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Snes9x - Increase SRAM size to 512KB (#920)

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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:
bladeoner 2020-04-07 01:16:15 +02:00 committed by GitHub
parent b9d6ec7883
commit b17cca4d1c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 6 deletions
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4
source/snes9x/memmap.cpp
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@ -908,7 +908,7 @@ static void S9xDeinterleaveGD24 (int size, uint8 *base)
bool8 CMemory::Init (void) bool8 CMemory::Init (void)
{ {
RAM = (uint8 *) memalign(32,0x20000); RAM = (uint8 *) memalign(32,0x20000);
SRAM = (uint8 *) memalign(32,0x20000); SRAM = (uint8 *) memalign(32,0x80000);
VRAM = (uint8 *) memalign(32,0x10000); VRAM = (uint8 *) memalign(32,0x10000);
#ifdef USE_VM #ifdef USE_VM
ROM = (uint8 *) vm_malloc(MAX_ROM_SIZE + 0x200 + 0x8000); ROM = (uint8 *) vm_malloc(MAX_ROM_SIZE + 0x200 + 0x8000);
@ -953,7 +953,7 @@ 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
source/snes9x/snapshot.cpp
View File

@ -1167,7 +1167,7 @@ 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);
@ -1372,9 +1372,9 @@ 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;
@ -1544,7 +1544,7 @@ 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);