a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Some code cleanup, port of StateLoader to C, some statesaver + rewind fixes.

Browse Source
This commit is contained in:
grinvader
2005-01-28 22:47:14 +00:00
parent 6d0c52c102
commit 34ba464d8b
16 changed files with 522 additions and 623 deletions
Download Patch File Download Diff File Expand all files Collapse all files

135
zsnes/src/cpu/regsw.inc
View File

@@ -291,125 +291,6 @@ NEWSYM initregw
; video memory change buffer for caching (65536/16=4096)
;vidmemch2, vidmemch4, vidmemch8. 4096 bytes each
NEWSYM repackfunct
; Global/Echo Volumes
mov al,[DSPMem+0Ch]
call WDSPReg0C
mov al,[DSPMem+1Ch]
call WDSPReg1C
mov al,[DSPMem+2Ch]
call WDSPReg2C
mov al,[DSPMem+3Ch]
call WDSPReg3C
; Echo Values
mov al,[DSPMem+7Dh]
call WDSPReg7D
mov al,[DSPMem+0Dh]
call WDSPReg0D
; FIR Filter Values
mov al,[DSPMem+00Fh]
call WDSPReg0F
mov al,[DSPMem+01Fh]
call WDSPReg1F
mov al,[DSPMem+02Fh]
call WDSPReg2F
mov al,[DSPMem+03Fh]
call WDSPReg3F
mov al,[DSPMem+04Fh]
call WDSPReg4F
mov al,[DSPMem+05Fh]
call WDSPReg5F
mov al,[DSPMem+06Fh]
call WDSPReg6F
mov al,[DSPMem+07Fh]
call WDSPReg7F
; Noise
mov al,[DSPMem+6Ch]
call WDSPReg6C
mov al,[DSPMem+3Dh]
call WDSPReg3D
mov bx,[bg1ptrb]
sub bx,[bg1ptr]
mov [bg1ptrx],bx
mov bx,[bg1ptrc]
sub bx,[bg1ptr]
mov [bg1ptry],bx
mov bx,[bg2ptrb]
sub bx,[bg2ptr]
mov [bg2ptrx],bx
mov bx,[bg2ptrc]
sub bx,[bg2ptr]
mov [bg2ptry],bx
mov bx,[bg3ptrb]
sub bx,[bg3ptr]
mov [bg3ptrx],bx
mov bx,[bg3ptrc]
sub bx,[bg3ptr]
mov [bg3ptry],bx
mov bx,[bg4ptrb]
sub bx,[bg4ptr]
mov [bg4ptrx],bx
mov bx,[bg4ptrc]
sub bx,[bg4ptr]
mov [bg4ptry],bx
; 16x16 tiles
mov bl,[bgtilesz]
shl bl,4
mov dword[BG116x16t],0
add bl,bl
adc byte[BG416x16t],0
add bl,bl
adc byte[BG316x16t],0
add bl,bl
adc byte[BG216x16t],0
add bl,bl
adc byte[BG116x16t],0
mov ebx,[oamaddrt]
and ebx,0FFFFh
mov [oamaddr],ebx
mov ax,[xat]
mov [xa],ax
mov al,[xdbt]
mov [xdb],al
mov al,[xpbt]
mov [xpb],al
mov ax,[xst]
mov [xs],ax
mov ax,[xdt]
mov [xd],ax
mov ax,[xxt]
mov [xx],ax
mov ax,[xyt]
mov [xy],ax
cmp byte[vramincby8on],1
je near .incby8
mov ebx,[regptw]
cmp byte[vramincr],1
je .from2118
mov dword[ebx+2118h*4],reg2118
mov dword[ebx+2119h*4],reg2119inc
ret
.from2118
mov dword[ebx+2118h*4],reg2118inc
mov dword[ebx+2119h*4],reg2119
ret
.incby8
mov ebx,[regptw]
cmp byte[vramincr],1
je .from2118b
mov dword[ebx+2118h*4],reg2118inc8
mov dword[ebx+2119h*4],reg2119inc8inc
ret
.from2118b
mov dword[ebx+2118h*4],reg2118inc8inc
mov dword[ebx+2119h*4],reg2119inc8
ret
;*******************************************************
; Registers Note : restore AH, ECX, ESI, EDI, *S & DX
;*******************************************************
@@ -935,7 +816,7 @@ reg2117w:
ret
; Video port data (Low)
reg2118:
NEWSYM reg2118
mov ebx,[vramaddr]
mov [vrama+ebx],al
shr ebx,4
@@ -944,7 +825,7 @@ reg2118:
mov byte[vidmemch8+ebx],1
ret
reg2118inc:
NEWSYM reg2118inc
mov ebx,[vramaddr]
mov [vrama+ebx],al
shr ebx,4
@@ -955,7 +836,7 @@ reg2118inc:
add [vramaddr],bx
ret
reg2118inc8:
NEWSYM reg2118inc8
push ecx
xor ecx,ecx
mov ebx,[vramaddr]
@@ -985,7 +866,7 @@ reg2118inc8:
.nochange2
ret
reg2118inc8inc:
NEWSYM reg2118inc8inc
push ecx
xor ecx,ecx
mov ebx,[vramaddr]
@@ -1017,7 +898,7 @@ reg2118inc8inc:
add [vramaddr],bx
ret
reg2119:
NEWSYM reg2119
cmp dword[vramaddr],0E000h
jb .skip
mov byte[debstop],1
@@ -1033,7 +914,7 @@ reg2119:
.nochange
ret
reg2119inc:
NEWSYM reg2119inc
mov ebx,[vramaddr]
; cmp [vrama+ebx+1],al
; je .nochange
@@ -1047,7 +928,7 @@ reg2119inc:
add [vramaddr],bx
ret
reg2119inc8:
NEWSYM reg2119inc8
push ecx
xor ecx,ecx
mov ebx,[vramaddr]
@@ -1075,7 +956,7 @@ reg2119inc8:
.nochange2
ret
reg2119inc8inc:
NEWSYM reg2119inc8inc
push ecx
xor ecx,ecx
mov ebx,[vramaddr]