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snes-dont malfunction CARTROM memdomain when having a npow2 romsize

This commit is contained in:
zeromus 2014-02-26 09:33:38 +00:00
parent fa9f1c69b8
commit d0aec59e55
1 changed files with 6 additions and 1 deletions
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7
BizHawk.Emulation.Cores/Consoles/Nintendo/SNES/LibsnesCore.cs
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@ -955,6 +955,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
{ {
int size = api.QUERY_get_memory_size(id); int size = api.QUERY_get_memory_size(id);
int mask = size - 1; int mask = size - 1;
bool pow2 = Util.IsPowerOfTwo(size);
//if this type of memory isnt available, dont make the memory domain (most commonly save ram) //if this type of memory isnt available, dont make the memory domain (most commonly save ram)
if (size == 0) if (size == 0)
@ -975,10 +976,14 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
(addr, value) => { if (addr < 544) blockptr[addr] = value; } (addr, value) => { if (addr < 544) blockptr[addr] = value; }
); );
} }
else else if(pow2)
md = new MemoryDomain(name, size, endian, md = new MemoryDomain(name, size, endian,
(addr) => blockptr[addr & mask], (addr) => blockptr[addr & mask],
(addr, value) => blockptr[addr & mask] = value); (addr, value) => blockptr[addr & mask] = value);
else
md = new MemoryDomain(name, size, endian,
(addr) => blockptr[addr % size],
(addr, value) => blockptr[addr % size] = value);
_memoryDomains.Add(md); _memoryDomains.Add(md);