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Rewrote unified Mode-X blitter in DOS port. [TRAC]

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stainless
2001-11-14 12:17:36 +00:00
parent c446309ddc
commit a0d8e5bca9
2 changed files with 88 additions and 107 deletions
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33
zsnes/src/ui.asm
View File

@@ -159,7 +159,7 @@ NEWSYM outofmemory
SECTION .data
NEWSYM mydebug, db '',13,10,0
NEWSYM outofmem, db 'You don',39,'t have enough memory to run this program!',13,10,0
%define ZVERSION '337 '
%define ZVERSION '337'
;%define ZBETA 0
; Line added by Peter Santing
@@ -176,27 +176,34 @@ NEWSYM welcome
; db 'PRIVATE BETA VERSION!!! PLEASE DO NOT DISTRIBUTE!!! Thank you!',13,10
; db 'Private Beta is Registered to : ',USERNAMEN,13,10
;%else
db 'ZSNES v1.',ZVERSION,' beta (c) 1997-2001, ZSNES Team (zsKnight & _Demo_)',13,10
%ifdef __LINUX__
db 'ZSNES v1.',ZVERSION,' beta (c)1997-2001 ZSNES Team (zsKnight - _Demo_)',13,10
db 'Linux version, please report crashes to zsnes-devel@lists.sourceforge.net.',13,10
db 'Compiled under NASM, GCC',13,10,13,10
db 'Compiled under NASM and GCC. (Linux/FreeBSD)',13,10,13,10
%else
db 'ZSNES v1.',ZVERSION,' beta (c)1997-2001 ZSNES Team (zsKnight - _Demo_)',13,10
; ZSNES DOS doesn't use WDOSX anymore
db 'Compiled under NASM, GCC (DOS+DPMI)',13,10,13,10
%ifdef __WIN32__
db 'Compiled under NASM and MSVC++. (Windows)',13,10,13,10
%else
db 'Compiled under NASM and DJGPP. (DOS w/ DPMI)',13,10,13,10
%endif
%endif
;%endif
db ' Programmers : zsKnight, _Demo_',13,10
db ' Assistant Coder : Pharos',13,10,13,10
db 'ZSNES comes with ABSOLUTELY NO WARRANTY. This is free software,',10,13
db 'Be sure to check http://www.zsnes.com/ for the latest version.',13,10
db 'Please report crashes to zsnes-devel@lists.sourceforge.net.',13,10,13,10
db ' Main Coders : zsKnight, _Demo_, and pagefault',13,10
db ' Assistant Coders : Pharos, teuf, theoddone33, and stainless',13,10,13,10
db 'ZSNES comes with ABSOLUTELY NO WARRANTY. This is free software,',10,13
db 'and you are welcome to redistribute it under certain conditions;',10,13
db 'check license.txt.',10,13,10,13
db 'Use ZSNES -? for command line definitions',13,10,13,10,0
%ifdef __LINUX__
db 'please read ',39,'LICENSE',39,' thoroughly before using it.',10,13,10,13
%else
db 'please read ',39,'LICENSE.TXT',39,' thoroughly before using it.',10,13,10,13
%endif
db 'Use ZSNES -? for command line definitions.',13,10,13,10,0
;cpuidfname db 'nocpuzid.dat',0
;cpuidtext db 'NOTE: If ZSNES crashes here, then please re-run. ',0
;cpuidtext2 db 13,' ',13,0
YesMMX db 'MMX support enabled.',13,10,13,10,0
YesMMX db 'MMX support found and enabled.',13,10,13,10,0
; global variables

162
zsnes/src/video/copyvid.inc
View File

@@ -396,7 +396,7 @@ NEWSYM copymodex224
mov eax,(320*225)/4
.pageb
mov dl,222
mov bl,222
jmp copymodexloop
;*******************************************************
@@ -438,8 +438,8 @@ NEWSYM copymodex240
mov eax,(320*240)/4
.pageb
mov dl,[resolutn]
sub dl,2
mov bl,[resolutn]
sub bl,2
jmp copymodexloop
;*******************************************************
@@ -481,110 +481,84 @@ NEWSYM copymodex256
mov eax,(320*256)/4
.pageb
mov dl,[resolutn]
sub dl,2
mov bl,[resolutn]
sub bl,2
jmp copymodexloop
;eax = VGA address of output page
;edi = offset in current page of first line
;esi = address of first line to be copied
;dl = number of lines to copy
;bl = number of lines to copy
NEWSYM copymodexloop
add edi,eax
mov [.pageaddress],eax
mov [.linecount],dl
mov [.linecount],bl
mov [.startesi],esi
mov [.startedi],edi
.loopa1
mov ecx,16
.loopb1
mov ah,[esi+12]
mov al,[esi+8]
shl eax,16
mov ah,[esi+4]
mov al,[esi+0]
mov [es:edi],eax
add esi,16
add edi,4
dec ecx
jnz .loopb1
add esi,32
add edi,16
dec dl
jnz .loopa1
; register allocation
; bl = line counter (0-total lines)
; bh = other line counter (descriptive, eh?) (0-8)
; ebp = plane counter
; ch = plane enable bit
; cl = 4-pixel copy counter
; edx= pixel processing & I/O address
; eax = pixel processing & I/O data
mov dx,03C4h
mov ax,0202h
.loopa
mov ebp,4
mov ch,1
cmp bl,8
mov bh,bl
jb .loopb
mov bh,8
.loopb
; set write plane
mov ah,ch
add ch,ch
mov al,02h
out dx,ax
mov esi,[.startesi]
push ebx
push edi
push esi
.loopc
; loop count
mov cl,16
.loopd
mov al,[esi+8]
mov ah,[esi+12]
shl eax,16
mov al,[esi+0]
mov ah,[esi+4]
add esi,16
mov [es:edi],eax
add edi,4
dec cl
jnz .loopd
add esi,16+16
add edi,(320-256)/4
dec bh
jnz .loopc
pop esi
pop edi
pop ebx
inc esi
mov edi,[.startedi]
mov dl,[.linecount]
.loopa2
mov ecx,16
.loopb2
mov ah,[esi+12]
mov al,[esi+8]
shl eax,16
mov ah,[esi+4]
mov al,[esi+0]
mov [es:edi],eax
add esi,16
add edi,4
dec ecx
jnz .loopb2
add esi,32
add edi,16
dec dl
jnz .loopa2
mov dx,03C4h
mov ax,0402h
out dx,ax
mov esi,[.startesi]
add esi,2
mov edi,[.startedi]
mov dl,[.linecount]
.loopa3
mov ecx,16
.loopb3
mov ah,[esi+12]
mov al,[esi+8]
shl eax,16
mov ah,[esi+4]
mov al,[esi+0]
mov [es:edi],eax
add esi,16
add edi,4
dec ecx
jnz .loopb3
add esi,32
add edi,16
dec dl
jnz .loopa3
mov dx,03C4h
mov ax,0802h
out dx,ax
mov esi,[.startesi]
add esi,3
mov edi,[.startedi]
mov dl,[.linecount]
.loopa4
mov ecx,16
.loopb4
mov ah,[esi+12]
mov al,[esi+8]
shl eax,16
mov ah,[esi+4]
mov al,[esi+0]
mov [es:edi],eax
add esi,16
add edi,4
dec ecx
jnz .loopb4
add esi,32
add edi,16
dec dl
jnz .loopa4
dec ebp
jnz .loopb
; next line
add esi,(16+256+16)*8-4
add edi,320*8/4
sub bl,bh
jnz .loopa
pop es
@@ -610,6 +584,7 @@ NEWSYM copymodexloop
.setpageb
mov [whichpage],al
ret
SECTION .bss
.startesi resd 1
.startedi resd 1
@@ -619,7 +594,6 @@ SECTION .bss
NEWSYM whichpage, resb 1 ; active page and visual page locations
SECTION .text
;*******************************************************
; CopyModeQ 224 Copies buffer into chained 256x224
;*******************************************************