First release of ZSNES sources
This commit is contained in:
teuf
687
zsnes/src/video/mode716.asm
Normal file
687
zsnes/src/video/mode716.asm
Normal file
@@ -0,0 +1,687 @@
|
||||
;Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com )
|
||||
;
|
||||
;This program is free software; you can redistribute it and/or
|
||||
;modify it under the terms of the GNU General Public License
|
||||
;as published by the Free Software Foundation; either
|
||||
;version 2 of the License, or (at your option) any later
|
||||
;version.
|
||||
;
|
||||
;This program is distributed in the hope that it will be useful,
|
||||
;but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
;GNU General Public License for more details.
|
||||
;
|
||||
;You should have received a copy of the GNU General Public License
|
||||
;along with this program; if not, write to the Free Software
|
||||
;Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
%include "macros.mac"
|
||||
|
||||
EXTSYM mode7tab,winptrref,nglogicval,winlogicaval
|
||||
EXTSYM curmosaicsz,curvidoffset,cwinptr,domosaic,mode7A,mode7B
|
||||
EXTSYM mode7C,mode7D,mode7X0,mode7Y0,mode7set,vram,vrama,winon,xtravbuf
|
||||
EXTSYM ngwleft,ngwleftb,mode7xpos,mode7ypos,mode7xrpos,mode7yrpos
|
||||
EXTSYM mode7xadder,mode7yadder,mode7hr,drawmode7winhr,dcolortab
|
||||
EXTSYM UnusedBitXor,UnusedBit
|
||||
EXTSYM scrndis
|
||||
EXTSYM vidbright,prevbrightdc,Gendcolortable
|
||||
EXTSYM mode7ab,mode7cd,BGMA
|
||||
EXTSYM BG1SXl,BG1SYl
|
||||
EXTSYM processmode7hires
|
||||
|
||||
%include "video/mode716.mac"
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
;*******************************************************
|
||||
; Processes & Draws Mode 7
|
||||
;*******************************************************
|
||||
|
||||
%macro Mode7Normal 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Normalnt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Normalt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2+512]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Normalmsnt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi],dx
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Normalmst 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2+512]
|
||||
mov [esi],dx
|
||||
and dx,[UnusedBitXor]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Normalsnt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Normalst 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Direct 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Directnt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Directt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
or dx,[UnusedBit]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Directmsnt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
mov [esi],dx
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Directmst 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
mov [esi+75036*2],dx
|
||||
or dx,[UnusedBit]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Directsnt 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7Directst 0
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
mov dx,[dcolortab+edx*4]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBG 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBGnt 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBGt 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2+512]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBGmsnt 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi],dx
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBGmst 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2+512]
|
||||
mov [esi+75036*2],dx
|
||||
or dx,[UnusedBit]
|
||||
mov [esi],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBGsnt 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
%macro Mode7ExtBGst 0
|
||||
mov [esi+75036*8],dl
|
||||
or dl,dl
|
||||
jz %%nodrawb
|
||||
test dl,80h
|
||||
jnz %%nodrawb
|
||||
mov dx,[ebp+edx*2]
|
||||
mov [esi+75036*2],dx
|
||||
xor edx,edx
|
||||
%%nodrawb
|
||||
add esi,2
|
||||
%endmacro
|
||||
|
||||
NEWSYM drawmode7win16b
|
||||
test byte[scrndis],1
|
||||
jz .notdisabled
|
||||
ret
|
||||
.notdisabled
|
||||
CheckTransparency 01h,drawmode7win16bt
|
||||
normal
|
||||
Mode7NonMainSub Mode7Normal
|
||||
drawmode7win16bt
|
||||
test byte[scadtng+ebx],1h
|
||||
jz near drawmode7win16bnt
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawmode716bmst
|
||||
Mode7NonMainSub Mode7Normalt
|
||||
drawmode716bmst:
|
||||
mov edi,[CMainWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmt
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bst
|
||||
drawmode7w16bmst
|
||||
Mode7NonMainSub Mode7Normalmst
|
||||
drawmode7w16bmt
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmst
|
||||
Mode7MainSub Mode7Normalmst,Mode7Normalst
|
||||
drawmode7w16bst
|
||||
Mode7MainSub Mode7Normalmst,Mode7Normalt
|
||||
drawmode7win16bnt:
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawsprngm716bmsnt
|
||||
Mode7NonMainSub Mode7Normalnt
|
||||
drawsprngm716bmsnt:
|
||||
cmp dword[ngwinen],0
|
||||
je drawmode7w16bmsnt
|
||||
mov edi,[CMainWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmnt
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bsnt
|
||||
drawmode7w16bmsnt
|
||||
Mode7NonMainSub Mode7Normalmsnt
|
||||
drawmode7w16bmnt
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmsnt
|
||||
Mode7MainSub Mode7Normalmsnt,Mode7Normalsnt
|
||||
drawmode7w16bsnt
|
||||
Mode7MainSub Mode7Normalmsnt,Mode7Normalnt
|
||||
|
||||
NEWSYM drawmode7win16bd
|
||||
test byte[scrndis],1
|
||||
jz .notdisabled
|
||||
ret
|
||||
.notdisabled
|
||||
mov bl,[vidbright]
|
||||
cmp bl,[prevbrightdc]
|
||||
je .nodcchange
|
||||
mov [prevbrightdc],bl
|
||||
call Gendcolortable
|
||||
.nodcchange
|
||||
CheckTransparency 01h,drawmode7win16btd
|
||||
Mode7NonMainSub Mode7Direct
|
||||
drawmode7win16btd
|
||||
test byte[scadtng+ebx],1h
|
||||
jz near drawmode7win16bntd
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawmode716bmstd
|
||||
Mode7NonMainSub Mode7Directt
|
||||
drawmode716bmstd:
|
||||
mov edi,[CMainWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmtd
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bstd
|
||||
drawmode7w16bmstd
|
||||
Mode7NonMainSub Mode7Directmst
|
||||
drawmode7w16bmtd
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmstd
|
||||
Mode7MainSub Mode7Directmst,Mode7Directst
|
||||
drawmode7w16bstd
|
||||
Mode7MainSub Mode7Directmst,Mode7Directt
|
||||
drawmode7win16bntd:
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawsprngm716bmsntd
|
||||
Mode7NonMainSub Mode7Directnt
|
||||
drawsprngm716bmsntd:
|
||||
cmp dword[ngwinen],0
|
||||
je drawmode7w16bmsntd
|
||||
mov edi,[CMainWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmntd
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bsntd
|
||||
drawmode7w16bmsntd
|
||||
Mode7NonMainSub Mode7Directmsnt
|
||||
drawmode7w16bmntd
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmsntd
|
||||
Mode7MainSub Mode7Directmsnt,Mode7Directsnt
|
||||
drawmode7w16bsntd
|
||||
Mode7MainSub Mode7Directmsnt,Mode7Directnt
|
||||
|
||||
|
||||
NEWSYM drawmode7ngextbg16b
|
||||
test byte[scrndis],1
|
||||
jz .notdisabled
|
||||
ret
|
||||
.notdisabled
|
||||
mov byte[curmosaicsz],1
|
||||
push ecx
|
||||
mov esi,[curvidoffset] ; esi = [vidbuffer] + curypos * 288 + 16
|
||||
mov ecx,256
|
||||
.loop
|
||||
mov byte[esi+75036*8],0
|
||||
add esi,2
|
||||
loop .loop
|
||||
pop ecx
|
||||
|
||||
cmp byte[mode7hr+ebx],1
|
||||
; je near drawmode7winextbghr16e
|
||||
CheckTransparency 02h,drawmode7win16bte
|
||||
mov esi,[cwinptr]
|
||||
mov [winptrref],esi
|
||||
mov esi,[curvidoffset]
|
||||
Mode7NonMainSube Mode7ExtBG
|
||||
drawmode7win16bte
|
||||
test byte[scadtng+ebx],1h
|
||||
jz near drawmode7win16bnte
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawmode716bmste
|
||||
Mode7NonMainSube Mode7ExtBGt
|
||||
drawmode716bmste:
|
||||
mov edi,[CMainWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmte
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bste
|
||||
drawmode7w16bmste
|
||||
Mode7NonMainSube Mode7ExtBGmst
|
||||
drawmode7w16bmte
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmste
|
||||
Mode7MainSube Mode7ExtBGmst,Mode7ExtBGst
|
||||
drawmode7w16bste
|
||||
Mode7MainSube Mode7ExtBGmst,Mode7ExtBGt
|
||||
drawmode7win16bnte:
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawsprngm716bmsnte
|
||||
Mode7NonMainSube Mode7ExtBGnt
|
||||
drawsprngm716bmsnte:
|
||||
cmp dword[ngwinen],0
|
||||
je drawmode7w16bmsnte
|
||||
mov edi,[CMainWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmnte
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bsnte
|
||||
drawmode7w16bmsnte
|
||||
Mode7NonMainSube Mode7ExtBGmsnt
|
||||
drawmode7w16bmnte
|
||||
mov edi,[CSubWinScr]
|
||||
cmp byte[edi+ebx],0
|
||||
jne near drawmode7w16bmsnte
|
||||
Mode7MainSube Mode7ExtBGmsnt,Mode7ExtBGsnt
|
||||
drawmode7w16bsnte
|
||||
Mode7MainSube Mode7ExtBGmsnt,Mode7ExtBGnt
|
||||
|
||||
%macro ExtBG2 1
|
||||
mov esi,[curvidoffset] ; esi = [vidbuffer] + curypos * 288 + 16
|
||||
mov ecx,256
|
||||
xor eax,eax
|
||||
.loop
|
||||
mov al,[esi+75036*8]
|
||||
test al,80h
|
||||
jz .nopr2
|
||||
and al,7Fh
|
||||
%1
|
||||
.nopr2
|
||||
add esi,2
|
||||
loop .loop
|
||||
xor eax,eax
|
||||
ret
|
||||
%endmacro
|
||||
|
||||
%macro ExtBGNormal 0
|
||||
mov dx,[ebp+eax*2]
|
||||
mov [esi],dx
|
||||
%endmacro
|
||||
%macro ExtBGNormalt 0
|
||||
mov dx,[ebp+eax*2+512]
|
||||
mov [esi],dx
|
||||
%endmacro
|
||||
%macro ExtBGNormalnt 0
|
||||
mov dx,[ebp+eax*2]
|
||||
mov [esi],dx
|
||||
%endmacro
|
||||
%macro ExtBGNormalst 0
|
||||
mov dx,[ebp+eax*2]
|
||||
mov [esi+75036*2],dx
|
||||
%endmacro
|
||||
%macro ExtBGNormalsnt 0
|
||||
mov dx,[ebp+eax*2]
|
||||
mov [esi+75036*2],dx
|
||||
%endmacro
|
||||
%macro ExtBGNormalmst 0
|
||||
mov dx,[ebp+eax*2+512]
|
||||
mov [esi],dx
|
||||
and dx,[UnusedBitXor]
|
||||
mov [esi+75036*2],dx
|
||||
%endmacro
|
||||
%macro ExtBGNormalmsnt 0
|
||||
mov dx,[ebp+eax*2]
|
||||
mov [esi],dx
|
||||
mov [esi+75036*2],dx
|
||||
%endmacro
|
||||
|
||||
NEWSYM drawmode7ngextbg216b
|
||||
test byte[scrndis],1
|
||||
jz .notdisabled
|
||||
ret
|
||||
.notdisabled
|
||||
cmp byte[mode7hr+ebx],1
|
||||
; je near drawmode7winextbg2hr16b
|
||||
; esi = pointer to video buffer
|
||||
CheckTransparency 01h,drawmode7ngextbg216bt
|
||||
test byte[FillSubScr+ebx],1
|
||||
jz .main
|
||||
test byte[BGMS1+ebx*2],01h
|
||||
jnz .main
|
||||
add esi,75036*2
|
||||
.main
|
||||
ExtBG2 ExtBGNormal
|
||||
drawmode7ngextbg216bt:
|
||||
test byte[scadtng+ebx],1h
|
||||
jz near drawmode7ngextbg216bnt
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawmode7ngextbg216bmst
|
||||
ExtBG2 ExtBGNormalt
|
||||
drawmode7ngextbg216bmst
|
||||
test byte[BGMS1+ebx*2],1h
|
||||
jz near drawmode7ngextbg216bst
|
||||
ExtBG2 ExtBGNormalmst
|
||||
drawmode7ngextbg216bst:
|
||||
ExtBG2 ExtBGNormalst
|
||||
drawmode7ngextbg216bnt:
|
||||
test byte[BGMS1+ebx*2+1],1h
|
||||
jnz near drawmode7ngextbg216bmsnt
|
||||
ExtBG2 ExtBGNormalnt
|
||||
drawmode7ngextbg216bmsnt
|
||||
test byte[BGMS1+ebx*2],1h
|
||||
jz near drawmode7ngextbg216bsnt
|
||||
ExtBG2 ExtBGNormalmsnt
|
||||
drawmode7ngextbg216bsnt:
|
||||
ExtBG2 ExtBGNormalsnt
|
||||
|
||||
ALIGN32
|
||||
mtemp dd 0 ; for byte move left
|
||||
mmode7xpos dd 0 ; x position
|
||||
mtempa2 dd 0 ; keep this blank!
|
||||
mmode7xrpos dd 0 ; x position
|
||||
mtempa dd 0 ; keep this blank!
|
||||
mmode7ypos dd 0 ; y position
|
||||
mtempb2 dd 0 ; keep this blank!
|
||||
mmode7yrpos dd 0 ; y position
|
||||
mtempb dd 0 ; keep this blank!
|
||||
mmode7xadder dd 0 ; number to add for x
|
||||
mtempc2 dd 0 ; keep this blank!
|
||||
mmode7xadd2 dd 0 ; number to add for x
|
||||
mtempc dd 0 ; keep this blank!
|
||||
mmode7yadder dd 0 ; number to add for y
|
||||
mtempd2 dd 0 ; keep this blank!
|
||||
mmode7yadd2 dd 0 ; number to add for y
|
||||
mtempd dd 0 ; keep this blank!
|
||||
mmode7ptr dd 0 ; pointer value
|
||||
mmode7xinc dd 0 ; number to add for x
|
||||
mmode7xincc dd 0 ; range check for x
|
||||
mmode7yinc dd 0 ; number to add for y
|
||||
mmode7xsloc dd 0 ; which screen x
|
||||
mmode7ysloc dd 0 ; which screen y
|
||||
mmode7xsrl dd 0 ; which relative screen x
|
||||
mmode7ysrl dd 0 ; which relative screen y
|
||||
mcxloc dw 0 ; cx location
|
||||
mcyloc dw 0 ; cy location
|
||||
M7HROn dd 0 ; High Resolution On
|
||||
switchtorep3 dd 0
|
||||
|
||||
m7xaddof dd 0
|
||||
m7xaddof2 dd 0
|
||||
m7yaddof dd 0
|
||||
m7yaddof2 dd 0
|
||||
pixelsleft dd 0
|
||||
mm7xaddof dd 0
|
||||
mm7xaddof2 dd 0
|
||||
mm7yaddof dd 0
|
||||
mm7yaddof2 dd 0
|
||||
|
||||
%macro newvaluepred 2
|
||||
mov dx,word[%1+ebx*4+8]
|
||||
cmp dx,word[%1+ebx*4]
|
||||
je %%nodivide
|
||||
cmp byte[BGMA+ebx+2],7
|
||||
je %%mode7scaleb
|
||||
%%nodivide
|
||||
movsx edx,word[%1+ebx*4+4]
|
||||
movsx ecx,word[%1+ebx*4]
|
||||
add ecx,edx
|
||||
sar ecx,1
|
||||
mov [%2],cx
|
||||
jmp %%mode7scalend
|
||||
%%mode7scaleb
|
||||
mov esi,ebx
|
||||
movsx ebx,word[%1+esi*4+8]
|
||||
movsx edx,word[%1+esi*4]
|
||||
sub ebx,edx
|
||||
movsx ecx,word[%1+esi*4+4]
|
||||
sub ecx,edx
|
||||
mov eax,ecx
|
||||
imul ecx
|
||||
idiv ebx
|
||||
add ax,word[%1+esi*4]
|
||||
mov ebx,esi
|
||||
mov [%2],ax
|
||||
%%mode7scalend
|
||||
%endmacro
|
||||
|
||||
CalculateNewValues:
|
||||
; predict new values
|
||||
push eax
|
||||
push edx
|
||||
push ebx
|
||||
push esi
|
||||
newvaluepred mode7ab,mode7A
|
||||
newvaluepred mode7ab+2,mode7B
|
||||
newvaluepred mode7cd,mode7C
|
||||
newvaluepred mode7cd+2,mode7D
|
||||
pop esi
|
||||
pop ebx
|
||||
pop edx
|
||||
pop eax
|
||||
|
||||
mov ecx,edx
|
||||
xor edx,edx
|
||||
mov dx,[BG1SXl+ebx*2+2]
|
||||
add edx,ecx
|
||||
shr edx,1
|
||||
|
||||
mov ecx,eax
|
||||
mov eax,ebx
|
||||
inc eax
|
||||
test byte[mode7set],02h
|
||||
jz .noflip
|
||||
mov eax,261
|
||||
sub eax,ebx
|
||||
.noflip
|
||||
add ax,[BG1SYl+ebx*2+2]
|
||||
add eax,ecx
|
||||
ret
|
||||
|
||||
|
||||
NEWSYM processmode7hires16b
|
||||
cmp byte[BGMA+ebx+1],7
|
||||
jne near .nogo
|
||||
push esi
|
||||
push ebx
|
||||
call CalculateNewValues
|
||||
add esi,75036*4
|
||||
mov [curvidoffset],esi
|
||||
mov dword[M7HROn],1
|
||||
call drawmode7win16b
|
||||
mov dword[M7HROn],0
|
||||
pop ebx
|
||||
pop esi
|
||||
.nogo
|
||||
ret
|
||||
|
||||
NEWSYM processmode7hires16bd
|
||||
cmp byte[BGMA+ebx+1],7
|
||||
jne near .nogo
|
||||
push esi
|
||||
push ebx
|
||||
call CalculateNewValues
|
||||
add esi,75036*4
|
||||
mov [curvidoffset],esi
|
||||
mov dword[M7HROn],1
|
||||
call drawmode7win16bd
|
||||
mov dword[M7HROn],0
|
||||
pop ebx
|
||||
pop esi
|
||||
.nogo
|
||||
ret
|
||||
|
||||
|
||||
Reference in New Issue
Block a user