ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

change n64 memdomain so that rdram is big endian, and also working now. not sure about the other memdomains, they could still be broken.

This commit is contained in:
zeromus 2014-09-07 18:43:31 +00:00
parent a85b1d58a1
commit d220b94e76
1 changed files with 39 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
View File

@ -474,7 +474,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
#region Memory Domains
private MemoryDomain MakeMemoryDomain(string name, mupen64plusApi.N64_MEMORY id, MemoryDomain.Endian endian)
private MemoryDomain MakeMemoryDomain(string name, mupen64plusApi.N64_MEMORY id, MemoryDomain.Endian endian, bool swizzled = false)
{
int size = api.get_memory_size(id);
@ -486,28 +486,53 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
IntPtr memPtr = api.get_memory_ptr(id);
var md = new MemoryDomain(
name,
size,
endian,
delegate(int addr)
Func<int, byte> peekByte;
Action<int, byte> pokeByte;
if (swizzled)
{
peekByte = delegate(int addr)
{
if (addr < 0 || addr >= size)
{
throw new ArgumentOutOfRangeException();
}
return Marshal.ReadByte(memPtr, addr);
},
delegate(int addr, byte val)
return Marshal.ReadByte(memPtr, (addr ^ 3));
};
pokeByte = delegate(int addr, byte val)
{
if (addr < 0 || addr >= size)
{
throw new ArgumentOutOfRangeException();
}
Marshal.WriteByte(memPtr + addr, val);
});
Marshal.WriteByte(memPtr, (addr ^ 3), val);
};
}
else
{
peekByte = delegate(int addr)
{
if (addr < 0 || addr >= size)
{
throw new ArgumentOutOfRangeException();
}
return Marshal.ReadByte(memPtr, (addr));
};
pokeByte = delegate(int addr, byte val)
{
if (addr < 0 || addr >= size)
{
throw new ArgumentOutOfRangeException();
}
Marshal.WriteByte(memPtr, (addr), val);
};
}
var md = new MemoryDomain(name, size, endian, peekByte, pokeByte);
_memoryDomains.Add(md);
@ -516,7 +541,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
private void InitMemoryDomains()
{
MakeMemoryDomain("RDRAM", mupen64plusApi.N64_MEMORY.RDRAM, MemoryDomain.Endian.Little);
//zero 07-sep-2014 - made RDRAM big endian domain, but none others. others need to be studied individually.
MakeMemoryDomain("RDRAM", mupen64plusApi.N64_MEMORY.RDRAM, MemoryDomain.Endian.Big, true);
MakeMemoryDomain("PI Register", mupen64plusApi.N64_MEMORY.PI_REG, MemoryDomain.Endian.Little);
MakeMemoryDomain("SI Register", mupen64plusApi.N64_MEMORY.SI_REG, MemoryDomain.Endian.Little);
MakeMemoryDomain("VI Register", mupen64plusApi.N64_MEMORY.VI_REG, MemoryDomain.Endian.Little);