122 lines
3.1 KiB
PHP
122 lines
3.1 KiB
PHP
;---------------------------- Include File Header ---------------------------;
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; lines.inc
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;
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; Line drawing constants and structures.
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;
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; NOTE: This file mirrors LINES.H. Changes here must be reflected in
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; the .h file!
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;
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;----------------------------------------------------------------------------;
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STYLE_MAX_COUNT equ 16
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STYLE_MAX_VALUE equ 3fffh
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RUN_MAX equ 20
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STRIP_MAX equ 100
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STYLE_DENSITY equ 3
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; Flip and round flags:
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FL_H_ROUND_DOWN equ 00000080h
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FL_V_ROUND_DOWN equ 00008000h
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FL_FLIP_D equ 00000005h
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FL_FLIP_V equ 00000008h
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FL_FLIP_SLOPE_ONE equ 00000010h
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FL_FLIP_HALF equ 00000002h
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FL_FLIP_H equ 00000200h
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FL_ROUND_MASK equ 0000001ch
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FL_ROUND_SHIFT equ 2
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FL_RECTLCLIP_MASK equ 0000000ch
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FL_RECTLCLIP_SHIFT equ 2
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FL_STRIP_MASK equ 00000003h
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FL_STRIP_SHIFT equ 0
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FL_SIMPLE_CLIP equ 00000020h
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FL_COMPLEX_CLIP equ 00000040h
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FL_CLIP equ (FL_SIMPLE_CLIP + FL_COMPLEX_CLIP)
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FL_ARBITRARYSTYLED equ 00000400h
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FL_MASKSTYLED equ 00000800h
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FL_STYLED equ (FL_ARBITRARYSTYLED + FL_MASKSTYLED)
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FL_ALTERNATESTYLED equ 00001000h
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FL_STYLE_MASK equ 00000C00h
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FL_STYLE_SHIFT equ 10
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; Simple flag bits in high byte:
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FL_DONT_DO_HALF_FLIP equ 00002000h
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FL_PHYSICAL_DEVICE equ 00004000h
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; Miscellaneous DDA defines:
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F equ 16
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FLOG2 equ 4
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STRIPS struc
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; Updated by strip drawers:
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ST_pjScreen dd ?
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ST_jBitMask db ?
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ST_jFiller1 db 3 dup(?) ; jBitMask sometimes treated as a dword
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ST_jStyleMask db ?
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ST_jFiller2 db 3 dup(?) ; jStyleMask sometimes treated as a dword
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ST_psp dd ?
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ST_spRemaining dd ?
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; Not modified by strip drawers:
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ST_lNextScan dd ?
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ST_plStripEnd dd ? ; usually won't be valid
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ST_flFlips dd ?
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ST_pspStart dd ?
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ST_pspEnd dd ?
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ST_ulBitmapROP dd ?
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ST_xyDensity dd ?
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; We leave room for a couple of extra dwords at the end of the strips
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; array that can be used by the strip drawers:
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ST_alStrips dd (STRIP_MAX + 2) dup (?)
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STRIPS ends
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LINESTATE struc
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LS_spTotal dd ?
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LS_spTotal2 dd ?
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LS_spNext dd ?
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LS_spComplex dd ?
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LS_aspRtoL dd ?
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LS_aspLtoR dd ?
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LS_xyDensity dd ?
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LS_cStyle dd ?
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LS_ulStyleMaskLtoR dd ?
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LS_ulStyleMaskRtoL dd ?
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LS_jStartMask db ?
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LS_filler3 db 3 dup (?)
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LS_apfnStrip dd ?
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; Used for 2 pass ROPs and/or DFBs:
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LS_iColor dd ?
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LS_ulVgaMode dd ?
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LS_ulDrawModeIndex dd ?
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LS_ulBitmapROP dd ?
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LS_lNextPlane dd ?
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LINESTATE ends
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RUN struc
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RUN_iStart dd ?
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RUN_iStop dd ?
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RUN ends
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