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snes9x
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Increase SRAM size to 512KB 

Increased SRAM size from 128KB to 512KB.  This fixes a crash in the
emulator when writing to SRAM between addresses $720000 and $7DFFFF.
This commit is contained in:
Paul Brannan 2020-03-31 06:35:29 -04:00
parent bdd7db354d
commit a70aa17c56
2 changed files with 6 additions and 6 deletions
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4
memmap.cpp
View File

@ -894,7 +894,7 @@ static void S9xDeinterleaveGD24 (int size, uint8 *base)
bool8 CMemory::Init (void) bool8 CMemory::Init (void)
{ {
RAM = (uint8 *) malloc(0x20000); RAM = (uint8 *) malloc(0x20000);
SRAM = (uint8 *) malloc(0x20000); SRAM = (uint8 *) malloc(0x80000);
VRAM = (uint8 *) malloc(0x10000); VRAM = (uint8 *) malloc(0x10000);
ROM = (uint8 *) malloc(MAX_ROM_SIZE + 0x200 + 0x8000); ROM = (uint8 *) malloc(MAX_ROM_SIZE + 0x200 + 0x8000);
@ -935,7 +935,7 @@ bool8 CMemory::Init (void)
} }
memset(RAM, 0, 0x20000); memset(RAM, 0, 0x20000);
memset(SRAM, 0, 0x20000); memset(SRAM, 0, 0x80000);
memset(VRAM, 0, 0x10000); memset(VRAM, 0, 0x10000);
memset(ROM, 0, MAX_ROM_SIZE + 0x200 + 0x8000); memset(ROM, 0, MAX_ROM_SIZE + 0x200 + 0x8000);

8
snapshot.cpp
View File

@ -1199,7 +1199,7 @@ void S9xFreezeToStream (STREAM stream)
FreezeBlock (stream, "RAM", Memory.RAM, 0x20000); FreezeBlock (stream, "RAM", Memory.RAM, 0x20000);
FreezeBlock (stream, "SRA", Memory.SRAM, 0x20000); FreezeBlock (stream, "SRA", Memory.SRAM, 0x80000);
FreezeBlock (stream, "FIL", Memory.FillRAM, 0x8000); FreezeBlock (stream, "FIL", Memory.FillRAM, 0x8000);
@ -1404,9 +1404,9 @@ int S9xUnfreezeFromStream (STREAM stream)
break; break;
if (fast) if (fast)
result = UnfreezeBlock(stream, "SRA", Memory.SRAM, 0x20000); result = UnfreezeBlock(stream, "SRA", Memory.SRAM, 0x80000);
else else
result = UnfreezeBlockCopy (stream, "SRA", &local_sram, 0x20000); result = UnfreezeBlockCopy (stream, "SRA", &local_sram, 0x80000);
if (result != SUCCESS) if (result != SUCCESS)
break; break;
@ -1576,7 +1576,7 @@ int S9xUnfreezeFromStream (STREAM stream)
memcpy(Memory.RAM, local_ram, 0x20000); memcpy(Memory.RAM, local_ram, 0x20000);
if (local_sram) if (local_sram)
memcpy(Memory.SRAM, local_sram, 0x20000); memcpy(Memory.SRAM, local_sram, 0x80000);
if (local_fillram) if (local_fillram)
memcpy(Memory.FillRAM, local_fillram, 0x8000); memcpy(Memory.FillRAM, local_fillram, 0x8000);