; "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman ; Ken Silverman's official web site: "http://www.advsys.net/ken" ; See the included license file "BUILDLIC.TXT" for license info. ; ; This file has been modified from Ken Silverman's original release ; by Jonathon Fowler (jf@jonof.id.au) ;CPU 586 SECTION .text %ifdef UNDERSCORES %define asm1 _asm1 %define asm2 _asm2 %define asm3 _asm3 %define asm4 _asm4 %define reciptable _reciptable %define fpuasm _fpuasm %define globalx3 _globalx3 %define globaly3 _globaly3 %define ylookup _ylookup %define vplce _vplce %define vince _vince %define palookupoffse _palookupoffse %define bufplce _bufplce %define ebpbak _ebpbak %define espbak _espbak %define pow2char _pow2char %define pow2long _pow2long %define globaltilesizy _globaltilesizy %define sethlinesizes _sethlinesizes %define prosethlinesizes _prosethlinesizes %define setvlinebpl _setvlinebpl %define setpalookupaddress _setpalookupaddress %define prosetpalookupaddress _prosetpalookupaddress %define setuphlineasm4 _setuphlineasm4 %define hlineasm4 _hlineasm4 %define prohlineasm4 _prohlineasm4 %define prosetuphlineasm4 _prosetupvlineasm %define setupmvlineasm _setupmvlineasm %define setuptvlineasm _setuptvlineasm %define prevlineasm1 _prevlineasm1 %define vlineasm1 _vlineasm1 %define vlineasm1nonpow2 _vlineasm1nonpow2 %define mvlineasm1 _mvlineasm1 %define mvlineasm1nonpow2 _mvlineasm1nonpow2 %define fixtransluscence _fixtransluscence %define settransnormal _settransnormal %define settransreverse _settransreverse %define tvlineasm1 _tvlineasm1 %define tvlineasm1nonpow2 _tvlineasm1nonpow2 %define vlineasm4 _vlineasm4 %define provlineasm4 _provlineasm4 %define setupvlineasm _setupvlineasm %define mvlineasm4 _mvlineasm4 %define setupspritevline _setupspritevline %define spritevline _spritevline %define msetupspritevline _msetupspritevline %define mspritevline _mspritevline %define tsetupspritevline _tsetupspritevline %define tspritevline _tspritevline %define msethlineshift _msethlineshift %define mhline _mhline %define mhlineskipmodify _mhlineskipmodify %define tsethlineshift _tsethlineshift %define thline _thline %define thlineskipmodify _thlineskipmodify %define setuptvlineasm2 _setuptvlineasm2 %define tvlineasm2 _tvlineasm2 %define setupslopevlin2 _setupslopevlin2 ;%define slopevlin2 _slopevlin2 %define setupslopevlin _setupslopevlin %define slopevlin _slopevlin %define setuprhlineasm4 _setuprhlineasm4 %define rhlineasm4 _rhlineasm4 %define setuprmhlineasm4 _setuprmhlineasm4 %define rmhlineasm4 _rmhlineasm4 %define setupqrhlineasm4 _setupqrhlineasm4 %define qrhlineasm4 _qrhlineasm4 %define setupdrawslab _setupdrawslab %define drawslab _drawslab ;%define stretchhline _stretchhline %define mmxoverlay _mmxoverlay %define dep_begin _dep_begin %define dep_end _dep_end %endif ; Some macros to help make cdecl calling easier to manage %macro CDECLBEGIN 1 %if %1 >= 2 push ebx %endif %if %1 >= 3 push ecx %endif %if %1 >= 4 push edx %endif %if %1 >= 5 push esi %endif %if %1 >= 6 push edi %endif %endmacro %macro CDECLEND 1 %if %1 >= 6 pop edi %endif %if %1 >= 5 pop esi %endif %if %1 >= 4 pop edx %endif %if %1 >= 3 pop ecx %endif %if %1 >= 2 pop ebx %endif %endmacro %macro CDECLPARAM 3 ; mov %1, dword [esp + (%2*4+16)] mov %1, dword [esp + ((%2+%3)*4+4)] %endmacro %macro CDECLBEGINSET 1 CDECLBEGIN %1 %assign _offsetted %1-1 %if %1 >= 1 CDECLPARAM eax,0,_offsetted %endif %if %1 >= 2 CDECLPARAM ebx,1,_offsetted %endif %if %1 >= 3 CDECLPARAM ecx,2,_offsetted %endif %if %1 >= 4 CDECLPARAM edx,3,_offsetted %endif %if %1 >= 5 CDECLPARAM esi,4,_offsetted %endif %if %1 >= 6 CDECLPARAM edi,5,_offsetted %endif %endmacro %macro CDECLENDSET 1 CDECLEND %1 %endmacro EXTERN asm1 EXTERN asm2 EXTERN asm3 EXTERN asm4 EXTERN reciptable EXTERN fpuasm EXTERN globalx3 EXTERN globaly3 EXTERN ylookup EXTERN vplce EXTERN vince EXTERN palookupoffse EXTERN bufplce EXTERN ebpbak EXTERN espbak EXTERN pow2char EXTERN pow2long EXTERN globaltilesizy GLOBAL sethlinesizes GLOBAL prosethlinesizes GLOBAL setvlinebpl GLOBAL setpalookupaddress GLOBAL prosetpalookupaddress GLOBAL setuphlineasm4 GLOBAL hlineasm4 GLOBAL prohlineasm4 GLOBAL prosetupvlineasm GLOBAL setupmvlineasm GLOBAL setuptvlineasm GLOBAL prevlineasm1 GLOBAL vlineasm1 GLOBAL vlineasm1nonpow2 GLOBAL mvlineasm1 ;Masked vline GLOBAL mvlineasm1nonpow2 ;Masked vline, non-power-of-2 GLOBAL fixtransluscence GLOBAL settransnormal GLOBAL settransreverse GLOBAL tvlineasm1 ;Masked & transluscent vline GLOBAL tvlineasm1nonpow2 ;Masked & transluscent vline, non-power-of-2 GLOBAL vlineasm4 GLOBAL provlineasm4 GLOBAL setupvlineasm GLOBAL mvlineasm4 GLOBAL setupspritevline GLOBAL spritevline GLOBAL msetupspritevline GLOBAL mspritevline GLOBAL tsetupspritevline GLOBAL tspritevline GLOBAL msethlineshift GLOBAL mhline GLOBAL mhlineskipmodify GLOBAL tsethlineshift GLOBAL thline GLOBAL thlineskipmodify GLOBAL setuptvlineasm2 GLOBAL tvlineasm2 GLOBAL setupslopevlin2 ; GLOBAL slopevlin2 GLOBAL setupslopevlin GLOBAL slopevlin GLOBAL setuprhlineasm4 GLOBAL rhlineasm4 GLOBAL setuprmhlineasm4 GLOBAL rmhlineasm4 GLOBAL setupqrhlineasm4 GLOBAL qrhlineasm4 ;4 pixels in 9 cycles! 2.25 cycles/pixel GLOBAL setupdrawslab GLOBAL drawslab ; GLOBAL stretchhline GLOBAL mmxoverlay GLOBAL dep_begin GLOBAL dep_end dep_begin: ALIGN 16 sethlinesizes: CDECLBEGINSET 3 mov byte [machxbits1+2], al mov byte [machxbits2+2], al mov byte [machxbits3+2], al neg al mov byte [hxsiz1+2], al mov byte [hxsiz2+2], al mov byte [hxsiz3+2], al mov byte [hxsiz4+2], al mov byte [machnegxbits1+2], al mov byte [hysiz1+3], bl mov byte [hysiz2+3], bl mov byte [hysiz3+3], bl mov byte [hysiz4+3], bl mov byte [hmach3a+2], bl mov byte [hmach3b+2], bl mov byte [hmach3c+2], bl mov byte [hmach3d+2], bl mov dword [hoffs1+2], ecx mov dword [hoffs2+2], ecx mov dword [hoffs3+2], ecx mov dword [hoffs4+2], ecx mov dword [hoffs5+2], ecx mov dword [hoffs6+2], ecx mov dword [hoffs7+2], ecx mov dword [hoffs8+2], ecx push edx ;JBF mov edx, -1 mov cl, al sub cl, bl shr edx, cl mov dword [hmach2a+1], edx mov dword [hmach2b+1], edx mov dword [hmach2c+1], edx mov dword [hmach2d+1], edx pop edx ;JBF CDECLENDSET 3 ret ALIGN 16 prosethlinesizes: CDECLBEGINSET 3 mov dword [prohbuf-4], ecx neg eax mov ecx, eax sub eax, ebx mov byte [prohshru-1], al ;bl = 32-al-bl mov eax, -1 shr eax, cl mov ecx, ebx shl eax, cl mov dword [prohand-4], eax ;((-1>>(-oal))<>(32-xbits) adc al, 88h 1 1/2 ;bufplc mov cl, byte [edx+88888888h] 1 1/2 ;paloffs&255 mov bl, byte [ecx+88888888h] 1 1/2 ALIGN 16 hlineasm4: CDECLBEGINSET 6 push ebp lea ebp, [eax+1] cmp ebp, 8 jle near shorthline test edi, 1 jnz short skipthe1byte mov eax, esi hxsiz1: shr eax, 26 hysiz1: shld eax, edx, 6 hoffs1: mov cl, byte [eax+88888888h] pal1: mov bl, byte [ecx+88888888h] sub esi, dword [asm1] sub edx, dword [asm2] mov byte [edi], bl dec edi dec ebp skipthe1byte: test edi, 2 jnz short skipthe2byte mov eax, esi hxsiz2: shr eax, 26 hysiz2: shld eax, edx, 6 hoffs2: mov cl, byte [eax+88888888h] pal2: mov bh, byte [ecx+88888888h] sub esi, dword [asm1] sub edx, dword [asm2] mov eax, esi hxsiz3: shr eax, 26 hysiz3: shld eax, edx, 6 hoffs3: mov cl, byte [eax+88888888h] pal3: mov bl, byte [ecx+88888888h] sub esi, dword [asm1] sub edx, dword [asm2] mov word [edi-1], bx sub edi, 2 sub ebp, 2 skipthe2byte: mov eax, esi machxbits1: shl esi, 6 ;xbits machnegxbits1: shr eax, 32-6 ;32-xbits mov dl, al inc edi add ebx, ebx mov eax, edx jc beginhline64 mov eax, dword [asm1] machxbits2: rol eax, 6 ;xbits mov dword [hmach4a+2], eax mov dword [hmach4b+2], eax mov dword [hmach4c+2], eax mov dword [hmach4d+2], eax mov ebx, eax mov eax, dword [asm2] mov al, bl mov dword [hmach1a+2], eax mov dword [hmach1b+2], eax mov dword [hmach1c+2], eax mov dword [hmach1d+2], eax mov eax, edx jmp beginhline64 ALIGN 16 prebeginhline64: mov dword [edi], ebx beginhline64: hmach3a: rol eax, 6 hmach2a: and eax, 00008888h hmach4a: sub esi, 88888888h hmach1a: sbb edx, 88888888h sub edi, 4 hoffs4: mov cl, byte [eax+88888888h] mov eax, edx hmach3b: rol eax, 6 hmach2b: and eax, 00008888h hmach4b: sub esi, 88888888h hmach1b: sbb edx, 88888888h pal4: mov bh, byte [ecx+88888888h] hoffs5: mov cl, byte [eax+88888888h] mov eax, edx hmach3c: rol eax, 6 pal5: mov bl, byte [ecx+88888888h] hmach2c: and eax, 00008888h shl ebx, 16 hmach4c: sub esi, 88888888h hmach1c: sbb edx, 88888888h hoffs6: mov cl, byte [eax+88888888h] mov eax, edx ;( hmach3d: rol eax, 6 hmach2d: and eax, 00008888h hmach4d: sub esi, 88888888h hmach1d: sbb edx, 88888888h pal6: mov bh, byte [ecx+88888888h] hoffs7: mov cl, byte [eax+88888888h] mov eax, edx sub ebp, 4 nop pal7: mov bl, byte [ecx+88888888h] jnc near prebeginhline64 skipthe4byte: test ebp, 2 jz skipdrawthe2 rol ebx, 16 mov word [edi+2], bx sub edi, 2 skipdrawthe2: test ebp, 1 jz skipdrawthe1 shr ebx, 24 mov byte [edi+3], bl skipdrawthe1: pop ebp CDECLENDSET 6 ret shorthline: test ebp, ebp jz endshorthline begshorthline: mov eax, esi hxsiz4: shr eax, 26 hysiz4: shld eax, edx, 6 hoffs8: mov cl, byte [eax+88888888h] pal8: mov bl, byte [ecx+88888888h] sub esi, dword [asm1] sub edx, dword [asm2] mov byte [edi], bl dec edi dec ebp jnz near begshorthline endshorthline: pop ebp CDECLENDSET 6 ret ;eax: 00000000 00000000 00000000 temp---- ;ebx: 00000000 00000000 00000000 temp---- ;ecx: UUUUUUuu uuuuuuuu uuuuuuuu uuuuuuuu ;edx: VVVVVVvv vvvvvvvv vvvvvvvv vvvvvvvv ;esi: cnt----- -------- -------- -------- ;edi: vid----- -------- -------- -------- ;ebp: paloffs- -------- -------- -------- ;esp: ???????? ???????? ???????? ???????? ALIGN 16 prohlineasm4: CDECLBEGINSET 6 push ebp lea ebp, [ecx+88888888h] prohpala: mov ecx, esi lea esi, [eax+1] sub edi, esi prohbeg: mov eax, ecx shr eax, 20 prohshru: mov ebx, edx shr ebx, 26 prohshrv: and eax, 88888888h prohand: movzx eax, byte [eax+ebx+88888888h] prohbuf: mov al, [eax+ebp] sub ecx, dword [asm1] sub edx, dword [asm2] mov [edi+esi], al dec esi jnz prohbeg pop ebp CDECLENDSET 6 ret ALIGN 16 setupvlineasm: CDECLBEGINSET 1 ;First 2 lines for VLINEASM1, rest for VLINEASM4 mov byte [premach3a+2], al mov byte [mach3a+2], al push ecx mov byte [machvsh1+2], al ;32-shy mov byte [machvsh3+2], al ;32-shy mov byte [machvsh5+2], al ;32-shy mov byte [machvsh6+2], al ;32-shy mov ah, al sub ah, 16 mov byte [machvsh8+2], ah ;16-shy neg al mov byte [machvsh7+2], al ;shy mov byte [machvsh9+2], al ;shy mov byte [machvsh10+2], al ;shy mov byte [machvsh11+2], al ;shy mov byte [machvsh12+2], al ;shy mov cl, al mov eax, 1 shl eax, cl dec eax mov dword [machvsh2+2], eax ;(1<>sh) ;vplc3 = (ebp<<(32-sh))+((edx&65535)<<(16-sh)) machvsh5: shl esi, 88h ;32-sh mov eax, edx machvsh6: shl ebp, 88h ;32-sh and edx, 0000ffffh machvsh7: shr eax, 88h ;sh add esi, eax machvsh8: shl edx, 88h ;16-sh add ebp, edx mov dword [vplce+12], esi mov dword [vplce+4], ebp pop ebp CDECLEND 6 ret ;eax: -------temp1------- ;ebx: -------temp2------- ;ecx: ylo4 --------- ;edx: ylo2 --------- ;esi: yhi1 yhi2 ;edi: ---videoplc/cnt---- ;ebp: yhi3 yhi4 ;esp: ALIGN 16 provlineasm4: CDECLBEGIN 6 CDECLPARAM ecx,0,5 CDECLPARAM edi,1,5 push ebp mov eax, dword [ylookup+ecx*4] add eax, edi mov dword [promachvline4end1+2], eax inc eax mov dword [promachvline4end2+2], eax inc eax mov dword [promachvline4end3+2], eax inc eax mov dword [promachvline4end4+2], eax sub eax, 3 sub edi, eax mov eax, dword [bufplce] mov ebx, dword [bufplce+4] mov ecx, dword [bufplce+8] mov edx, dword [bufplce+12] mov dword [promachvbuf1+3], ecx mov dword [promachvbuf2+3], edx mov dword [promachvbuf3+3], eax mov dword [promachvbuf4+3], ebx mov eax, dword [palookupoffse] mov ebx, dword [palookupoffse+4] mov ecx, dword [palookupoffse+8] mov edx, dword [palookupoffse+12] mov dword [promachvpal1+2], ecx mov dword [promachvpal2+2], edx mov dword [promachvpal3+2], eax mov dword [promachvpal4+2], ebx ; ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ;edx: ³v3lo ³v1lo ³ ; ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄ´ ;esi: ³v2hi v2lo ³ v3hi³ ; ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÅÄÄÄÄÄÄÄ´ ;ebp: ³v0hi v0lo ³ v1hi³ ; ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÙ mov ebp, dword [vince] mov ebx, dword [vince+4] mov esi, dword [vince+8] mov eax, dword [vince+12] and esi, 0fffffe00h and ebp, 0fffffe00h promachvsh9: rol eax, 88h ;sh promachvsh10: rol ebx, 88h ;sh mov edx, eax mov ecx, ebx shr ecx, 16 and edx, 0ffff0000h add edx, ecx and eax, 000001ffh and ebx, 000001ffh add esi, eax add ebp, ebx ; mov eax, edx and eax, 0ffff0000h mov dword [promachvinc1+2], eax mov dword [promachvinc2+2], esi shl edx, 16 mov dword [promachvinc3+2], edx mov dword [promachvinc5+2], ebp mov ebp, dword [vplce] mov ebx, dword [vplce+4] mov esi, dword [vplce+8] mov eax, dword [vplce+12] and esi, 0fffffe00h and ebp, 0fffffe00h promachvsh11: rol eax, 88h ;sh promachvsh12: rol ebx, 88h ;sh mov edx, eax mov ecx, ebx shr ecx, 16 and edx, 0ffff0000h add edx, ecx and eax, 000001ffh and ebx, 000001ffh add esi, eax add ebp, ebx mov eax, esi mov ecx, edx shl ecx, 16 jmp short probeginvlineasm4 ALIGN 16 nop nop nop probeginvlineasm4: promachvsh1: shr eax, 88h ;32-sh mov ebx, esi promachvsh2: and ebx, 00000088h ;(1<>sh) ;vplc3 = (ebp<<(32-sh))+((edx&65535)<<(16-sh)) promachvsh5: shl esi, 88h ;32-sh mov eax, edx promachvsh6: shl ebp, 88h ;32-sh and edx, 0000ffffh promachvsh7: shr eax, 88h ;sh add esi, eax promachvsh8: shl edx, 88h ;16-sh add ebp, edx mov dword [vplce+12], esi mov dword [vplce+4], ebp pop ebp CDECLEND 6 ret ALIGN 16 mvlineasm4: CDECLBEGIN 6 CDECLPARAM ecx,0,5 CDECLPARAM edi,1,5 push ebp mov eax, dword [bufplce] mov ebx, dword [bufplce+4] mov dword [machmv1+2], eax mov dword [machmv4+2], ebx mov eax, dword [bufplce+8] mov ebx, dword [bufplce+12] mov dword [machmv7+2], eax mov dword [machmv10+2], ebx mov eax, dword [palookupoffse] mov ebx, dword [palookupoffse+4] mov dword [machmv2+2], eax mov dword [machmv5+2], ebx mov eax, dword [palookupoffse+8] mov ebx, dword [palookupoffse+12] mov dword [machmv8+2], eax mov dword [machmv11+2], ebx mov eax, dword [vince] mov ebx, dword [vince+4] xor al, al xor bl, bl mov dword [machmv3+2], eax mov dword [machmv6+2], ebx mov eax, dword [vince+8] mov ebx, dword [vince+12] mov dword [machmv9+2], eax mov dword [machmv12+2], ebx mov ebx, ecx mov ecx, dword [vplce] mov edx, dword [vplce+4] mov esi, dword [vplce+8] mov ebp, dword [vplce+12] mov cl, bl inc cl inc bh mov byte [asm3], bh fixchain2ma: sub edi, 320 jmp short beginmvlineasm4 ALIGN 16 beginmvlineasm4: dec cl jz near endmvlineasm4 beginmvlineasm42: mov eax, ebp mov ebx, esi machmv16: shr eax, 32 machmv15: shr ebx, 32 machmv12: add ebp, 88888888h ;vince[3] machmv9: add esi, 88888888h ;vince[2] machmv10: mov al, byte [eax+88888888h] ;bufplce[3] machmv7: mov bl, byte [ebx+88888888h] ;bufplce[2] cmp al, 255 adc dl, dl cmp bl, 255 adc dl, dl machmv8: mov bl, byte [ebx+88888888h] ;palookupoffs[2] machmv11: mov bh, byte [eax+88888888h] ;palookupoffs[3] mov eax, edx machmv14: shr eax, 32 shl ebx, 16 machmv4: mov al, byte [eax+88888888h] ;bufplce[1] cmp al, 255 adc dl, dl machmv6: add edx, 88888888h ;vince[1] machmv5: mov bh, byte [eax+88888888h] ;palookupoffs[1] mov eax, ecx machmv13: shr eax, 32 machmv3: add ecx, 88888888h ;vince[0] machmv1: mov al, byte [eax+88888888h] ;bufplce[0] cmp al, 255 adc dl, dl machmv2: mov bl, byte [eax+88888888h] ;palookupoffs[0] shl dl, 4 xor eax, eax fixchain2mb: add edi, 320 mov al, dl add eax, mvcase0 jmp eax ;16 byte cases ALIGN 16 endmvlineasm4: dec byte [asm3] jnz near beginmvlineasm42 ;near mov dword [vplce], ecx mov dword [vplce+4], edx mov dword [vplce+8], esi mov dword [vplce+12], ebp pop ebp CDECLEND 6 ret ;5,7,8,8,11,13,12,14,11,13,14,14,12,14,15,7 ALIGN 16 mvcase0: jmp beginmvlineasm4 ALIGN 16 mvcase1: mov byte [edi], bl jmp beginmvlineasm4 ALIGN 16 mvcase2: mov byte [edi+1], bh jmp beginmvlineasm4 ALIGN 16 mvcase3: mov word [edi], bx jmp beginmvlineasm4 ALIGN 16 mvcase4: shr ebx, 16 mov byte [edi+2], bl jmp beginmvlineasm4 ALIGN 16 mvcase5: mov byte [edi], bl shr ebx, 16 mov byte [edi+2], bl jmp beginmvlineasm4 ALIGN 16 mvcase6: shr ebx, 8 mov word [edi+1], bx jmp beginmvlineasm4 ALIGN 16 mvcase7: mov word [edi], bx shr ebx, 16 mov byte [edi+2], bl jmp beginmvlineasm4 ALIGN 16 mvcase8: shr ebx, 16 mov byte [edi+3], bh jmp beginmvlineasm4 ALIGN 16 mvcase9: mov byte [edi], bl shr ebx, 16 mov byte [edi+3], bh jmp beginmvlineasm4 ALIGN 16 mvcase10: mov byte [edi+1], bh shr ebx, 16 mov byte [edi+3], bh jmp beginmvlineasm4 ALIGN 16 mvcase11: mov word [edi], bx shr ebx, 16 mov byte [edi+3], bh jmp beginmvlineasm4 ALIGN 16 mvcase12: shr ebx, 16 mov word [edi+2], bx jmp beginmvlineasm4 ALIGN 16 mvcase13: mov byte [edi], bl shr ebx, 16 mov word [edi+2], bx jmp beginmvlineasm4 ALIGN 16 mvcase14: mov byte [edi+1], bh shr ebx, 16 mov word [edi+2], bx jmp beginmvlineasm4 ALIGN 16 mvcase15: mov dword [edi], ebx jmp beginmvlineasm4 ALIGN 16 setupspritevline: CDECLBEGINSET 6 mov dword [spal+2], eax mov eax, esi ;xinc's shl eax, 16 mov dword [smach1+2], eax mov dword [smach4+2], eax mov eax, esi sar eax, 16 add eax, ebx ;watch out with ebx - it's passed mov dword [smach2+2], eax add eax, edx mov dword [smach5+2], eax mov dword [smach3+2], ecx ;yinc's CDECLENDSET 6 ret ALIGN 16 spritevline: CDECLBEGINSET 6 jmp short spritevline_start ;eax = 0, ebx = x, ecx = cnt, edx = y, esi = yplc, edi = p prestartsvline: smach1: add ebx, 88888888h ;xincshl16 mov al, byte [esi] smach2: adc esi, 88888888h ;xincshr16+yalwaysinc startsvline: spal: mov al, [eax+88888888h] ;palookup mov byte [edi], al fixchain1s: add edi, 320 spritevline_start: smach3: add edx, 88888888h ;dayinc dec ecx ja short prestartsvline ;jump if (no carry (add)) and (not zero (dec))! jz short endsvline smach4: add ebx, 88888888h ;xincshl16 mov al, byte [esi] smach5: adc esi, 88888888h ;xincshr16+yalwaysinc+daydime jmp short startsvline endsvline: CDECLENDSET 6 ret ALIGN 16 msetupspritevline: CDECLBEGINSET 6 mov dword [mspal+2], eax mov eax, esi ;xinc's shl eax, 16 mov dword [msmach1+2], eax mov dword [msmach4+2], eax mov eax, esi sar eax, 16 add eax, ebx ;watch out with ebx - it's passed mov dword [msmach2+2], eax add eax, edx mov dword [msmach5+2], eax mov dword [msmach3+2], ecx ;yinc's CDECLENDSET 6 ret ALIGN 16 mspritevline: CDECLBEGINSET 6 jmp short mspritevline_start ;eax = 0, ebx = x, ecx = cnt, edx = y, esi = yplc, edi = p mprestartsvline: msmach1: add ebx, 88888888h ;xincshl16 mov al, byte [esi] msmach2: adc esi, 88888888h ;xincshr16+yalwaysinc mstartsvline: cmp al, 255 je short mskipsvline mspal: mov al, [eax+88888888h] ;palookup mov byte [edi], al mskipsvline: mfixchain1s: add edi, 320 mspritevline_start: msmach3: add edx, 88888888h ;dayinc dec ecx ja short mprestartsvline ;jump if (no carry (add)) and (not zero (dec))! jz short mendsvline msmach4: add ebx, 88888888h ;xincshl16 mov al, byte [esi] msmach5: adc esi, 88888888h ;xincshr16+yalwaysinc+daydime jmp short mstartsvline mendsvline: CDECLENDSET 6 ret ALIGN 16 tsetupspritevline: CDECLBEGINSET 6 mov dword [tspal+2], eax mov eax, esi ;xinc's shl eax, 16 mov dword [tsmach1+2], eax mov dword [tsmach4+2], eax mov eax, esi sar eax, 16 add eax, ebx ;watch out with ebx - it's passed mov dword [tsmach2+2], eax add eax, edx mov dword [tsmach5+2], eax mov dword [tsmach3+2], ecx ;yinc's CDECLENDSET 6 ret ALIGN 16 tspritevline: CDECLBEGINSET 6 ;eax = 0, ebx = x, ecx = cnt, edx = y, esi = yplc, edi = p push ebp mov ebp, ebx xor ebx, ebx jmp tenterspritevline ALIGN 16 tprestartsvline: tsmach1: add ebp, 88888888h ;xincshl16 mov al, byte [esi] tsmach2: adc esi, 88888888h ;xincshr16+yalwaysinc tstartsvline: cmp al, 255 je short tskipsvline transrev2: mov bh, byte [edi] transrev3: tspal: mov bl, [eax+88888888h] ;palookup tmach4: mov al, byte [ebx+88888888h] ;_transluc mov byte [edi], al tskipsvline: tfixchain1s: add edi, 320 tenterspritevline: tsmach3: add edx, 88888888h ;dayinc dec ecx ja short tprestartsvline ;jump if (no carry (add)) and (not zero (dec))! jz short tendsvline tsmach4: add ebp, 88888888h ;xincshl16 mov al, byte [esi] tsmach5: adc esi, 88888888h ;xincshr16+yalwaysinc+daydime jmp short tstartsvline tendsvline: pop ebp CDECLENDSET 6 ret ALIGN 16 msethlineshift: CDECLBEGINSET 2 neg al mov byte [msh1d+2], al mov byte [msh2d+3], bl mov byte [msh3d+2], al mov byte [msh4d+3], bl mov byte [msh5d+2], al mov byte [msh6d+3], bl CDECLENDSET 2 ret ALIGN 16 mhline: CDECLBEGINSET 6 ;asm1 = bxinc ;asm2 = byinc ;asm3 = shadeoffs ;eax = picoffs ;ebx = bx ;ecx = cnt ;edx = ? ;esi = by ;edi = p mov dword [mmach1d+2], eax mov dword [mmach5d+2], eax mov dword [mmach9d+2], eax mov eax, dword [asm3] mov dword [mmach2d+2], eax mov dword [mmach2da+2], eax mov dword [mmach2db+2], eax mov dword [mmach6d+2], eax mov dword [mmach10d+2], eax mov eax, dword [asm1] mov dword [mmach3d+2], eax mov dword [mmach7d+2], eax mov eax, dword [asm2] mov dword [mmach4d+2], eax mov dword [mmach8d+2], eax jmp short mhlineskipmodify_nosetup ALIGN 16 mhlineskipmodify: CDECLBEGINSET 6 mhlineskipmodify_nosetup: push ebp xor eax, eax mov ebp, ebx test ecx, 00010000h jnz short mbeghline msh1d: shr ebx, 26 msh2d: shld ebx, esi, 6 add ebp, dword [asm1] mmach9d: mov al, byte [ebx+88888888h] ;picoffs add esi, dword [asm2] cmp al, 255 je mskip5 mmach10d: mov cl, byte [eax+88888888h] ;shadeoffs mov byte [edi], cl mskip5: inc edi sub ecx, 65536 jc near mendhline jmp short mbeghline ALIGN 16 mpreprebeghline: ;1st only mov al, cl mmach2d: mov al, byte [eax+88888888h] ;shadeoffs mov byte [edi], al mprebeghline: add edi, 2 sub ecx, 131072 jc near mendhline mbeghline: mmach3d: lea ebx, [ebp+88888888h] ;bxinc msh3d: shr ebp, 26 msh4d: shld ebp, esi, 6 mmach4d: add esi, 88888888h ;byinc mmach1d: mov cl, byte [ebp+88888888h] ;picoffs mmach7d: lea ebp, [ebx+88888888h] ;bxinc msh5d: shr ebx, 26 msh6d: shld ebx, esi, 6 mmach8d: add esi, 88888888h ;byinc mmach5d: mov ch, byte [ebx+88888888h] ;picoffs cmp cl, 255 je short mskip1 cmp ch, 255 je short mpreprebeghline mov al, cl ;BOTH mmach2da: mov bl, byte [eax+88888888h] ;shadeoffs mov al, ch mmach2db: mov bh, byte [eax+88888888h] ;shadeoffs mov word [edi], bx add edi, 2 sub ecx, 131072 jnc short mbeghline jmp mendhline mskip1: ;2nd only cmp ch, 255 je short mprebeghline mov al, ch mmach6d: mov al, byte [eax+88888888h] ;shadeoffs mov byte [edi+1], al add edi, 2 sub ecx, 131072 jnc short mbeghline mendhline: pop ebp CDECLENDSET 6 ret ALIGN 16 tsethlineshift: CDECLBEGINSET 2 neg al mov byte [tsh1d+2], al mov byte [tsh2d+3], bl mov byte [tsh3d+2], al mov byte [tsh4d+3], bl mov byte [tsh5d+2], al mov byte [tsh6d+3], bl CDECLENDSET 2 ret ALIGN 16 thline: CDECLBEGINSET 6 ;asm1 = bxinc ;asm2 = byinc ;asm3 = shadeoffs ;eax = picoffs ;ebx = bx ;ecx = cnt ;edx = ? ;esi = by ;edi = p mov dword [tmach1d+2], eax mov dword [tmach5d+2], eax mov dword [tmach9d+2], eax mov eax, dword [asm3] mov dword [tmach2d+2], eax mov dword [tmach6d+2], eax mov dword [tmach10d+2], eax mov eax, dword [asm1] mov dword [tmach3d+2], eax mov dword [tmach7d+2], eax mov eax, dword [asm2] mov dword [tmach4d+2], eax mov dword [tmach8d+2], eax jmp thlineskipmodify_nosetup ALIGN 16 thlineskipmodify: CDECLBEGINSET 6 thlineskipmodify_nosetup: push ebp xor eax, eax xor edx, edx mov ebp, ebx test ecx, 00010000h jnz short tbeghline tsh1d: shr ebx, 26 tsh2d: shld ebx, esi, 6 add ebp, dword [asm1] tmach9d: mov al, byte [ebx+88888888h] ;picoffs add esi, dword [asm2] cmp al, 255 je tskip5 transrev4: tmach10d: mov dl, byte [eax+88888888h] ;shadeoffs transrev5: mov dh, byte [edi] tmach1: mov al, byte [edx+88888888h] ;_transluc mov byte [edi], al tskip5: inc edi sub ecx, 65536 jc near tendhline jmp short tbeghline ALIGN 16 tprebeghline: add edi, 2 sub ecx, 131072 jc short tendhline tbeghline: tmach3d: lea ebx, [ebp+88888888h] ;bxinc tsh3d: shr ebp, 26 tsh4d: shld ebp, esi, 6 tmach4d: add esi, 88888888h ;byinc tmach1d: mov cl, byte [ebp+88888888h] ;picoffs tmach7d: lea ebp, [ebx+88888888h] ;bxinc tsh5d: shr ebx, 26 tsh6d: shld ebx, esi, 6 tmach8d: add esi, 88888888h ;byinc tmach5d: mov ch, byte [ebx+88888888h] ;picoffs cmp cx, 0ffffh je short tprebeghline mov bx, word [edi] cmp cl, 255 je short tskip1 mov al, cl transrev6: tmach2d: mov dl, byte [eax+88888888h] ;shadeoffs transrev7: mov dh, bl tmach2: mov al, byte [edx+88888888h] ;_transluc mov byte [edi], al cmp ch, 255 je short tskip2 tskip1: mov al, ch transrev8: tmach6d: mov dl, byte [eax+88888888h] ;shadeoffs transrev9: mov dh, bh tmach3: mov al, byte [edx+88888888h] ;_transluc mov byte [edi+1], al tskip2: add edi, 2 sub ecx, 131072 jnc tbeghline tendhline: pop ebp CDECLENDSET 6 ret ;eax=shiftval, ebx=palookup1, ecx=palookup2 ALIGN 16 setuptvlineasm2: CDECLBEGINSET 3 mov byte [tran2shra+2], al mov byte [tran2shrb+2], al mov dword [tran2pala+2], ebx mov dword [tran2palb+2], ecx mov dword [tran2palc+2], ebx mov dword [tran2pald+2], ecx CDECLENDSET 3 ret ;Pass: eax=vplc2, ebx=vinc1, ecx=bufplc1, edx=bufplc2, esi=vplc1, edi=p ; asm1=vinc2, asm2=pend ;Return: asm1=vplc1, asm2=vplc2 ALIGN 16 tvlineasm2: CDECLBEGINSET 6 push ebp mov ebp, eax mov dword [tran2inca+2], ebx mov eax, dword [asm1] mov dword [tran2incb+2], eax mov dword [tran2bufa+2], ecx ;bufplc1 mov dword [tran2bufb+2], edx ;bufplc2 mov eax, dword [asm2] sub edi, eax mov dword [tran2edia+3], eax mov dword [tran2edic+2], eax inc eax mov dword [tran2edie+2], eax fixchaint2a: sub eax, 320 mov dword [tran2edif+2], eax dec eax mov dword [tran2edib+3], eax mov dword [tran2edid+2], eax xor ecx, ecx xor edx, edx jmp short begintvline2 ;eax 0000000000 temp temp ;ebx 0000000000 odat2 odat1 ;ecx 0000000000000000 ndat1 ;edx 0000000000000000 ndat2 ;esi vplc1 ;edi videoplc-------------- ;ebp vplc2 ALIGN 16 ;LEFT ONLY skipdraw2: transrev10: tran2edic: mov ah, byte [edi+88888888h] ;getpixel transrev11: tran2palc: mov al, byte [ecx+88888888h] ;palookup1 fixchaint2d: add edi, 320 tran2trac: mov bl, byte [eax+88888888h] ;_transluc tran2edid: mov byte [edi+88888888h-320], bl ;drawpixel jnc short begintvline2 jmp endtvline2 skipdraw1: cmp dl, 255 jne short skipdraw3 fixchaint2b: add edi, 320 jc short endtvline2 begintvline2: mov eax, esi tran2shra: shr eax, 88h ;globalshift mov ebx, ebp tran2shrb: shr ebx, 88h ;globalshift tran2inca: add esi, 88888888h ;vinc1 tran2incb: add ebp, 88888888h ;vinc2 tran2bufa: mov cl, byte [eax+88888888h] ;bufplc1 cmp cl, 255 tran2bufb: mov dl, byte [ebx+88888888h] ;bufplc2 je short skipdraw1 cmp dl, 255 je short skipdraw2 ;mov ax The transluscent reverse of both! ;mov bl, ah ;mov ah ;mov bh ;BOTH transrev12: tran2edia: mov bx, word [edi+88888888h] ;getpixels transrev13: mov ah, bl transrev14: tran2pala: mov al, byte [ecx+88888888h] ;palookup1 transrev15: tran2palb: mov bl, byte [edx+88888888h] ;palookup2 fixchaint2c: add edi, 320 tran2traa: mov al, byte [eax+88888888h] ;_transluc tran2trab: mov ah, byte [ebx+88888888h] ;_transluc tran2edib: mov word [edi+88888888h-320], ax ;drawpixels jnc short begintvline2 jmp short endtvline2 ;RIGHT ONLY skipdraw3: transrev16: tran2edie: mov ah, byte [edi+88888889h] ;getpixel transrev17: tran2pald: mov al, byte [edx+88888888h] ;palookup2 fixchaint2e: add edi, 320 tran2trad: mov bl, byte [eax+88888888h] ;_transluc tran2edif: mov byte [edi+88888889h-320], bl ;drawpixel jnc short begintvline2 endtvline2: mov dword [asm1], esi mov dword [asm2], ebp pop ebp CDECLENDSET 6 ret BITSOFPRECISION equ 3 BITSOFPRECISIONPOW equ 8 %if 0 ; SLOPEVLIN2 is unused as of 2012-02-26 ;Double-texture mapping with palette lookup ;eax: ylo1------------|----dat|----dat ;ebx: ylo2--------------------|----cnt ;ecx: 000000000000000000000000|---temp ;edx: xhi1-xlo1---------------|---yhi1 ;esi: xhi2-xlo2---------------|---yhi2 ;edi: ------------------------videopos ;ebp: ----------------------------temp ALIGN 16 setupslopevlin2: CDECLBEGINSET 6 mov dword [slop3+2], edx ;ptr mov dword [slop7+2], edx ;ptr mov dword [slop4+2], esi ;tptr mov dword [slop8+2], esi ;tptr mov byte [slop2+2], ah ;ybits mov byte [slop6+2], ah ;ybits mov dword [slop9+2], edi ;pinc mov edx, 1 mov cl, al add cl, ah shl edx, cl dec edx mov cl, ah ror edx, cl mov dword [slop1+2], edx ;ybits...xbits mov dword [slop5+2], edx ;ybits...xbits CDECLENDSET 6 ret ALIGN 16 slopevlin2: CDECLBEGINSET 6 push ebp xor ecx, ecx slopevlin2begin: mov ebp, edx slop1: and ebp, 88000088h ;ybits...xbits slop2: rol ebp, 6 ;ybits add eax, dword [asm1] ;xinc1<>(32-xbits)) slop3: mov cl, byte [ebp+88888888h] ;bufplc mov ebp, esi slop4: mov al, byte [ecx+88888888h] ;paloffs slop5: and ebp, 88000088h ;ybits...xbits slop6: rol ebp, 6 ;ybits add ebx, dword [asm3] ;xinc2<>(32-xbits)) slop8: mov ah, byte [ecx+88888888h] ;paloffs dec bl mov word [edi], ax slop9: lea edi, [edi+88888888h] ;pinc jnz short slopevlin2begin pop ebp mov eax, edi CDECLENDSET 6 ret %endif ; SLOPEVLIN2 %if 0 ALIGN 16 setupslopevlin: CDECLBEGINSET 3 mov dword [slopmach3+3], ebx ;ptr mov dword [slopmach5+2], ecx ;pinc neg ecx mov dword [slopmach6+2], ecx ;-pinc mov edx, 1 mov cl, al shl edx, cl dec edx mov cl, ah shl edx, cl mov dword [slopmach7+2], edx neg ah mov byte [slopmach2+2], ah sub ah, al mov byte [slopmach1+2], ah fild dword [asm1] fstp dword [asm2] CDECLENDSET 3 ret ALIGN 16 slopevlin: CDECLBEGINSET 6 mov dword [ebpbak], ebp mov dword [espbak], esp sub ecx, esp mov dword [slopmach4+3], ecx fild dword [asm3] slopmach6: lea ebp, [eax+88888888h] fadd dword [asm2] mov dword [asm1], ebx shl ebx, 3 mov eax, dword [globalx3] mov ecx, dword [globaly3] imul eax, ebx imul ecx, ebx add esi, eax add edi, ecx mov ebx, edx jmp short bigslopeloop ALIGN 16 bigslopeloop: fst dword [fpuasm] mov eax, dword [fpuasm] add eax, eax sbb edx, edx mov ecx, eax shr ecx, 24 and eax, 00ffe000h shr eax, 11 sub cl, 2 mov eax, dword [reciptable+eax] shr eax, cl xor eax, edx mov edx, dword [asm1] mov ecx, dword [globalx3] mov dword [asm1], eax sub eax, edx mov edx, dword [globaly3] imul ecx, eax imul eax, edx fadd dword [asm2] cmp ebx, BITSOFPRECISIONPOW mov dword [asm4], ebx mov cl, bl jl short slopeskipmin mov cl, BITSOFPRECISIONPOW slopeskipmin: ;eax: yinc............. ;ebx: 0 0 0 ? ;ecx: xinc......... cnt ;edx: ? ;esi: xplc............. ;edi: yplc............. ;ebp: videopos mov ebx, esi mov edx, edi beginnerslopeloop: slopmach1: shr ebx, 20 add esi, ecx slopmach2: shr edx, 26 slopmach7: and ebx, 88888888h add edi, eax slopmach5: add ebp, 88888888h ;pinc slopmach3: mov dl, byte [ebx+edx+88888888h] ;ptr slopmach4: mov ebx, dword [esp+88888888h] sub esp, 4 dec cl mov al, byte [ebx+edx] ;tptr mov ebx, esi mov [ebp], al mov edx, edi jnz short beginnerslopeloop mov ebx, dword [asm4] sub ebx, BITSOFPRECISIONPOW jg near bigslopeloop ffree st0 mov esp, dword [espbak] mov ebp, dword [ebpbak] CDECLENDSET 6 ret ALIGN 16 setuprhlineasm4: CDECLBEGINSET 6 mov dword [rmach1a+2], eax mov dword [rmach1b+2], eax mov dword [rmach1c+2], eax mov dword [rmach1d+2], eax mov dword [rmach1e+2], eax mov dword [rmach2a+2], ebx mov dword [rmach2b+2], ebx mov dword [rmach2c+2], ebx mov dword [rmach2d+2], ebx mov dword [rmach2e+2], ebx mov dword [rmach3a+2], ecx mov dword [rmach3b+2], ecx mov dword [rmach3c+2], ecx mov dword [rmach3d+2], ecx mov dword [rmach3e+2], ecx mov dword [rmach4a+2], edx mov dword [rmach4b+2], edx mov dword [rmach4c+2], edx mov dword [rmach4d+2], edx mov dword [rmach4e+2], edx mov dword [rmach5a+2], esi mov dword [rmach5b+2], esi mov dword [rmach5c+2], esi mov dword [rmach5d+2], esi mov dword [rmach5e+2], esi CDECLENDSET 6 ret ;Non power of 2, non masking, with palookup method #1 (6 clock cycles) ;eax: dat dat dat dat ;ebx: bufplc ;ecx: 0 dat ;edx: xlo ;esi: ylo ;edi: videopos/cnt ;ebp: tempvar ;esp: ALIGN 16 rhlineasm4: CDECLBEGINSET 6 push ebp cmp eax, 0 jle near endrhline lea ebp, [edi-4] sub ebp, eax mov dword [rmach6a+2], ebp add ebp, 3 mov dword [rmach6b+2], ebp mov edi, eax test edi, 3 jz short begrhline jmp short startrhline1 ALIGN 16 startrhline1: mov cl, byte [ebx] ;bufplc rmach1e: sub edx, 88888888h ;xlo sbb ebp, ebp rmach2e: sub esi, 88888888h ;ylo rmach3e: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry rmach4e: mov al, byte [ecx+88888888h] ;palookup rmach5e: and ebp, 88888888h ;tilesizy rmach6b: mov byte [edi+88888888h], al ;vidcntoffs sub ebx, ebp dec edi test edi, 3 jnz short startrhline1 test edi, edi jz near endrhline begrhline: mov cl, byte [ebx] ;bufplc rmach1a: sub edx, 88888888h ;xlo sbb ebp, ebp rmach2a: sub esi, 88888888h ;ylo rmach3a: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry rmach5a: and ebp, 88888888h ;tilesizy sub ebx, ebp rmach1b: sub edx, 88888888h ;xlo sbb ebp, ebp rmach4a: mov ah, byte [ecx+88888888h] ;palookup mov cl, byte [ebx] ;bufplc rmach2b: sub esi, 88888888h ;ylo rmach3b: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry rmach5b: and ebp, 88888888h ;tilesizy rmach4b: mov al, byte [ecx+88888888h] ;palookup sub ebx, ebp shl eax, 16 mov cl, byte [ebx] ;bufplc rmach1c: sub edx, 88888888h ;xlo sbb ebp, ebp rmach2c: sub esi, 88888888h ;ylo rmach3c: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry rmach5c: and ebp, 88888888h ;tilesizy sub ebx, ebp rmach1d: sub edx, 88888888h ;xlo sbb ebp, ebp rmach4c: mov ah, byte [ecx+88888888h] ;palookup mov cl, byte [ebx] ;bufplc rmach2d: sub esi, 88888888h ;ylo rmach3d: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry rmach5d: and ebp, 88888888h ;tilesizy rmach4d: mov al, byte [ecx+88888888h] ;palookup sub ebx, ebp rmach6a: mov dword [edi+88888888h], eax ;vidcntoffs sub edi, 4 jnz near begrhline endrhline: pop ebp CDECLENDSET 6 ret ALIGN 16 setuprmhlineasm4: CDECLBEGINSET 6 mov dword [rmmach1+2], eax mov dword [rmmach2+2], ebx mov dword [rmmach3+2], ecx mov dword [rmmach4+2], edx mov dword [rmmach5+2], esi CDECLENDSET 6 ret ALIGN 16 rmhlineasm4: CDECLBEGINSET 6 push ebp cmp eax, 0 jle short endrmhline lea ebp, [edi-1] sub ebp, eax mov dword [rmmach6+2], ebp mov edi, eax jmp short begrmhline ALIGN 16 begrmhline: mov cl, byte [ebx] ;bufplc rmmach1: sub edx, 88888888h ;xlo sbb ebp, ebp rmmach2: sub esi, 88888888h ;ylo rmmach3: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry rmmach5: and ebp, 88888888h ;tilesizy cmp cl, 255 je short rmskip rmmach4: mov al, byte [ecx+88888888h] ;palookup rmmach6: mov byte [edi+88888888h], al ;vidcntoffs rmskip: sub ebx, ebp dec edi jnz short begrmhline endrmhline: pop ebp CDECLENDSET 6 ret ALIGN 16 setupqrhlineasm4: CDECLBEGINSET 6 mov dword [qrmach2e+2], ebx mov dword [qrmach3e+2], ecx xor edi, edi sub edi, ecx mov dword [qrmach7a+2], edi mov dword [qrmach7b+2], edi add ebx, ebx adc ecx, ecx mov dword [qrmach2a+2], ebx mov dword [qrmach2b+2], ebx mov dword [qrmach3a+2], ecx mov dword [qrmach3b+2], ecx mov dword [qrmach4a+2], edx mov dword [qrmach4b+2], edx mov dword [qrmach4c+2], edx mov dword [qrmach4d+2], edx mov dword [qrmach4e+2], edx CDECLENDSET 6 ret ;Non power of 2, non masking, with palookup method (FASTER BUT NO SBB'S) ;eax: dat dat dat dat ;ebx: bufplc ;ecx: 0 dat ;edx: 0 dat ;esi: ylo ;edi: videopos/cnt ;ebp: ? ;esp: ALIGN 16 qrhlineasm4: CDECLBEGINSET 6 push ebp cmp eax, 0 jle near endqrhline mov ebp, eax test ebp, 3 jz short skipqrhline1 jmp short startqrhline1 ALIGN 16 startqrhline1: mov cl, byte [ebx] ;bufplc dec edi qrmach2e: sub esi, 88888888h ;ylo dec ebp qrmach3e: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry qrmach4e: mov al, byte [ecx+88888888h] ;palookup mov byte [edi], al ;vidcntoffs test ebp, 3 jnz short startqrhline1 test ebp, ebp jz short endqrhline skipqrhline1: mov cl, byte [ebx] ;bufplc jmp short begqrhline ALIGN 16 begqrhline: qrmach7a: mov dl, byte [ebx+88888888h] ;bufplc qrmach2a: sub esi, 88888888h ;ylo qrmach3a: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry qrmach4a: mov ah, byte [ecx+88888888h] ;palookup qrmach4b: mov al, byte [edx+88888888h] ;palookup sub edi, 4 shl eax, 16 mov cl, byte [ebx] ;bufplc qrmach7b: mov dl, byte [ebx+88888888h] ;bufplc qrmach2b: sub esi, 88888888h ;ylo qrmach3b: sbb ebx, 88888888h ;xhi*tilesizy + yhi+ycarry qrmach4c: mov ah, byte [ecx+88888888h] ;palookup qrmach4d: mov al, byte [edx+88888888h] ;palookup mov cl, byte [ebx] ;bufplc mov dword [edi], eax sub ebp, 4 jnz short begqrhline endqrhline: pop ebp CDECLENDSET 6 ret setupdrawslab: CDECLBEGINSET 2 mov dword [voxbpl1+2], eax mov dword [voxbpl2+2], eax mov dword [voxbpl3+2], eax mov dword [voxbpl4+2], eax mov dword [voxbpl5+2], eax mov dword [voxbpl6+2], eax mov dword [voxbpl7+2], eax mov dword [voxbpl8+2], eax mov dword [voxpal1+2], ebx mov dword [voxpal2+2], ebx mov dword [voxpal3+2], ebx mov dword [voxpal4+2], ebx mov dword [voxpal5+2], ebx mov dword [voxpal6+2], ebx mov dword [voxpal7+2], ebx mov dword [voxpal8+2], ebx CDECLENDSET 2 ret ALIGN 16 drawslab: CDECLBEGINSET 6 push ebp cmp eax, 2 je near voxbegdraw2 ja near voxskip2 xor eax, eax voxbegdraw1: mov ebp, ebx shr ebp, 16 add ebx, edx dec ecx mov al, byte [esi+ebp] voxpal1: mov al, byte [eax+88888888h] mov byte [edi], al voxbpl1: lea edi, [edi+88888888h] jnz near voxbegdraw1 pop ebp CDECLENDSET 6 ret voxbegdraw2: mov ebp, ebx shr ebp, 16 add ebx, edx xor eax, eax dec ecx mov al, byte [esi+ebp] voxpal2: mov al, byte [eax+88888888h] mov ah, al mov word [edi], ax voxbpl2: lea edi, [edi+88888888h] jnz near voxbegdraw2 pop ebp CDECLENDSET 6 ret voxskip2: cmp eax, 4 jne near voxskip4 xor eax, eax voxbegdraw4: mov ebp, ebx add ebx, edx shr ebp, 16 xor eax, eax mov al, byte [esi+ebp] voxpal3: mov al, byte [eax+88888888h] mov ah, al shl eax, 8 mov al, ah shl eax, 8 mov al, ah mov dword [edi], eax voxbpl3: add edi, 88888888h dec ecx jnz near voxbegdraw4 pop ebp CDECLENDSET 6 ret voxskip4: add eax, edi test edi, 1 jz near voxskipslab1 cmp edi, eax je near voxskipslab1 push eax push ebx push ecx push edi voxbegslab1: mov ebp, ebx add ebx, edx shr ebp, 16 xor eax, eax mov al, byte [esi+ebp] voxpal4: mov al, byte [eax+88888888h] mov byte [edi], al voxbpl4: add edi, 88888888h dec ecx jnz near voxbegslab1 pop edi pop ecx pop ebx pop eax inc edi voxskipslab1: push eax test edi, 2 jz near voxskipslab2 dec eax cmp edi, eax jge near voxskipslab2 push ebx push ecx push edi voxbegslab2: mov ebp, ebx add ebx, edx shr ebp, 16 xor eax, eax mov al, byte [esi+ebp] voxpal5: mov al, byte [eax+88888888h] mov ah, al mov word [edi], ax voxbpl5: add edi, 88888888h dec ecx jnz near voxbegslab2 pop edi pop ecx pop ebx add edi, 2 voxskipslab2: mov eax, dword [esp] sub eax, 3 cmp edi, eax jge near voxskipslab3 voxprebegslab3: push ebx push ecx push edi voxbegslab3: mov ebp, ebx add ebx, edx shr ebp, 16 xor eax, eax mov al, byte [esi+ebp] voxpal6: mov al, byte [eax+88888888h] mov ah, al shl eax, 8 mov al, ah shl eax, 8 mov al, ah mov dword [edi], eax voxbpl6: add edi, 88888888h dec ecx jnz near voxbegslab3 pop edi pop ecx pop ebx add edi, 4 mov eax, dword [esp] sub eax, 3 cmp edi, eax jl near voxprebegslab3 voxskipslab3: mov eax, dword [esp] dec eax cmp edi, eax jge near voxskipslab4 push ebx push ecx push edi voxbegslab4: mov ebp, ebx add ebx, edx shr ebp, 16 xor eax, eax mov al, byte [esi+ebp] voxpal7: mov al, byte [eax+88888888h] mov ah, al mov word [edi], ax voxbpl7: add edi, 88888888h dec ecx jnz near voxbegslab4 pop edi pop ecx pop ebx add edi, 2 voxskipslab4: pop eax cmp edi, eax je near voxskipslab5 voxbegslab5: mov ebp, ebx add ebx, edx shr ebp, 16 xor eax, eax mov al, byte [esi+ebp] voxpal8: mov al, byte [eax+88888888h] mov byte [edi], al voxbpl8: add edi, 88888888h dec ecx jnz near voxbegslab5 voxskipslab5: pop ebp CDECLENDSET 6 ret %if 0 ; STRETCHHLINE is unused as of 2012-02-26 ;modify: loinc ;eax: | dat | dat | dat | dat | ;ebx: | loplc1 | ;ecx: | loplc2 | cnthi | cntlo | ;edx: |--------|--------|--------| hiplc1 | ;esi: |--------|--------|--------| hiplc2 | ;edi: |--------|--------|--------| vidplc | ;ebp: |--------|--------|--------| hiinc | stretchhline: CDECLBEGINSET 6 push ebp mov eax, ebx shl ebx, 16 sar eax, 16 and ecx, 0000ffffh or ecx, ebx add esi, eax mov eax, edx mov edx, esi mov ebp, eax shl eax, 16 sar ebp, 16 add ecx, eax adc esi, ebp add eax, eax adc ebp, ebp mov dword [loinc1+2], eax mov dword [loinc2+2], eax mov dword [loinc3+2], eax mov dword [loinc4+2], eax inc ch jmp begloop begloop: mov al, [edx] loinc1: sub ebx, 88888888h sbb edx, ebp mov ah, [esi] loinc2: sub ecx, 88888888h sbb esi, ebp sub edi, 4 shl eax, 16 loinc3: sub ebx, 88888888h mov al, [edx] sbb edx, ebp mov ah, [esi] loinc4: sub ecx, 88888888h sbb esi, ebp mov [edi], eax dec cl jnz begloop dec ch jnz begloop pop ebp CDECLENDSET 6 ret %endif ; %if 0 of STRETCHHLINE mmxoverlay: push ebx ;JBF push ecx ;JBF push edx ;JBF pushfd ;Check if CPUID is available pop eax mov ebx, eax xor eax, 00200000h push eax popfd pushfd pop eax cmp eax, ebx je pentium xor eax, eax dw 0a20fh test eax, eax jz pentium mov eax, 1 dw 0a20fh and eax, 00000f00h test edx, 00800000h ;Check if MMX is available jz nommx cmp eax, 00000600h ;Check if P6 Family or not jae pentiumii jmp pentiummmx nommx: cmp eax, 00000600h ;Check if P6 Family or not jae pentiumpro pentium: pop edx ;JBF pop ecx ;JBF pop ebx ;JBF ret ;ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ;³ PENTIUM II Overlays ³ ;ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ pentiumii: ;Hline overlay (MMX doens't help) mov byte [sethlinesizes], 0xe9 mov dword [sethlinesizes+1], (prosethlinesizes-sethlinesizes-5) mov byte [setpalookupaddress], 0xe9 mov dword [setpalookupaddress+1], (prosetpalookupaddress-setpalookupaddress-5) mov byte [setuphlineasm4], 0xc3 ;ret (no code required) mov byte [hlineasm4], 0xe9 mov dword [hlineasm4+1], (prohlineasm4-hlineasm4-5) ;Vline overlay mov byte [setupvlineasm], 0xe9 mov dword [setupvlineasm+1], (prosetupvlineasm-setupvlineasm-5) mov byte [vlineasm4], 0xe9 mov dword [vlineasm4+1], (provlineasm4-vlineasm4-5) pop edx ;JBF pop ecx ;JBF pop ebx ;JBF ret ;ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ;³ PENTIUM MMX Overlays ³ ;ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ pentiummmx: pop edx ;JBF pop ecx ;JBF pop ebx ;JBF ret ;ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ;³ PENTIUM PRO Overlays ³ ;ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ pentiumpro: ;Hline overlay (MMX doens't help) mov byte [sethlinesizes], 0xe9 mov dword [sethlinesizes+1], (prosethlinesizes-sethlinesizes-5) mov byte [setpalookupaddress], 0xe9 mov dword [setpalookupaddress+1], (prosetpalookupaddress-setpalookupaddress-5) mov byte [setuphlineasm4], 0xc3 ;ret (no code required) mov byte [hlineasm4], 0xe9 mov dword [hlineasm4+1], (prohlineasm4-hlineasm4-5) ;Vline overlay mov byte [setupvlineasm], 0xe9 mov dword [setupvlineasm+1], (prosetupvlineasm-setupvlineasm-5) mov byte [vlineasm4], 0xe9 mov dword [vlineasm4+1], (provlineasm4-vlineasm4-5) pop edx ;JBF pop ecx ;JBF pop ebx ;JBF ret dep_end: