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Fixed mapping issue. Added support for SD Gundam GX add ons.

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This commit is contained in:
n-a-c-h
2004-01-04 19:21:20 +00:00
parent 3b82f054ce
commit 0c7631c0bd
2 changed files with 91 additions and 76 deletions
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131
zsnes/src/init.asm
View File

@@ -3410,67 +3410,6 @@ NEWSYM loadfileGUI
cmp dword[curromspace],0
je near .failed
mov eax,dword[curromspace]
mov dword[.curfileofs],eax
mov byte[lorommapmode2],0
mov esi,[romdata]
cmp dword[esi+207FC0h],'DERB'
jne .noderby96
cmp dword[esi+207FC4h],'Y ST'
jne .noderby96
cmp dword[esi+207FC8h],'ALLI'
jne .noderby96
cmp dword[esi+207FCDh],'N 96'
jne .noderby96
mov byte[lorommapmode2],1
.noderby96
cmp dword[esi+7FC0h],'SOUN'
jne .nosoundnovel
cmp dword[esi+7FC4h],'D NO'
jne .nosoundnovel
cmp dword[esi+7FC8h],'VEL-'
jne .nosoundnovel
cmp dword[esi+7FCDh],'COOL'
jne .nosoundnovel
mov byte[lorommapmode2],1
.nosoundnovel
jmp .skipall
; scan for branches
mov esi,06A5h
add esi,[romdata]
mov ecx,80h
.loopcheck
cmp byte[esi],48h
je .yes
cmp byte[esi],8Bh
je .yes
cmp byte[esi],0Bh
je .yes
cmp byte[esi],4Bh
je .yes
cmp byte[esi],08h
je .yes
cmp byte[esi],0DAh
je .yes
cmp byte[esi],5Ah
je .yes
jmp .no
.yes
pushad
mov al,byte[esi]
mov al,80h
sub al,cl
call printhex8
popad
.no
add esi,8000h
dec ecx
jnz .loopcheck
.skipall
call convertsram
mov byte[SramExists],0
@@ -3499,14 +3438,12 @@ NEWSYM loadfileGUI
call Output_Text
.inguib
mov eax,[.curfileofs]
mov eax,dword[curromspace]
mov dword[.curfileofs],eax
mov [NumofBytes],eax
shr eax,15
mov [NumofBanks],eax
mov eax,[.curfileofs]
shr eax,15
mov [NumofBanks],eax
cmp byte[.fail],0
je .notfailed
mov byte[yesoutofmemory],1
@@ -4417,9 +4354,6 @@ NEWSYM SetupROM
ret
NEWSYM CheckROMType
call SetAddressingModes
call GenerateBank0Table
pushad
call BankCheck
popad
@@ -4428,6 +4362,67 @@ NEWSYM CheckROMType
call MirrorROM
popad
mov byte[lorommapmode2],0
mov esi,[romdata]
cmp dword[esi+207FC0h],'DERB'
jne .noderby96
cmp dword[esi+207FC4h],'Y ST'
jne .noderby96
cmp dword[esi+207FC8h],'ALLI'
jne .noderby96
cmp dword[esi+207FCDh],'N 96'
jne .noderby96
mov byte[lorommapmode2],1
.noderby96
cmp dword[esi+7FC0h],'SOUN'
jne .nosoundnovel
cmp dword[esi+7FC4h],'D NO'
jne .nosoundnovel
cmp dword[esi+7FC8h],'VEL-'
jne .nosoundnovel
cmp dword[esi+7FCDh],'COOL'
jne .nosoundnovel
mov byte[lorommapmode2],1
.nosoundnovel
jmp .skipall
; scan for branches
mov esi,06A5h
add esi,[romdata]
mov ecx,80h
.loopcheck
cmp byte[esi],48h
je .yes
cmp byte[esi],8Bh
je .yes
cmp byte[esi],0Bh
je .yes
cmp byte[esi],4Bh
je .yes
cmp byte[esi],08h
je .yes
cmp byte[esi],0DAh
je .yes
cmp byte[esi],5Ah
je .yes
jmp .no
.yes
pushad
mov al,byte[esi]
mov al,80h
sub al,cl
call printhex8
popad
.no
add esi,8000h
dec ecx
jnz .loopcheck
.skipall
call SetAddressingModes
call GenerateBank0Table
; Chip Detection
mov byte[SFXEnable],0
mov byte[C4Enable],0

36
zsnes/src/initc.c
View File

@@ -362,6 +362,8 @@ void MirrorROM()
{
ROM[ROMSize++] = ROM[StartMirror++];
}
NumofBanks = curromspace >> 15;
}
//File loading code
@@ -605,22 +607,40 @@ void SplitSupport()
!ROM[Hi+21] && !ROM[Hi+22] && !ROM[Hi+23])
{
curromspace = 0;
if (maxromspace < 0x280000) { return; }
memcpy(ROM+0x200000, ROM, 0x80000);
strcpy(ZOpenFileName, "SAMEGAME.ZIP");
loadZipFile();
if (curromspace == 0x100200)
if ((curromspace & 0x7FFF) == 512)
{
memmove(ROM, ROM+512, 0x100000);
memmove(ROM, ROM+512, 0x200000);
curromspace -= 512;
}
else if (curromspace != 0x100000)
{
curromspace = 0;
return;
}
memcpy(ROM+0x100000, ROM, 0x100000);
if (!curromspace) { return; }
memcpy(ROM+0x100000, ROM, 0x100000); //Mirror 8 to 16
curromspace = 0x280000;
}
//SD Gundam G-Next add on
if (ROM[Lo+26] == 0x33 && curromspace == 0x80000 &&
!ROM[Lo+21] && !ROM[Lo+22] && !ROM[Lo+23] && !strncmp(ROM+Lo, "GNEXT", 5))
{
curromspace = 0;
if (maxromspace < 0x480000) { return; }
memcpy(ROM+0x400000, ROM, 0x80000);
strcpy(ZOpenFileName, "G-NEXT.ZIP");
loadZipFile();
if ((curromspace & 0x7FFF) == 512)
{
memmove(ROM, ROM+512, 0x400000);
curromspace -= 512;
}
if (!curromspace) { return; }
memcpy(ROM+0x180000, ROM+0x100000, 0x80000); //Mirror 12 to 16
memcpy(ROM+0x200000, ROM, 0x200000); //Mirror 16 to 32
curromspace = 0x480000;
}
}
extern bool Sup48mbit;