Microsoft Corp. ' ; DB '/ NEC Corporation ',13,10 ;--------------- ; ;TITLE_M DB 'NEC PC-9800 ｼﾘｰｽﾞ ﾊﾟｰｿﾅﾙ ｺﾝﾋﾟｭｰﾀ',13,10,10 ; DB 'ﾏｲｸﾛｿﾌﾄ MS-DOS ﾊﾞｰｼﾞｮﾝ 5.00A ',13,10 ; DB 'Copyright (C) 1981,1991 Microsoft Corp. ' ; DB '/ NEC Corporation ',13,10 ;--------------- ; TITLE_M DB 'NEC PC-9800 ｼﾘｰｽﾞ ﾊﾟｰｿﾅﾙ ｺﾝﾋﾟｭｰﾀ',13,10,10 DB 'ﾏｲｸﾛｿﾌﾄ MS-DOS ﾊﾞｰｼﾞｮﾝ 5.00A ',13,10 DB 'Copyright (C) 1981,1992 Microsoft Corp. ' DB '/ NEC Corporation ',13,10 ;---------------------------------------------------------------------- DATA_END LABEL NEAR PAGE ;**************************************************************** ;* * ;* DISPATCH TABLE FOR DEVICE * ;* * ;**************************************************************** ORG 3300h DB 0 CON_TBL: DB 16 DW EXIT ;0-INIT(NOT USED) DW EXIT ;1-MEDIA CHECK(NOT USED) DW EXIT ;2-GET BPB(NOT USED) DW CMD_ERR ;3-IO CTRL INPUT DW CON_READ ;4-DESTRUCTIVE READ DW CON_RDND ;5-NON DESTRUCTIVE READ DW EXIT ;6-INPUT STATUS DW CON_FLSH ;7-FLUSH INPUT BUFFER DW CON_WRIT ;8-WRITE DW CON_WRIT ;9-WRITE & VERIFY DW CON_WRST ;10-WRITE STATUS DW EXIT ;11-OUTPUT STATUS DW EXIT ;12-IO CTRL OUTPUT DW EXIT ;13-DEVICE OPEN(NOT USED) DW EXIT ;14-DEVICE CLOSE(NOT USED) DW EXIT ;15-REMOVABLE MEDIA(NOT USED) DW EXIT ;16-OUT TIL BUSY(NOT USED) ;----------------------------------------------------------870826---------- PRN_TBL: DB 16 DW EXIT ;0-INIT(NOT USED) DW EXIT ;1-MEDIA CHECK(NOT USED) DW EXIT ;2-GET BPB(NOT USED) DW CMD_ERR ;3-IO CTRL INPUT DW EXIT ;4-DESTRUCTIVE READ DW BUS_EXIT ;5-NON DESTRUCTIVE READ DW EXIT ;6-INPUT STATUS DW EXIT ;7-FLUSH INPUT BUFFER DW PRN_WRIT_DUM ;8-WRITE DW PRN_WRIT_DUM ;9-WRITE & VERIFY DW PRN_WRST_DUM ;10-WRITE STATUS DW EXIT ;11-OUTPUT STATUS DW EXIT ;12-IO CTRL OUTPUT DW EXIT ;13-DEVICE OPEN(NOT USED) DW EXIT ;14-DEVICE CLOSE(NOT USED) DW EXIT ;15-REMOVABLE MEDIA(NOT USED) DW EXIT ;16-OUT TIL BUSY(NOT USED) AUX_TBL: DB 16 DW EXIT ;0-INIT(NOT USED) DW EXIT ;1-MEDIA CHECK(NOT USED) DW EXIT ;2-GET BPB(NOT USED) DW CMD_ERR ;3-IO CTRL INPUT DW AUX_READ_DUM ;4-DESTRUCTIVE READ DW AUX_RDND_DUM ;5-NON DESTRUCTIVE READ DW EXIT ;6-INPUT STATUS DW AUX_FLSH_DUM ;7-FLUSH INPUT BUFFER DW AUX_WRIT_DUM ;8-WRITE DW AUX_WRIT_DUM ;9-WRITE & VERIFY DW AUX_WRST_DUM ;10-WRITE STATUS DW EXIT ;11-OUTPUT STATUS DW EXIT ;12-IO CTRL OUTPUT DW EXIT ;13-DEVICE OPEN(NOT USED) DW EXIT ;14-DEVICE CLOSE(NOT USED) DW EXIT ;15-REMOVABLE MEDIA(NOT USED) DW EXIT ;16-OUT TIL BUSY(NOT USED) ;------------------------------------------------------------------------- CLK_TBL: DB 16 DW EXIT DW EXIT DW EXIT DW CMD_ERR DW CLK_READ DW BUS_EXIT DW EXIT DW EXIT DW CLK_WRIT DW CLK_WRIT DW EXIT DW EXIT DW EXIT DW EXIT DW EXIT DW EXIT DW EXIT DSK_TBL: DB 25 DW DSK_INIT DW MEDIA_CHK DW GET_BPB DW CMD_ERR DW DSK_READ DW BUS_EXIT DW EXIT DW EXIT DW DSK_WRIT DW DSK_WRTV DW EXIT DW EXIT DW EXIT DW DSK_OPEN ;DEVICE OPEN DW DSK_CLOSE ;DEVICE CLOSE DW DSK_REMOVABLE ;REMOVABLE CHECK DW EXIT DW EXIT DW EXIT DW Generic$IOCTL DW EXIT DW EXIT DW EXIT DW IOCTL$GetOwn DW IOCTL$SetOwn DW IOCTL_SUPPORT_QUERY FREE_15 EQU 3400H-($-BIO2_START) DB FREE_15 DUP(0) PAGE ;**************************************************************** ;* * ;* DEVICE TABLES * ;* * ;**************************************************************** ORG 3400H DEV_TBL LABEL WORD CON_DEV: DW PRN_DEV,BIOSSEG ;LINK TO NEXT DEVICE DW 8013H ;ATTRIBUTE (CHR.I/O) ; +-------------------------------INT 29H SUPPORT DW STRATEGY ;STRATEGY ENTRY POINT DW CON_INT ;INTERRUPT ENTRY POINT DB 'CON ' ;DEVICE NAME ;------------------------------------------------ 870826 DUMMY DEV --------- PRN_DEV: DW AUX_DEV,BIOSSEG ;LINK TO NEXT DEVICE DW 8000H ;ATTRIBUTE (CHR.I/O) DW STRATEGY ;STRATEGY ENTRY POINT DW PRN_INT ;INTERRUPT ENTRY POINT DB 'PRN ' ;DEVICE NAME AUX_DEV: DW CLK_DEV,BIOSSEG ;LINK TO NEXT DEVICE DW 8000H ;ATTRIBUTE (CHR.I/O) DW STRATEGY ;STRATEGY ENTRY POINT DW AUX_INT ;INTERRUPT ENTRY POINT DB 'AUX ' ;DEVICE NAME ;----------------------------------------------------------------------- CLK_DEV: DW DSK_DEV,BIOSSEG DW 8008H DW STRATEGY DW CLK_INT DB 'CLOCK$ ' DSK_DEV: DD -1 ;-------------------------------------------------------DOS5 90/12/14---- ; DW 4840H ;OPEN/CLOSE/RM BIT ON ;13-NON IBM, 11-OPEN/CLOSE/RM ;14-IOCTL ;6 -VER3.3 ;------------------ DW 48C2H ;1 32 BIT SECTOR SUPPORT ;7 IOCTL SUPPORT QUERY ;------------------------------------------------------------------------ DW STRATEGY DW DSK_INT DRV_NUM DB 1 PAGE ;************************************************ ;* * ;* VARIABLE & DEVICE ASSIGN TABLE * ;* * ;************************************************ EVEN PTRSAV DD 0 ;STRATEGY POINTER SAVE AREA ;**************************************************************** ;* * ;* STRATEGY ROUTINE * ;* * ;**************************************************************** ; STRTUP PROC FAR STRATEGY: MOV WORD PTR CS:[PTRSAV],BX MOV WORD PTR CS:[PTRSAV+2],ES RET STRTUP ENDP ; ; OUTER DRIVER PROCESS ; PRNOUT_DATARTN PROC NEAR CALL DWORD PTR CS:[PRNOUT_CODERTN] RET PRNOUT_DATARTN ENDP PRNRDY_DATARTN PROC NEAR CALL DWORD PTR CS:[PRNRDY_CODERTN] RET PRNRDY_DATARTN ENDP ; ; INTERRUPT ROUTINE ; CON_INT: PUSH SI MOV SI,OFFSET CON_TBL JMP SHORT ENTRY ;---------------------------------------------------------870826---------- PRN_INT: PUSH SI MOV SI,OFFSET PRN_TBL ;SET DISPATCH TABLE ADDR. JMP SHORT ENTRY ;JUMP TO COMMON ROUTINE AUX_INT: PUSH SI MOV SI,OFFSET AUX_TBL ;SET DISPATCH TABLE ADDR. JMP SHORT ENTRY ;------------------------------------------------------------------------- CLK_INT: PUSH SI MOV SI,OFFSET CLK_TBL JMP SHORT ENTRY DSK_INT: PUSH SI MOV SI,OFFSET DSK_TBL ;************************************************ ;* * ;* COMMON ROUTINE FOR INTERRUPT * ;* * ;************************************************ ENTRY: PUSH AX PUSH CX PUSH DX PUSH DI PUSH BP PUSH DS PUSH ES PUSH BX ;SAVE ALL REGISTER LDS BX,CS:[PTRSAV] ;RETRIEVE POINTER(DS:BX) MOV AL,[BX.UNIT] ;GET UNIT MOV AH,[BX.MEDIA] ;GET MEDIA MOV CX,[BX.COUNT] ;GET BYTE/SECTOR COUNT MOV DX,[BX.START] ;GET LOGICAL SECTOR ;----------------------------------------------- DOS5 90/12/14 ------- CMP SI,OFFSET DSK_TBL ;COMMAND TO DISK? JNE NOT_LARGE_SECTOR MOV CS:START_SEC_H,0 CMP [BX.START],-1 ;LARGE PARTITION? JNE NOT_LARGE_SECTOR MOV DX,[BX.START_H] MOV CS:START_SEC_H,DX MOV DX,[BX.START_L] NOT_LARGE_SECTOR: ;--------------------------------------------------------------------- XCHG AX,DI ;SAVE AX MOV AL,[BX.CMD] ;GET COMMAND ;--------------------------------------------------------- 88/05/31 -- CMP AL,CS:[SI] JA CMD_ERR ;--------------------------------------------------------------------- XOR AH,AH ADD SI,AX ADD SI,AX ;--------------------------------------------------------- 88/05/31 -- ; CMP AL,16 ;DOS 3.XX (0-16) ; JA CMD_ERR ;--------------------------------------------------------------------- XCHG AX,DI ;RESTORE AX LES DI,[BX.TRANS] ;GET I/O BUFFER ADDR(ES:DI) PUSH CS POP DS JMP [SI+1] ;PERFORM I/O PACKET COMMAND PAGE ; ; BUSY EXIT ; BUS_EXIT: MOV AH,00000011B ;SET BUSY& DONE BITS JMP SHORT EXIT1 ; ; COMMAND ERROR ; CMD_ERR: MOV AL,3 ;SET UNKNOWM COMMAND ERROR ; ; EREROR EXIT ; ERR_EXIT: MOV AH,10000001B ;SET ERROR & DONE BITS JMP SHORT EXIT1 ; ; NORMAL EXIT ; EXITRTN PROC FAR EXIT: MOV AH,00000001B ;SET DONE BIT EXIT1: EXITRF: LDS BX,CS:[PTRSAV] MOV [BX.STATUS],AX POP BX POP ES POP DS POP BP POP DI POP DX POP CX POP AX POP SI RET ;FAR RETURN EXITRTN ENDP PAGE ;******************************************************** ; MS-DOS 5.0 * ; CODE SEGMENT JUMP ROUTINE * ;******************************************************** ; ; KEYBOARD ROUTINE ; KBIN_DATARTN PROC NEAR CALL DWORD PTR CS:[KBIN_CODERTN] RET KBIN_DATARTN ENDP KBSTAT_DATARTN PROC NEAR CALL DWORD PTR CS:[KBSTAT_CODERTN] RET KBSTAT_DATARTN ENDP KBFLUSH_DATARTN PROC NEAR CALL DWORD PTR CS:[KBFLUSH_CODERTN] RET KBFLUSH_DATARTN ENDP ; ; CONSOLE ROUTINE ; CRTOUT_DATARTN PROC NEAR CALL DWORD PTR CS:[CRTOUT_CODERTN] RET CRTOUT_DATARTN ENDP CRTRDY_DATARTN PROC NEAR CALL DWORD PTR CS:[CRTRDY_CODERTN] RET CRTRDY_DATARTN ENDP ; ; S0 ROUTINE ; S0IN_DATARTN PROC NEAR CALL DWORD PTR CS:[S0IN_CODERTN] RET S0IN_DATARTN ENDP S0STAT_DATARTN PROC NEAR CALL DWORD PTR CS:[S0STAT_CODERTN] RET S0STAT_DATARTN ENDP S0FLUSH_DATARTN PROC NEAR CALL DWORD PTR CS:[S0FLUSH_CODERTN] RET S0FLUSH_DATARTN ENDP S0OUT_DATARTN PROC NEAR CALL DWORD PTR CS:[S0OUT_CODERTN] RET S0OUT_DATARTN ENDP S0RDY_DATARTN PROC NEAR CALL DWORD PTR CS:[S0RDY_CODERTN] RET S0RDY_DATARTN ENDP ; ; S1 ROUTINE ; S1IN_DATARTN PROC NEAR CALL DWORD PTR CS:[S1IN_CODERTN] RET S1IN_DATARTN ENDP S1STAT_DATARTN PROC NEAR CALL DWORD PTR CS:[S1STAT_CODERTN] RET S1STAT_DATARTN ENDP S1FLUSH_DATARTN PROC NEAR CALL DWORD PTR CS:[S1FLUSH_CODERTN] RET S1FLUSH_DATARTN ENDP S1OUT_DATARTN PROC NEAR CALL DWORD PTR CS:[S1OUT_CODERTN] RET S1OUT_DATARTN ENDP S1RDY_DATARTN PROC NEAR CALL DWORD PTR CS:[S1RDY_CODERTN] RET S1RDY_DATARTN ENDP ; ; S2 ROUTINE ; S2IN_DATARTN PROC NEAR CALL DWORD PTR CS:[S2IN_CODERTN] RET S2IN_DATARTN ENDP S2STAT_DATARTN PROC NEAR CALL DWORD PTR CS:[S2STAT_CODERTN] RET S2STAT_DATARTN ENDP S2FLUSH_DATARTN PROC NEAR CALL DWORD PTR CS:[S2FLUSH_CODERTN] RET S2FLUSH_DATARTN ENDP S2OUT_DATARTN PROC NEAR CALL DWORD PTR CS:[S2OUT_CODERTN] RET S2OUT_DATARTN ENDP S2RDY_DATARTN PROC NEAR CALL DWORD PTR CS:[S2RDY_CODERTN] RET S2RDY_DATARTN ENDP HEXCHK_DATARTN PROC NEAR ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL DWORD PTR CS:[HEXCHK_RTN] RET HEXCHK_DATARTN ENDP D_MCONV_DATARTN PROC NEAR ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL DWORD PTR CS:[D_MCONV_RTN] RET D_MCONV_DATARTN ENDP BELRTN_DATARTN PROC NEAR ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL DWORD PTR CS:[BELRTN_RTN] RET BELRTN_DATARTN ENDP DSK_INIT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_INIT_DATARTN] MEDIA_CHK: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[MEDIA_CHK_DATARTN] GET_BPB: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[GET_BPB_DATARTN] DSK_READ: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_READ_DATARTN] DSK_WRIT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_WRIT_DATARTN] DSK_WRTV: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_WRTV_DATARTN] DSK_OPEN: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_OPEN_DATARTN] DSK_CLOSE: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_CLOSE_DATARTN] DSK_REMOVABLE: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[DSK_REMOVABLE_DATARTN] Generic$IOCTL: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[Generic$IOCTL_DATARTN] IOCTL$GetOwn: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[IOCTL$GetOwn_DATARTN] IOCTL$SetOwn: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[IOCTL$SetOwn_DATARTN] ;--------------------------------------------------------- DOS5 91/02/22 -- IOCTL_SUPPORT_QUERY: cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: JMP DWORD PTR CS:[IOCTL_SUPPORT_QUERY_DATARTN] ;-------------------------------------------------------------------------- INT_TRAP: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[INT_TRAP_DATA] COPY_INT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[COPY_INT_DATA] STOP_INT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[STOP_INT_DATA] INT_29: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[INT_29_DATA] EXTBIOS: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[EXTBIOS_DATA] HD_ENTI: TEST AL,10H ;TARGET 5"HD ? JNZ SKIP_FD ; 89/07/28 TEST AL,60H ; 89/07/28 JZ TRG_5HD ;JUMP IF 5"HD SKIP_FD: ; 89/07/28 JMP DWORD PTR CS:[INT1B_OFST] TRG_5HD: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[HD_ENTI_DATA] EXFNC_START: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[EXFNC_START_DATA] CRTBIOS_START: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[CRTBIOS_START_DATA] NEW_1A_ENT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[NEW_1A_ENT_DATA] INT_1CH: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[INT_1CH_DATA] TIM_INT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[TIM_INT_DATA] NEW_1B_INT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR CS:[NEW_1B_INT_DATA] RE_INIT PROC FAR ;--------------------------------------------------------- DOS5 90/12/17 -- cmp CS:inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL DWORD PTR CS:[REINIT_DATA_RTN] RETF RE_INIT ENDP ; ;This routine was originally in BIOS_CODE but this causes a lot of problems ;when we call it including checking of A20. The code being only about ;30 bytes, we might as well put it in BIOS_DATA ; PUBLIC V86_Crit_SetFocus V86_Crit_SetFocus PROC FAR push di push es push bx push ax xor di,di mov es,di mov bx,0015h ;Device ID of DOSMGR device mov ax,1684h ;Get API entry point int 2fh mov ax,es or ax,di jz Skip ; ;Here, es:di is address of API routine. Set up stack frame to simulate a call ; push cs ;push return segment mov ax,OFFSET Skip push ax ;push return offset push es push di ;API far call address mov ax,1 ;SetFocus function number retf ;do the call Skip: pop ax pop bx pop es pop di ret V86_Crit_SetFocus ENDP ; ;End WIN386 support ; ; ; int 2f handler for external block drivers to communicate with the internal ; block driver in msdisk. the multiplex number chosen is 8. the handler ; sets up the pointer to the request packet in [ptrsav] and then jumps to ; dsk_entry, the entry point for all disk requests. ; ; on exit from this driver, we will return to the external driver ; that issued this int 2f, and can then remove the flags from the stack. ; this scheme allows us to have a small external device driver, and makes ; the maintainance of the various drivers (driver and msbio) much easier, ; since we only need to make changes in one place (most of the time). ; ; ax=800h - check for installed handler - reserved ; ax=801h - install the bds into the linked list ; ax=802h - dos request ; ax=803h - return bds table starting pointer in ds:di ; (ems device driver hooks int 13h to handle 16kb dma overrun ; problem. bds table is going to be used to get head/sector ; informations without calling generic ioctl get device parm call.) ; ; ax=167fh - win3.0a support ; ; ax=4b05h - DOSSHELL support ; MULTWIN386 equ 16h Win386_Init equ 05h Win386_Exit equ 06h Win386_NH equ 7fh multMULT equ 4ah multMULTGETHMAPTR equ 1 multMULTALLOCHMA equ 2 i2f_handler PROC FAR int_2f: cmp ah,8 ;93/03/25 MVDM DOS5.0A--------------------------- jz i2f_iret ;------------------------------------------------ ; ;Check for WIN386 startup and return the BIOS instance data ; cmp ah,MULTWIN386 jz win386call cmp ah, multMULT ;----------------------------------------------- DOS5A 92/04/08 ------ ; jmp i2f_patch db 90h,90h ;--------------- ; jne i2f_iret ; jmp handle_multmult ;--------------------------------------------------------------------- i2f_iret: iret mine: assume ds:nothing cmp al,0f8h ; iret on reserved functions jae i2f_iret or al,al ; a get installed state request? jnz disp_func mov al,0ffh jmp i2f_iret disp_func: cmp al,1 ; request for installing bds? jz do_subfun_01 cmp al,3 ; get bds vector? jz do_get_bds_vector ; set up pointer to request packet push ds PUSH CS POP DS ; ds: -> Bios_Data assume ds:Bios_Data mov word ptr [ptrsav],bx ;otherwise dos function. mov word ptr [ptrsav+2],es pop ds assume ds:nothing jmp DSK_INT ; NOTE: jump to a function, not an ; ; IRET type function. Callers of ; ; this int2f subfunction will have ; ; to be careful to do a popf do_subfun_01: assume ds:nothing push es ; save caller's ds, es push ds push ds ; put his argument into es pop es PUSH CS POP DS ; point ds: -> Bios_Data assume ds:Bios_Data call install_bds pop ds ; restore caller's registers assume ds:nothing pop es jmp i2f_iret do_get_bds_vector: ; al=3 assume ds:nothing PUSH CS POP DS ;we are in bios_data assume ds:Bios_Data lds di,[start_bds] assume ds:nothing ii2f_iret: jmp i2f_iret ;------------------------------------------------------ DOS5 91/09/09 - ; ;WIN386 startup stuff is done here. If starting up we set our WIN386 present ;flag and return instance data. If exiting, we reset the WIN386 present flag ;NOTE: We assume that the BIOS int 2fh is at the bottom of the chain. win386call: push ds push cs pop ds assume ds:Bios_Data cmp al, Win386_Init ; is it win386 initializing? je Win386Init cmp al, Win386_Exit ; is it win386 exiting? je win386Exit ; if not, continue int2f chain cmp al,Win386_NH ;NEC jne win_iret ;NEC cmp dx,0 ;NEC jne win_iret ;NEC jmp short set_instance ;NEC Win386Exit: test dx, 1 ; is it win386 or win286 dos extender? jnz win_iret ; if not win386, then continue and [IsWin386], 0 ; indicate that win386 is not present jmp short win_iret Win386Init: test dx, 1 ; is it win386 or win286 dos extender? jnz win_iret ; if not win386, then continue or [IsWin386], 1 ; Indicate WIN386 present mov word ptr [SI_Next], bx ; Hook our structure into chain mov word ptr [SI_Next + 2], es mov bx, offset Win386_SI ; point ES:BX to Win386_SI push ds pop es win_iret: pop ds assume ds:nothing jmp short i2f_iret ;return back up the chain ; ; NEC Win386 suppurt ; assume ds:Bios_Data set_instance: mov prev_data_off,bx mov bx,es mov prev_data_seg,bx ;----------------------------------------------- DOS5 92/02/04 ------- ; jmp short not_27board db 3 dup (90h) ;--------------- ; test EXFNC_FLG,02h ;--------------------------------------------------------------------- jz not_27board mov word ptr Ins_OLD_1B.instanceoff,offset BIOS_CODE:SAVE_INT1B not_27board: mov bx,BIOS_SEG mov word ptr Ins_OLD_1B.instanceseg,bx mov word ptr Ins_OLD_1A.instanceseg,bx push cs pop es mov bx,offset instance_tbl ;------------------------------------------------------------------------------ ; jmp win_iret db 90h ; jmp i2f_iret ;------------------------------------------------------------------------------ handle_multmult: cmp al, multMULTGETHMAPTR jne try_2 push ds call HMAPtr ; get offset of free HMA mov bx, 0ffffh mov es, bx ; seg of HMA mov bx, di not bx or bx, bx jz @f inc bx @@: pop ds jmp ii2f_iret try_2: cmp al, multMULTALLOCHMA jne try_3 push ds mov di, 0ffffh ; assume not enough space mov es, di call HMAPtr ; get offset of free HMA assume ds:Bios_Data cmp di, 0ffffh je InsuffHMA neg di ; free space in HMA cmp bx, di jbe @f mov di, 0ffffh jmp short InsuffHMA @@: mov di, FreeHMAPtr add bx, 15 and bx, 0fff0h add FreeHMAPtr, bx ; update the free pointer jnz InsuffHMA mov FreeHMAPtr, 0ffffh ; no more HMA if we have wrapped InsuffHMA: pop ds assume ds:nothing jmp ii2f_iret try_3: jmp ii2f_iret i2f_handler endp ; install_bes installs a bds at location ds:di into the current linked list of ; bds maintained by this device driver. it places the bds at the end of the ; list. Trashes (at least) ax, bx, di, si install_bds proc near assume ds:Bios_Data,es:nothing push ds ; save Bios_Data segment mov si,offset start_bds ; beginning of chain ; ds:si now points to link to first bds ; assume bds list is non-empty loop_next_bds: lds si,[si].bds_link ; fetch next bds mov al,es:[di].bds_drivenum ; does this one share a physical cmp [si].bds_drivenum,al ; drive with new one? jnz next_bds mov bl,fi_am_mult ; set both of them to i_am_mult if so or byte ptr es:[di].bds_flags,bl or byte ptr [si].bds_flags,bl and byte ptr es:[di].bds_flags,not fi_own_physical ; we don't own it mov bl,byte ptr [si].bds_flags ; determine if changeline available and bl,fchangeline or byte ptr es:[di].bds_flags,bl next_bds: cmp word ptr [si].bds_link,-1 ; are we at end of list? jnz loop_next_bds mov word ptr [si].bds_link+2,es ; install bds mov word ptr [si].bds_link,di mov word ptr es:[di].bds_link,-1 ; set next pointer to null pop ds ; restore Bios_Data ret install_bds endp ; ;-------------------------------------------------------------------------- ; ; procedure : HMAPtr ; ; Gets the offset of the free HMA area ( with respect to ; seg ffff ) ; If DOS has not moved high, tries to move DOS high. ; In the course of doing this, it will allocate all the HMA ; and set the FreeHMAPtr to past the end of the BIOS and ; DOS code. The call to MoveDOSIntoHMA (which is a pointer) ; enters the routine in sysinit1 called FTryToMoveDOSHi. ; ; RETURNS : offset of free HMA in DI ; BIOS_DATA, seg in DS ; ;-------------------------------------------------------------------------- ; HMAPtr proc near push cs pop ds assume ds:Bios_Data mov di, FreeHMAPtr cmp di, 0ffffh jne @f cmp SysinitPresent, 0 je @f call dword ptr MoveDOSIntoHMA mov di, FreeHMAPtr @@: ret HMAPtr endp ;******************************************************** ;* * ;* CONSOLE ROUTINE * ;* * ;******************************************************** CON_READ: PUSH CS POP DS PUSH CX PUSH DI CLD MOV BIOS_FLAG,1 MOV BL,ASS_CONIN ;GET DEV-NO XOR BH,BH SHL BX,1 ;WORD POINTER ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL INP_DEV_TBL[BX] ;CALL FLUSH SUBROUTINE POP DI POP CX STOSB LOOP CON_READ JMP EXIT ; ; NON-DESTRUCTIVE READ ; CON_RDND: PUSH CS POP DS CLD MOV BIOS_FLAG,1 MOV BL,ASS_CONIN ;GET DEV_NO XOR BH,BH SHL BX,1 ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL INP_STS_TBL[BX] ;CALL I/O SUBROUTINE JZ CON_RDND_BUS LDS DI,[PTRSAV] MOV [DI.MEDIA],AL JMP EXIT CON_RDND_BUS: JMP BUS_EXIT ; ; FLUSH INPUT BUFFER ; CON_FLSH: PUSH CS POP DS CLD MOV BIOS_FLAG,1 MOV BL,ASS_CONIN XOR BH,BH SHL BX,1 ;WORD POINTER ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL INP_FLS_TBL[BX] ;CALL FLUSH SUBROUTINE JMP EXIT ; ; WRITRE ; CON_WRIT: PUSH CS POP DS MOV SI,DI CON_WRIT1: LODS BYTE PTR ES:[SI] CALL CONOUT LOOP CON_WRIT1 JMP EXIT CONOUT_FAR PROC FAR CALL CONOUT RET CONOUT_FAR ENDP CONOUT: PUSH CS POP DS PUSH CX PUSH SI CLD MOV BIOS_FLAG,1 XCHG AL,CL MOV BL,ASS_CONOUT ;GET DEV_NO MOV OUT_RTN_CNT,BL MOV BX,OFFSET ASS_CONOUT+1 MOV OUT_NXT_PTR,BX ;SAVE POINTER CALL OUT_ASSIGN CALL DWORD PTR CS:[STOP_CHK_RTN] POP SI POP CX RET ; ; WRITE STATUS ; CON_WRST: PUSH CS POP DS CLD MOV BIOS_FLAG,1 MOV BL,ASS_CONOUT MOV OUT_RTN_CNT,BL ;GET DEV_NO MOV BX,OFFSET ASS_CONOUT+1 MOV OUT_NXT_PTR,BX ;SAVE POINTER MOV STS_SAVE,0 CALL STS_ASSIGN CALL DWORD PTR CS:[STOP_CHK_RTN] MOV AX,STS_SAVE JMP EXIT1 PAGE ;******************************************************** ;* * ;* AUXILIARY ROUTINE * ;* * ;******************************************************** ; ; DESTRUCTIVE READ ; AUX_READ_P PROC FAR AUX_READ: PUSH CS POP DS PUSH CX PUSH DI CLD MOV BIOS_FLAG,1 MOV BL,ASS_READER ;GET DEV_NO XOR BH,BH SHL BX,1 ;WORD POINTER CALL INP_DEV_TBL[BX] ;CALL FLUSH SUBROUTINE POP DI POP CX STOSB LOOP AUX_READ RET AUX_READ_P ENDP ; ; NON-DESTRUCTIVE READ ; AUX_RDND_P PROC FAR AUX_RDND: PUSH CS POP DS CLD MOV BIOS_FLAG,1 MOV BL,ASS_READER XOR BH,BH SHL BX,1 CALL INP_STS_TBL[BX] ;CALL I/O SUBROUTINE RET AUX_RDND_P ENDP ; ; FLUSH INPUT BUFFER ; AUX_FLSH_P PROC FAR AUX_FLSH: PUSH CS POP DS CLD MOV BIOS_FLAG,1 MOV BL,ASS_READER ;GET DEV-NO XOR BH,BH SHL BX,1 CALL INP_FLS_TBL[BX] ;CALL FLUSH SUBROUTINE RET AUX_FLSH_P ENDP ; ; WRITE ; ;----------------------------------------------- DUMMY DEVICE 870826 ------ AUX_WRIT_DUM: AUX_WRST_DUM: AUX_FLSH_DUM: AUX_READ_DUM: AUX_RDND_DUM: MOV AL,02H ;NOT READY JMP ERR_EXIT ;ERROR RETURN ;-------------------------------------------------------------------------- AUX_WRIT_P PROC FAR AUX_WRIT: PUSH CS POP DS MOV SI,DI AUX_WRIT1: LODS BYTE PTR ES:[SI] CALL AUXOUT LOOP AUX_WRIT1 RET AUX_WRIT_P ENDP AUXOUT: PUSH CS POP DS PUSH CX PUSH SI MOV BIOS_FLAG,1 XCHG AL,CL MOV BL,ASS_PUNCH ;GET DEV-NO MOV OUT_RTN_CNT,BL MOV BX,OFFSET ASS_PUNCH+1 MOV OUT_NXT_PTR,BX CALL OUT_ASSIGN CALL DWORD PTR CS:[STOP_CHK_RTN] POP SI POP CX RET ; ; WRITE STATUS ; AUX_WRST_P PROC FAR AUX_WRST: CLD PUSH CS POP DS MOV BIOS_FLAG,1 MOV BL,ASS_PUNCH ;GET DEV-NO MOV OUT_RTN_CNT,BL MOV BX,OFFSET ASS_PUNCH+1 MOV OUT_NXT_PTR,BX MOV STS_SAVE,0 CALL STS_ASSIGN CALL DWORD PTR CS:[STOP_CHK_RTN] MOV AX,STS_SAVE RET AUX_WRST_P ENDP PAGE ;******************************************************** ;* * ;* PRINTER ROUTINE * ;* * ;******************************************************** ; ; WRITE ; ;-------------------------------------------------- DUMMY DEVICE 870826 -- PRN_WRIT_DUM: PRN_WRST_DUM: MOV AL,02H ;NOT READY JMP ERR_EXIT ;ERROR RETURN ;------------------------------------------------------------------------- PRNWRITP PROC FAR PRN_WRIT: PUSH CS POP DS MOV SI,DI PRN_WRIT1: LODS BYTE PTR ES:[SI] CALL NEAR PTR LISTOUT LOOP PRN_WRIT1 RET PRNWRITP ENDP LISTOUTP PROC NEAR LISTOUT: PUSH CS POP DS PUSH CX PUSH SI CLD MOV BIOS_FLAG,1 XCHG AL,CL MOV BL,ASS_LISTOUT ;GET DEV-NO MOV OUT_RTN_CNT,BL MOV BX,OFFSET ASS_LISTOUT+1 MOV OUT_NXT_PTR,BX ;SAVE POINTER CALL OUT_ASSIGN CALL dword ptr CS:[STOP_CHK_rtn] POP SI POP CX RET LISTOUTP ENDP ; WRITE STATUS ; PRNWRSTP PROC FAR PRN_WRST: CLD PUSH CS POP DS MOV BIOS_FLAG,1 MOV BL,ASS_LISTOUT ;GET DEV-NO. MOV OUT_RTN_CNT,BL MOV BX,OFFSET ASS_LISTOUT +1 MOV OUT_NXT_PTR,BX ;SAVE POINTER MOV STS_SAVE,0 CALL NEAR PTR STS_ASSIGN CALL DWORD PTR CS:[STOP_CHK_RTN] MOV AX,STS_SAVE RET PRNWRSTP ENDP PAGE ;******************************************************** ;* * ;* CLOCK ROUTINE * ;* * ;******************************************************** ; CLK_READ: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR cs:[CLK_READ_RTN] CLK_WRIT: ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- JMP DWORD PTR cs:[CLK_WRIT_RTN] PAGE ;******************************************************** ;* * ;* SUBROUTINES * ;* * ;******************************************************** ; OUT_ASSIGN: PUSH CS POP DS MOV BL,[BX] XOR BH,BH SHL BX,1 PUSH CX ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL OUT_DEV_TBL[BX] POP CX SUB OUT_RTN_CNT,1 JZ OUT_ASS_DONE INC OUT_NXT_PTR MOV BX,OUT_NXT_PTR JMP SHORT OUT_ASSIGN OUT_ASS_DONE: RET STS_ASSIGN: PUSH CS POP DS MOV BL,[BX] XOR BH,BH SHL BX,1 ;--------------------------------------------------------- DOS5 90/12/17 -- cmp inHMA,0 jz @f call EnsureA20On ; assure a20 enabled ;M001 @@: ;-------------------------------------------------------------------------- CALL OUT_STS_TBL[BX] OR STS_SAVE,AX SUB OUT_RTN_CNT,1 JZ STS_ASS_DONE INC OUT_NXT_PTR MOV BX,OUT_NXT_PTR JMP SHORT STS_ASSIGN STS_ASS_DONE: RET ;******************************************************** ;* * ;* DUMMY DEVICE * ;* * ;******************************************************** ; DUMMRDY: MOV AX,0100H DUMMOUT: RET ; M001 - BEGIN ;************************************************************************ ;* * ;* EnsureA20On - ensure that a20 is enabled if we're running * ;* in the HMA before interrupt entry points into Bios_Code * ;* * ;************************************************************************ HiMem label dword dw 90h dw 0ffffh LoMem label dword dw 80h dw 0h EnsureA20On proc near assume ds:nothing,es:nothing ;----------------------------------------------- DOS5 91/02/22 ------- push ds push es push cx push si push di lds si, HiMem les di, LoMem mov cx, 8 rep cmpsw pop di pop si pop cx pop es pop ds jz ea_enable ret ;--------------------------------------------------------------------- ; call IsA20Off ; jz ea_enable ; ret ; ;EnableA20 proc near ; M041 ;--------------------------------------------------------------------- ea_enable: push ax push bx mov ah,5 ; localenablea20 call xms pop bx pop ax bie_done: ret EnsureA20On endp ; ; M001 - END ;----------------------------------------------- DOS5 91/02/22 ------ ;; M041 : BEGIN ;; ; ;BEFORE_HMA proc near ; cmp inHMA, 0 ; M041 ; jz skipa20 ; M041 ; cmp HMAinprogress,0 ; jne @f ; mov A20WasOff, 0 ; M041 Assume A20 ON ; call IsA20off ; M041 A20 Off? ; jnz @f ; M041 ; mov A20WasOff, 0ffh ; M041 Yes ; call EnableA20 ; assure a20 enabled ;M001 ;@@: ; inc HMAinprogress ;skipa20: ; ret ;BEFORE_HMA endp ; ; ;AFTER_HMA proc near ; pushf ; M041 ; cmp inHMA, 0 ; jz @f ; dec HMAinprogress ; jnz @f ; cmp A20WasOff, 0 ; M041 ; jz @f ; M041 ; call DisableA20 ; M041 ;@@: ; M041 ; popf ; M041 ; ret ;AFTER_HMA endp ; ;;---------------------------------------------------------------------------- ;; ;; procedure : IsA20Off ;; ;;---------------------------------------------------------------------------- ;; ;IsA20Off proc near ; push ds ; push es ; push cx ; push si ; push di ; lds si, HiMem ; les di, LoMem ; mov cx, 8 ; rep cmpsw ; pop di ; pop si ; pop cx ; pop es ; pop ds ; ret ;IsA20Off endp ; ;; ;;---------------------------------------------------------------------------- ;; ;; procedure : DisableA20 ;; ;;---------------------------------------------------------------------------- ;; ;DisableA20 proc near ; push ax ; push bx ; mov ah,6 ; localdisable a20 ; call xms ; pop bx ; pop ax ; ret ;DisableA20 endp ; ;; M041 : END ;----------------------------------------------------------------------- ;********************************************************************* ;* ;* PATCH AREA ;* ;********************************************************************* PATCH_AREA_START: ;----------------------------------------------- DOS5 92/02/04 ------- ; extrn FILESEMM386EXE:byte public patch03 remchar db "REM " noems db "NOEMS" noems_flg db 0 patch03: ;called from readdos push di rep cmpsb jnz reduce_mm pop di push di mov cx,di mov al,0dh std repnz scasb cld jcxz xxx inc di @@: inc di xxx: cmp byte ptr es:[di],0ah je @b cmp byte ptr es:[di]," " je @b push si mov si,offset remchar mov cx,4 repz cmpsb pop si jz dont_reduce_mm ;it's a REM cmp si,offset FILESEMM386EXE db 90h,90h ; jae @f xor cx,cx jmp short reduce_mm @@: pop di push di @@: cmp byte ptr es:[di],"/" je chk_noems cmp byte ptr es:[di],0dh je reduce_mm cmp byte ptr es:[di],1ah je reduce_mm inc di jmp @b chk_noems: mov [noems_flg],1 ;assume /NOEMS inc di mov si,offset noems mov cx,5 repz cmpsb jz dont_reduce_mm ;has a /NOEMS option mov [noems_flg],0 ;clear /NOEMS jmp @b dont_reduce_mm: add cx,1 ;nonzero reduce_mm: pop di ret ;patch04: ; called from sysconf ; jb got_mm ; cmp byte ptr cs:[noems_flg],1 ; je got_mm ; sub ax,64 ;got_mm: ; retf ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5A 92/04/08 ------ ; Win386_Info equ 0fe2h ;addr of MSDOS.SYS Win386_Info i2f_patch: jne @f jmp handle_multmult @@: cmp ax,4b05h je switcher_func jmp i2f_iret switcher_func: push ds push cs pop ds assume ds:Bios_Data mov word ptr [SI_Next], bx ; Hook our structure into chain mov word ptr [SI_Next + 2], es mov bx, offset Win386_SI ; point ES:BX to Win386_SI push ds ; pop es ; mov word ptr [Sw_Next], bx ; Hook our structure into chain mov word ptr [Sw_Next + 2], es mov bx, offset Switcher_SI ; point ES:BX to Switcher_SI mov es,[SEG_DOS] ;MSDOS.SYS data segment mov word ptr es:[Win386_Info+2],bx mov word ptr es:[Win386_Info+4],ds mov bx,Win386_Info pop ds jmp i2f_iret assume ds:nothing Switcher_SI label byte ; Startup Info for Switcher Sw_Version db 3, 0 ; for Win386 3.0 Sw_Next dd ? ; pointer to next info structure dd 0 ; a field we don't need dd 0 ; another field we don't need Sw_Instance dw Instance_Table2, Bios_Data ; far pointer to instance table ; ; This table gives Switcher the instance data ; Instance_Table2 label dword dw 00H,00H ; INTERRUPT VECTOR dw 0400h ; ...400h bytes dd 0 ; terminate the instance table dw 9*3 dup (0) ; patch area for instance table ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5A 92/04/17 ------ ; public patch2k_2 patch2k_2: mov cx,[HD_LNG] @@: cmp cx,256 je @f shl ax,1 rcl dx,1 shr cx,1 jmp @b @@: ret ;--------------------------------------------------------------------- ;----------------------------------------------- DOS5 92/07/08 ------- ; assume ds:Bios_Data public patch05 patch05 proc far mov ds,word ptr [PR_HEADER+2] call dword ptr cs:[PR_HEADER] ret patch05 endp ;--------------------------------------------------------------------- public DSK_144, mode3_fd, thisdrv_3mode ;1.44MBFD (IBM PS/2 FORMAT (18SECTOR/TRACK)) DSK_144 dw 512 ;SECTOR LENGTH db 1 ;SECTOR/ALLOC UNIT dw 1 ;RESERVED SECTOR db 2 ;FATS dw 0e0h ;DIRECTORY ENTRY dw 0b40h ;total sec db 0f0h ;MEDIA TYPE dw 9 ;SECTOR/FAT dw 12h ;sec/trk dw 2 ;heads dd 0 ;hidden sec dd 0 ;large total sec mode3_fd db 0 thisdrv_3mode db 0 ;--------------- extrn patch144_d2_ret:near, SKIP_SBT:near public patch144_d2 patch144_d2: jne @f ;not 640kb media on 1MB I/F pop ax jmp patch144_d2_ret @@: cmp al,30h ;1.44MB media on 1MB I/F? pop ax jne @f xor al,0a0h ;yes, treat as 9xh @@: jmp SKIP_SBT ;--------------------------------------------------------------------- PATCH_AREA: DB 512 - (PATCH_AREA - PATCH_AREA_START ) DUP (0) ;********************************************************************* ;* ;* DISPOSABLE BDS AREA ;* ;********************************************************************* PUBLIC BDS21 BDS21 DW BDS22 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE21: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT21 DW 0 ;Open Ref. Count ;;;;;VOLID21 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS21 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB21 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK21 DB -1 ;Last track accessed on this drive TIM_LO21 DW -1 ;Keep these two contiguous (?) TIM_HI21 DW -1 ;------------------------------------------------------------------------------ VOLID21 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS22 DW BDS23 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE22: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT22 DW 0 ;Open Ref. Count ;;;;;VOLID22 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS22 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB22 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK22 DB -1 ;Last track accessed on this drive TIM_LO22 DW -1 ;Keep these two contiguous (?) TIM_HI22 DW -1 ;------------------------------------------------------------------------------ VOLID22 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS23 DW BDS24 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE23: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT23 DW 0 ;Open Ref. Count ;;;;;VOLID23 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS23 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB23 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK23 DB -1 ;Last track accessed on this drive TIM_LO23 DW -1 ;Keep these two contiguous (?) TIM_HI23 DW -1 ;------------------------------------------------------------------------------ VOLID23 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS24 DW BDS25 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE24: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT24 DW 0 ;Open Ref. Count ;;;;;VOLID24 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS24 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB24 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK24 DB -1 ;Last track accessed on this drive TIM_LO24 DW -1 ;Keep these two contiguous (?) TIM_HI24 DW -1 ;------------------------------------------------------------------------------ VOLID24 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS25 DW BDS26 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE25: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT25 DW 0 ;Open Ref. Count ;;;;;VOLID25 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS25 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB25 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK25 DB -1 ;Last track accessed on this drive TIM_LO25 DW -1 ;Keep these two contiguous (?) TIM_HI25 DW -1 ;------------------------------------------------------------------------------ VOLID25 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ BDS26 DW -1 ;Link to next structure DW DATAGRP DB 25 ;ROM DISK INT Drive Number DB 0 ;Logical Drive Letter FDRIVE26: DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors DB 0FEH ;Media descriptor 89/07/24 DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ DB 0 ; TRUE => Large fats OPCNT26 DW 0 ;Open Ref. Count ;;;;;VOLID26 DB "NO NAME ",0 ;Volume ID for this disk DB 4 ;Form Factor 89/07/24 FLAGS26 DW 0022H ;Various Flags 89/07/24 ; DB 9 dup (0) ;Reserved for future use dw 77 ; number of cylinders RecBPB26 DW 1024 ;Physical sector size in bytes DB 1 ;Sectors/allocation unit DW 1 ;Reserved sectors for DOS DB 2 ;No. allocation tables DW 192 ;Number directory entries DW 77*8*2 ;Number sectors (at 512 bytes ea.) DB 0FEh ;Media descriptor, initially 00H. DW 2 ;Number of FAT sectors DW 8 ;Sector limit DW 2 ;Head limit 89/07/24 DW 0 ;Hidden sector count ;------------------------------------------------------------------------------ dw 0 ; hidden sector (high) dw 0 ; number sectors (low) dw 0 ; number sectors (high) ;------------------------------------------------------------------------------ ;;;;; DB 0 ; TRUE => Large fats ;;;;; db 11 dup (?) ; filler for balance db 6 dup (?) ; filler for balance TRACK26 DB -1 ;Last track accessed on this drive TIM_LO26 DW -1 ;Keep these two contiguous (?) TIM_HI26 DW -1 ;------------------------------------------------------------------------------ VOLID26 db "NO NAME ",0 ; volume id for this disk dd 0 ; current volume serial from boot record db "FAT12 ",0 ; current file system id from boot record ;------------------------------------------------------------------------------ ;----------------------------------------------- DOS5 91/02/20 ------- ;* ;* These are disposable data used only in initial time ;* public B_DATA_END, HD_MEDIA, HDS_MEDIA B_DATA_END LABEL WORD HD_MEDIA DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HD_MEDIA1 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HD_MEDIA2 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HD_MEDIA3 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA1 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA2 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA3 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA4 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA5 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA6 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id HDS_MEDIA7 DB (4+11+8)*4 DUP (0) ; room for serial num ; volume label, file sys id ;--------------------------------------------------------------------- ;************************************************************************ ;* * ;* END OF BIO2 MODULE * ;* * ;************************************************************************ Bios_data ends Bios_Code segment word public 'Bios_Code' ASSUME CS:BIOS_CODE,DS:datagrp PUBLIC BCode_start PUBLIC BDATA_SEG org 30h ;dos5 vdisk header dummy BCode_start : BDATA_SEG DW 0060H ;************************************************************************ ;* * ;* seg_reinit is called with ax = our new code segment value, * ;* trashes di, cx, es * ;* * ;* cas -- should be made disposable! * ;* * ;************************************************************************ public seg_reinit seg_reinit proc far assume ds:nothing,es:nothing ;----------------------------------------------- DOS5 90/02/19 ------- PUSH DS MOV DS,BDATA_SEG assume ds:Bios_Data TEST DS:[EXFNC_FLG],03H JZ NOT_SUPPORT_ROM XOR CX,CX MOV ES,CX MOV CX,WORD PTR ES:[05EAH] CMP WORD PTR DS:[BIOS_SEG],CX JNE SEG_REINIT10 MOV DI,05EAH STOSW ;OUR SEGMENT -> DISK_PRM0+2 SEG_REINIT10: MOV CX,WORD PTR ES:[05EEH] CMP WORD PTR DS:[BIOS_SEG],CX JNE NOT_SUPPORT_ROM MOV DI,05EEH STOSW ;OUR SEGMENT -> DISK_PRM1+2 NOT_SUPPORT_ROM: POP DS assume ds:nothing ;--------------------------------------------------------------------- mov es,bdata_seg assume es:Bios_Data ;----------------------------------------------- DOS5 90/12/25 ------- MOV ES:[BIOS_SEG],AX ;--------------------------------------------------------------------- mov di,2+offset cdev mov cx,((offset end_BC_entries) - (offset cdev))/4 seg_reinit_1: stosw ; modify Bios_Code entry points inc di inc di loop seg_reinit_1 ret seg_reinit endp ; ; OUTER DRIVER PROCESS ; PRNOUT_FAR PROC FAR PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV AX,0065H ;DUMMY STATE CMP ES:PR_HEADER+2,0 JE PRNOUT10 MOV DS,ES:PR_HEADER+2 MOV ES:WORD PTR PR_HEADER,15H ;SET OFFSET TO PROUT CALL ES:DWORD PTR PR_HEADER PRNOUT10: POP ES POP DS RET PRNOUT_FAR ENDP PRNRDY_FAR PROC FAR PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV AX,6500H ;DUMMY STATE CMP ES:PR_HEADER+2,0 JE PRNRDY10 MOV DS,ES:PR_HEADER+2 MOV ES:WORD PTR PR_HEADER,12H ;SET OFFSET TO PRRDY CALL ES:DWORD PTR PR_HEADER PRNRDY10: POP ES POP DS RET PRNRDY_FAR ENDP ;*******86/09/23******** ; ; DRIVER CALL ROUTINE ; ; ; AUX (CH NO.0) DEVICE DRIVER ENTRY TABLE ; ;----------------------------------------------------- 871019 -------- ;S0IN_ADDR EQU 50H S0IN_ADDR EQU 12H ;--------------------------------------------------------------------- S0STAT_ADDR EQU S0IN_ADDR + 3 S0FLUSH_ADDR EQU S0STAT_ADDR + 3 S0OUT_ADDR EQU S0FLUSH_ADDR + 3 S0RDY_ADDR EQU S0OUT_ADDR + 3 S0IN_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S0IN_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX_HEADER,S0IN_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S0IN_10: RET S0IN_FAR ENDP S0STAT_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S0STAT_20 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX_HEADER,S0STAT_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS JZ S0STAT_10 ;BUSY ? MOV AH,01H ;NO , SET DON JMP SHORT S0STAT_20 S0STAT_10: MOV AH,03H ;SET BUSY S0STAT_20: RET S0STAT_FAR ENDP S0FLUSH_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S0FLUSH_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX_HEADER,S0FLUSH_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S0FLUSH_10: RET S0FLUSH_FAR ENDP S0OUT_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S0OUT_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX_HEADER,S0OUT_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S0OUT_10: RET S0OUT_FAR ENDP S0RDY_FAR PROC FAR PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV AX,0300H ;SET DUMMY STATUS (BUSY) CMP ES:WORD PTR AUX_HEADER+2,0 ;DOES AUX DEVICE DRIVER EXIST ? JE S0RDY_10 ;NO MOV DS,ES:AUX_HEADER+2 ;RDYT SEGMENT ADDRESS MOV ES:WORD PTR AUX_HEADER,S0RDY_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX_HEADER ;CALL AUX DEVICE DRIVER S0RDY_10: POP ES POP DS RET S0RDY_FAR ENDP ; ;AUX (CH NO.1) DEVICE DRIVER ENTRY TABLE ; S1IN_ADDR EQU 60H S1STAT_ADDR EQU S1IN_ADDR + 3 S1FLUSH_ADDR EQU S1STAT_ADDR + 3 S1OUT_ADDR EQU S1FLUSH_ADDR + 3 S1RDY_ADDR EQU S1OUT_ADDR + 3 S1IN_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S1IN_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX1_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX1_HEADER,S1IN_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX1_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S1IN_10: RET S1IN_FAR ENDP S1STAT_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S1STAT_20 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX1_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX1_HEADER,S1STAT_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX1_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS JZ S1STAT_10 ;BUSY ? MOV AH,01H ;NO , SET DON JMP SHORT S1STAT_20 S1STAT_10: MOV AH,03H ;SET BUSY S1STAT_20: RET S1STAT_FAR ENDP S1FLUSH_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S1FLUSH_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX1_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX1_HEADER,S1FLUSH_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX1_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S1FLUSH_10: RET S1FLUSH_FAR ENDP S1OUT_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S1OUT_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX1_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX1_HEADER,S1OUT_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX1_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S1OUT_10: RET S1OUT_FAR ENDP S1RDY_FAR PROC FAR PUSH DS PUSH ES MOV ES,cs:[bdata_seg] MOV AX,0300H ;SET DUMMY STATUS (BUSY) CMP ES:WORD PTR AUX1_HEADER+2,0 ;DOES AUX DEVICE DRIVER EXIST ? JE S1RDY_10 ;NO MOV DS,ES:AUX1_HEADER+2 ;RDYT SEGMENT ADDRESS MOV ES:WORD PTR AUX1_HEADER,S1RDY_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX1_HEADER ;CALL AUX DEVICE DRIVER S1RDY_10: POP ES POP DS RET S1RDY_FAR ENDP ;AUX (CH NO.2) DEVICE DRIVER ENTRY TABLE S2IN_ADDR EQU 70H S2STAT_ADDR EQU S2IN_ADDR + 3 S2FLUSH_ADDR EQU S2STAT_ADDR + 3 S2OUT_ADDR EQU S2FLUSH_ADDR + 3 S2RDY_ADDR EQU S2OUT_ADDR + 3 S2IN_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S2IN_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX2_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX2_HEADER,S2IN_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX2_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S2IN_10: RET S2IN_FAR ENDP S2STAT_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S2STAT_20 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX2_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX2_HEADER,S2STAT_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX2_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS JZ S2STAT_10 ;BUSY ? MOV AH,01H ;NO , SET DON JMP SHORT S2STAT_20 S2STAT_10: MOV AH,03H ;SET BUSY S2STAT_20: RET S2STAT_FAR ENDP S2FLUSH_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S2FLUSH_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX2_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX2_HEADER,S2FLUSH_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX2_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S2FLUSH_10: RET S2FLUSH_FAR ENDP S2OUT_FAR PROC FAR CALL CHK_AUX_DRV ;CHECK AUX DEVICE DRIVER JZ S2OUT_10 ;NO DRIVER PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV DS,ES:AUX2_HEADER+2 ;SET SEGMENT ADDRESS MOV ES:WORD PTR AUX2_HEADER,S2OUT_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX2_HEADER ;CALL AUX DEVICE DRIVER POP ES POP DS MOV AH,01H ;SET DON S2OUT_10: RET S2OUT_FAR ENDP S2RDY_FAR PROC FAR PUSH DS PUSH ES MOV ES,CS:[BDATA_SEG] MOV AX,0300H ;SET DUMMY STATUS (BUSY) CMP ES:WORD PTR AUX2_HEADER+2,0 ;DOES AUX DEVICE DRIVER EXIST ? JE S2RDY_10 ;NO MOV DS,ES:AUX2_HEADER+2 ;RDYT SEGMENT ADDRESS MOV ES:WORD PTR AUX2_HEADER,S2RDY_ADDR ;SET ENTRY OFFSET ADDRESS CALL ES:DWORD PTR AUX2_HEADER ;CALL AUX DEVICE DRIVER S2RDY_10: POP ES POP DS RET S2RDY_FAR ENDP CHK_AUX_DRV: PUSH ES MOV ES,CS:[BDATA_SEG] CMP ES:WORD PTR AUX_HEADER+2,0 ;DOES AUX DEVICE DRIVER EXIST ? POP ES JE CHK_AUX_DRV_10 ;NO RET ;EXIT CONDITION ZF = 0 CHK_AUX_DRV_10: MOV AX,8103H ;SET DUMMY STATUS (NOT READY) RET ;EXIT CONDITION ZF = 1 ;*******86/09/23******** ;******************************************************** ;* * ;* CLOCK ROUTINE * ;* * ;******************************************************** ; CLK_READ_CODERTN: CALL GETDATE STOSW MOV AX,CX STOSW MOV AX,DX STOSW JMP EXITRTN CLK_WRIT_CODERTN: MOV SI,DI LODS WORD PTR ES:[SI] CALL SETDATE LODS WORD PTR ES:[SI] MOV CX,AX LODS WORD PTR ES:[SI] MOV DX,AX CALL SETTIME JMP EXITRTN Bios_Code ends END