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visualboyadvance-m
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Fixed bug in GB/GBC mode as described and detailed by Dwedit.

This commit is contained in:
mudlord 2007-11-01 06:05:39 +00:00
parent 0dae41c603
commit 64e4bca8bc
2 changed files with 30 additions and 14 deletions
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VBA.suo
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28
src/gb/GB.cpp
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@ -586,7 +586,12 @@ bool gbIsGameboyRom(char * file)
void gbCopyMemory(u16 d, u16 s, int count)
{
while(count) {
if (s>=0xE000 && s<0xFE00)
{
s-=0x2000;
}
while(count)
{
gbMemoryMap[d>>12][d & 0x0fff] = gbMemoryMap[s>>12][s & 0x0fff];
s++;
d++;
@ -669,10 +674,16 @@ void gbWriteMemory(register u16 address, register u8 value)
return;
}
if(address < 0xfe00) {
if (address<0xE000)
{
gbMemoryMap[address>>12][address & 0x0fff] = value;
return;
}
if(address < 0xfe00)
{
gbMemoryMap[(address-0x2000)>>12][address & 0x0fff] = value;
return;
}
if(address < 0xff00) {
gbMemory[address] = value;
@ -1155,7 +1166,7 @@ u8 gbReadOpcode(register u16 address)
if(gbCheatMap[address])
return gbCheatRead(address);
switch(address & 0xf000) {
switch((address>>12) & 0x000f) {
case 0x0a:
case 0x0b:
if(mapperReadRAM)
@ -1216,7 +1227,10 @@ u8 gbReadOpcode(register u16 address)
}
break;
}
return gbMemoryMap[address>>12][address & 0x0fff];
if (address>=0xE000 && address<0xFE00)
{
return gbMemoryMap[(address-0x2000)>>12][address & 0x0fff];
}
}
u8 gbReadMemory(register u16 address)
@ -1381,8 +1395,10 @@ u8 gbReadMemory(register u16 address)
return register_IE;
}
}
return gbMemoryMap[address>>12][address & 0x0fff];
if (address>=0xE000 && address<0xFE00)
{
return gbMemoryMap[(address-0x2000)>>12][address & 0x0fff];
}
}
void gbVblank_interrupt()