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Redone mode 4 fix

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pagefault
2002-06-29 00:05:30 +00:00
parent 56e31d56fa
commit 9b414626c7
2 changed files with 37 additions and 17 deletions
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38
zsnes/src/video/newgfx.mac
View File

@@ -2625,6 +2625,8 @@ EXTSYM drawmode7ngextbg,drawmode7ngextbg2
mov eax,[BGPT1+ebx*2+%1*512] mov eax,[BGPT1+ebx*2+%1*512]
test ecx,100h test ecx,100h
jz .noyinc jz .noyinc
cmp byte[BGMA+ebx],4
je near .offsetm
add eax,[BGPT1Y+ebx*2+%1*512] add eax,[BGPT1Y+ebx*2+%1*512]
.noyinc .noyinc
lea ecx,[ecx*8] lea ecx,[ecx*8]
@@ -2888,10 +2890,7 @@ EXTSYM drawmode7ngextbg,drawmode7ngextbg2
shl edx,6 shl edx,6
xor eax,eax xor eax,eax
mov ax,[BGPT3+ebx*2] mov ax,[BGPT3+ebx*2]
cmp dx,0
jl .isneg
add ax,dx add ax,dx
.isneg
xor edx,edx xor edx,edx
mov dx,[BG3SXl+ebx*2] mov dx,[BG3SXl+ebx*2]
and dx,0F8h and dx,0F8h
@@ -2955,6 +2954,21 @@ EXTSYM drawmode7ngextbg,drawmode7ngextbg2
add eax,ecx add eax,ecx
add [ofsmtptr],ecx add [ofsmtptr],ecx
mov [ofsmmptr],eax mov [ofsmmptr],eax
mov word[bgtxadd2],0
cmp word[BGPT3X+ebx*2],0
je .yesoverfl
mov cx,word[BG3SXl+ebx*2]
add cx,16
test cx,100h
jz .notoverfl
add dword[ofsmcptr],800h
sub word[bgtxadd2],800h
jmp .yesoverfl
.notoverfl
add word[bgtxadd2],800h
.yesoverfl
mov dword[ofshvaladd],0 mov dword[ofshvaladd],0
mov ecx,[BGOPT1+ebx*2+%1*512] mov ecx,[BGOPT1+ebx*2+%1*512]
mov edx,[BGMA+ebx] mov edx,[BGMA+ebx]
@@ -3240,10 +3254,7 @@ EXTSYM drawmode7ngextbg,drawmode7ngextbg2
shl edx,6 shl edx,6
xor eax,eax xor eax,eax
mov ax,[BGPT3+ebx*2] mov ax,[BGPT3+ebx*2]
cmp dx,0
jl .isneg
add ax,dx add ax,dx
.isneg
xor edx,edx xor edx,edx
mov dx,[BG3SXl+ebx*2] mov dx,[BG3SXl+ebx*2]
and dx,0F8h and dx,0F8h
@@ -3275,6 +3286,21 @@ EXTSYM drawmode7ngextbg,drawmode7ngextbg2
mov eax,[BGPT1+ebx*2+%1*512] mov eax,[BGPT1+ebx*2+%1*512]
mov [ofsmtptr],eax mov [ofsmtptr],eax
mov [ofsmtptrs],eax mov [ofsmtptrs],eax
mov word[bgtxadd2],0
cmp word[BGPT3X+ebx*2],0
je .yesoverfl
mov cx,word[BG3SXl+ebx*2]
add cx,16
test cx,100h
jz .notoverfl
add dword[ofsmcptr],800h
sub word[bgtxadd2],800h
jmp .yesoverfl
.notoverfl
add word[bgtxadd2],800h
.yesoverfl
mov ecx,[BG1SXl+ebx*2+%1*512] mov ecx,[BG1SXl+ebx*2+%1*512]
mov edx,[BGPT1X+ebx*2+%1*512] mov edx,[BGPT1X+ebx*2+%1*512]
test ecx,100h test ecx,100h

16
zsnes/src/video/newgfx16.mac
View File

@@ -2832,12 +2832,15 @@ EXTSYM osm2dis
je near .offsetm je near .offsetm
cmp byte[t16x161+ebx+%1*256],1 cmp byte[t16x161+ebx+%1*256],1
je near .tiles16x16 je near .tiles16x16
cmp byte[BGMA+ebx],4
je near .offsetm
.nooffsetm .nooffsetm
mov eax,[BGPT1+ebx*2+%1*512] mov eax,[BGPT1+ebx*2+%1*512]
test ecx,100h test ecx,100h
jz .noyinc jz .noyinc
cmp byte[osm2dis],1
je .nooffsetm2
cmp byte[BGMA+ebx],4
je near .offsetm
.nooffsetm2
add eax,[BGPT1Y+ebx*2+%1*512] add eax,[BGPT1Y+ebx*2+%1*512]
.noyinc .noyinc
lea ecx,[ecx*8] lea ecx,[ecx*8]
@@ -3131,10 +3134,7 @@ EXTSYM osm2dis
shl edx,6 shl edx,6
xor eax,eax xor eax,eax
mov ax,[BGPT3+ebx*2] mov ax,[BGPT3+ebx*2]
cmp dx,0
jl .isneg1
add ax,dx add ax,dx
.isneg1
xor edx,edx xor edx,edx
mov dx,[BG3SXl+ebx*2] mov dx,[BG3SXl+ebx*2]
and dx,0F8h and dx,0F8h
@@ -3303,10 +3303,7 @@ EXTSYM osm2dis
shl edx,6 shl edx,6
xor eax,eax xor eax,eax
mov ax,[BGPT3+ebx*2] mov ax,[BGPT3+ebx*2]
cmp dx,0
jl .isneg2
add ax,dx add ax,dx
.isneg2
xor edx,edx xor edx,edx
mov dx,[BG3SXl+ebx*2] mov dx,[BG3SXl+ebx*2]
and dx,0F8h and dx,0F8h
@@ -3709,10 +3706,7 @@ EXTSYM osm2dis
shl edx,6 shl edx,6
xor eax,eax xor eax,eax
mov ax,[BGPT3+ebx*2] mov ax,[BGPT3+ebx*2]
cmp dx,0
jl .isneg3
add ax,dx add ax,dx
.isneg3
xor edx,edx xor edx,edx
mov dx,[BG3SXl+ebx*2] mov dx,[BG3SXl+ebx*2]
and dx,0F8h and dx,0F8h