www.pudn.com > potemkin_sourceforPSP.rar > DSHLE.cpp

#include "stdafx.h" 
#include "DSHLE.h" 
#include "../MemMap.h" 
#include "../ARM/ARM.h" 
 
#define PARAM(n) ((ARMState*)currentCPU)->r[n] 
 
#define HLEDECL __cdecl 
 
typedef void (*TPatchFunction)(); 
struct Patch 
{ 
	char m_szPatchName[128];	 
	TPatchFunction PatchFunction; 
}; 
 
// TODO: optimize for source-is-pointer case 
void HLEDECL DS_HLE_memcpy() 
{ 
	u32 dest = PARAM(0), source=PARAM(1), count=PARAM(2); 
 
	u8 *s = GetMemPointer(source); 
	u8 *d = GetMemPointer(dest); 
	if (source && dest) 
	{ 
		memcpy(d,s,count); 
	} 
	/* 
	 *	else if (source) { } 
	 */ 
	else 
	{ 
		if ((count & 3) == 0) 
		{ 
			count >>= 2; 
			while (count--) 
			{ 
				WriteMem32(dest,ReadMem32(source)); 
				source+=4; 
				dest+=4; 
			} 
		} 
		else if ((count & 1) == 0) 
		{ 
			count >>= 1; 
			while (count--) 
			{ 
				WriteMem16(dest,ReadMem16(source)); 
				source+=2; 
				dest+=2; 
			} 
		} 
		else  
		{ 
			while (count--) 
			{ 
				WriteMem8(dest,ReadMem8(source)); 
				source++; 
				dest++; 
			} 
		} 
	} 
} 
 
 
void HLEDECL DS_HLE_MTX_Concat33() 
{ 
 
} 
 
void HLEDECL DS_HLE_MTX_Concat43() 
{ 
 
} 
 
void HLEDECL DS_HLE_MTX_Concat44() 
{ 
 
} 
 
void HLEDECL DS_HLE_MTX_Identity44() 
{ 
	u32 ptr = PARAM(0); 
	u32 *p = (u32 *)GetMemPointer(ptr); 
	_dbg_assert_msg_(HLE,p!=0,"Trying to identity a matrix in non-pointer memory"); 
	*p++=0x1000; *p++=0; *p++=0; *p++=0; 
	*p++=0; *p++=0x1000; *p++=0; *p++=0; 
	*p++=0; *p++=0; *p++=0x1000; *p++=0; 
	*p++=0; *p++=0; *p++=0; *p++=0x1000;  
	//common to all HLE funcs 
} 
 
void HLEDECL DS_HLE_MTX_Identity43() 
{ 
	u32 ptr = PARAM(0); 
	u32 *p = (u32 *)GetMemPointer(ptr); 
	_dbg_assert_msg_(HLE,p!=0,"Trying to identity a matrix in non-pointer memory"); 
	*p++=0x1000; *p++=0; *p++=0;  
	*p++=0; *p++=0x1000; *p++=0;  
	*p++=0; *p++=0; *p++=0x1000;  
	*p++=0; *p++=0; *p++=0; 
	//common to all HLE funcs 
} 
 
void HLEDECL DS_HLE_MTX_MultVec43() 
{ 
 
} 
 
 
void HLEDECL DS_HLE_RotAxis33() 
{ 
 
} 
 
void HLEDECL DS_HLE_FX_GetDivResult() 
{ 
 
} 
 
void HLEDECL DS_HLE_FX_GetDivResult64() 
{ 
 
} 
 
 
Patch DS_HLE_Patches[] =  
{ 
	{"memcpy", DS_HLE_memcpy}, 
	{"MTX_Identity43", DS_HLE_MTX_Identity43}, 
	{"MTX_Identity44", DS_HLE_MTX_Identity44}, 
}; 
 
 
void __cdecl CallHLEFunc(int index) 
{ 
	//currentARM->r[ARM_REG_PC] = currentARM->r[ARM_REG_LR]; 
} 
 
 
 
 
void DS_HLE_ARM9SWI(int number) 
{ 
	/* 
	switch (number) { 
	case : 
		break; 
	case : 
		break; 
	default: 
	}*/ 
} 
 
void DS_HLE_ARM7SWI(int number) 
{ 
 
}