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Lua - implement memory.readfloat() and memory.writefloat() and equivlant mainmemory functions

This commit is contained in:
adelikat 2013-10-07 21:41:19 +00:00
parent bcfe4ff576
commit 7e0e8ed51d
1 changed files with 355 additions and 314 deletions
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49
BizHawk.MultiClient/tools/Lua/LuaImplementation.cs
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@ -445,9 +445,9 @@ namespace BizHawk.MultiClient
"write_u24_be",
"write_u32_be",
"readbyte",
"writebyte"
//"registerwrite",
//"registerread",
"writebyte",
"readfloat",
"writefloat"
};
public static string[] MainMemoryFunctions = new[]
@ -481,7 +481,9 @@ namespace BizHawk.MultiClient
"write_u24_be",
"write_u32_be",
"readbyterange",
"writebyterange"
"writebyterange",
"readfloat",
"writefloat"
};
public static string[] SaveStateFunctions = new[]
@ -628,6 +630,7 @@ namespace BizHawk.MultiClient
"unregisterbyid",
"unregisterbyname"
};
/****************************************************/
/*************function definitions********************/
/****************************************************/
@ -1609,6 +1612,25 @@ namespace BizHawk.MultiClient
M_W_U_BE(addr, v, 4);
}
public float memory_readfloat(object lua_addr, bool bigendian)
{
int addr = LuaInt(lua_addr);
uint val = Global.Emulator.MemoryDomains[CurrentMemoryDomain].PeekDWord(addr, bigendian ? Endian.Big : Endian.Little);
byte[] bytes = BitConverter.GetBytes(val);
float _float = BitConverter.ToSingle(bytes, 0);
return _float;
}
public void memory_writefloat(object lua_addr, object lua_v, bool bigendian)
{
int addr = LuaInt(lua_addr);
float dv = (float)(double)lua_v;
byte[] bytes = BitConverter.GetBytes(dv);
uint v = BitConverter.ToUInt32(bytes, 0);
Global.Emulator.MemoryDomains[CurrentMemoryDomain].PokeDWord(addr, v, bigendian ? Endian.Big : Endian.Little);
}
private int M_R_S_LE(int addr, int size)
{
return U2S(M_R_U_LE(addr, size), size);
@ -1959,6 +1981,25 @@ namespace BizHawk.MultiClient
return s;
}
public float mainmemory_readfloat(object lua_addr, bool bigendian)
{
int addr = LuaInt(lua_addr);
uint val = Global.Emulator.MainMemory.PeekDWord(addr, bigendian ? Endian.Big : Endian.Little);
byte[] bytes = BitConverter.GetBytes(val);
float _float = BitConverter.ToSingle(bytes, 0);
return _float;
}
public void mainmemory_writefloat(object lua_addr, object lua_v, bool bigendian)
{
int addr = LuaInt(lua_addr);
float dv = (float)(double)lua_v;
byte[] bytes = BitConverter.GetBytes(dv);
uint v = BitConverter.ToUInt32(bytes, 0);
Global.Emulator.MainMemory.PokeDWord(addr, v, bigendian ? Endian.Big : Endian.Little);
}
//----------------------------------------------------
//Bitwise Operator library
//----------------------------------------------------