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Added 640x400 video mode variants to the DOS port.

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stainless
2001-10-09 21:46:56 +00:00
parent 7d148b4a73
commit be5e9d4f32
6 changed files with 296 additions and 33 deletions
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210
zsnes/src/video/copyvid.inc
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@@ -227,10 +227,10 @@ PreTripleBuffer:
SECTION .data
; Please don't break this again. :)
VidModeSize dd 0,0,0,0,0,0,0,320*240,320*240*2,320*480,320*480*2
dd 512*384,512*384*2,640*480,640*480*2
VidModeLine dd 0,0,0,0,0,0,0,240,240,480,480,384,384,480,480
dd 512*384,512*384*2,640*400,640*400*2,640*480,640*480*2
VidModeLine dd 0,0,0,0,0,0,0,240,240,480,480,384,384,400,400,480,480
NEWSYM VidStartDraw, dd 0
VidModeComp db 0,0,0,0,0,0,0,1,1,1,1,1,1,1,1
VidModeComp db 0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1
CVidStartAd db 0
ApplyStart db 4
@@ -291,8 +291,12 @@ ScreenShow:
cmp byte[cvidmode],12
je near copyvesa2512x384x16b
cmp byte[cvidmode],13
je near copyvesa2640x480x8b
je near copyvesa2640x400x8b
cmp byte[cvidmode],14
je near copyvesa2640x400x16b
cmp byte[cvidmode],15
je near copyvesa2640x480x8b
cmp byte[cvidmode],16
je near copyvesa2640x480x16b
cmp byte[curblank],40h
je .startcopy
@@ -338,8 +342,12 @@ ScreenShowGUI:
cmp byte[cvidmode],12
je near copyvesa2512x384x16bgui
cmp byte[cvidmode],13
je near copyvesa2640x480x8bgui
je near copyvesa2640x400x8b
cmp byte[cvidmode],14
je near copyvesa2640x400x16b
cmp byte[cvidmode],15
je near copyvesa2640x480x8bgui
cmp byte[cvidmode],16
je near copyvesa2640x480x16bgui
jmp copymodeq256
%endif
@@ -1259,6 +1267,162 @@ copyvesa2320x480x8ng:
.bi
jmp .returnloop
;*******************************************************
; Copy VESA2 640x400x8b Copies buffer to 640x400x8bVBE2
;*******************************************************
NEWSYM copyvesa2640x400x8b
cmp byte[curblank],40h
jne .startcopy
ret
.startcopy
push es
mov ax,[vesa2selec]
mov es,ax
mov esi,[vidbuffer]
mov edi,20*640+64
cmp word[resolutn],224
jne .res239
mov edi,32*640+64
.res239
add edi,[VidStartDraw]
add esi,16+256+32
xor eax,eax
mov dl,[resolutn]
dec dl
dec dl
cmp byte[smallscreenon],1
je .smallscreen
.loopa
mov ecx,256
call .loopa2
add esi,32
add edi,64*2
mov ecx,256
call .loopa2
sub esi,256
add edi,64*2
mov ecx,256
call .loopa2
add esi,32
add edi,64*2
dec dl
dec dl
jnz .loopa
jmp .done
.loopa2
mov al,[esi]
mov [es:edi],al
inc edi
mov [es:edi],al
inc esi
inc edi
dec ecx
jnz .loopa2
ret
.smallscreen
add edi,60*640+128
cmp byte[MMXSupport],1
je .ssloopb
.ssloopa
mov ecx,64
rep movsd
add esi,32
add edi,192*2
dec dl
jnz .ssloopa
jmp .done
.ssloopb
mov ecx,16
MMXStuff
add esi,32
add edi,192*2
dec dl
jnz .ssloopb
emms
.done
pop es
ret
NEWSYM copyvesa2640x400x16b
cmp byte[curblank],40h
jne .startcopy
ret
.startcopy
push es
mov ax,[vesa2selec]
mov es,ax
mov esi,[vidbuffer]
mov edi,20*640*2+64*2
cmp word[resolutn],224
jne .res239
mov edi,32*640*2+64*2
.res239
add edi,[VidStartDraw]
add esi,16*2+256*2+32*2
xor eax,eax
mov dl,[resolutn]
dec dl
dec dl
cmp byte[smallscreenon],1
je .smallscreen
.loopa
mov ecx,256
call .loopa2
add esi,32*2
add edi,64*2*2
mov ecx,256
call .loopa2
sub esi,256*2
add edi,64*2*2
mov ecx,256
call .loopa2
add esi,32*2
add edi,64*2*2
dec dl
dec dl
jnz .loopa
jmp .done
.loopa2
mov ax,[esi]
mov [es:edi],ax
add edi,2
mov [es:edi],ax
add esi,2
add edi,2
dec ecx
jnz .loopa2
ret
.smallscreen
add edi,60*640*2+128*2
cmp byte[MMXSupport],1
je .ssloopb
.ssloopa
mov ecx,64*2
rep movsd
add esi,32*2
add edi,192*2*2
dec dl
jnz .ssloopa
jmp .done
.ssloopb
mov ecx,16*2
MMXStuff
add esi,32*2
add edi,192*2*2
dec dl
jnz .ssloopb
emms
.done
pop es
ret
;*******************************************************
; Copy VESA2 640x480x8b Copies buffer to 640x480x8bVBE2
;*******************************************************
@@ -5966,8 +6130,12 @@ NEWSYM DOSClearScreen
cmp byte[cvidmode],12
je near cscopyvesa2512x384x16b
cmp byte[cvidmode],13
je near cscopyvesa2640x480x8b
je near cscopyvesa2640x400x8b
cmp byte[cvidmode],14
je near cscopyvesa2640x400x16b
cmp byte[cvidmode],15
je near cscopyvesa2640x480x8b
cmp byte[cvidmode],16
je near cscopyvesa2640x480x16b
%endif
ret
@@ -6070,6 +6238,36 @@ NEWSYM cscopyvesa2640x480x16b
pop es
ret
NEWSYM cscopyvesa2640x400x8b
push es
mov ax,[vesa2selec]
mov es,ax
mov edi,[VidStartDraw]
mov ecx,640*400
TripleBufferClear
.loopb
mov byte[es:edi],0
inc edi
dec ecx
jnz .loopb
pop es
ret
NEWSYM cscopyvesa2640x400x16b
push es
mov ax,[vesa2selec]
mov es,ax
mov edi,[VidStartDraw]
mov ecx,640*400*2
TripleBufferClear
.loopb
mov byte[es:edi],0
inc edi
dec ecx
jnz .loopb
pop es
ret
NEWSYM cscopyvesa2320x480x8b
push es
mov ax,[vesa2selec]