Exemplos de RdMem em C++ (Cpp)

Exemplo n.º 1

Arquivo: x6502.cpp Projeto: dborth/fceugx

void X6502_Run(int32 cycles)
{
  if(PAL)
   cycles*=15;    // 15*4=60
  else
   cycles*=16;    // 16*4=64

  _count+=cycles;
extern int test; test++;
  while(_count>0)
  {
   int32 temp;
   uint8 b1;

   if(_IRQlow)
   {
    if(_IRQlow&FCEU_IQRESET)
    {
	 DEBUG( if(debug_loggingCD) LogCDVectors(0xFFFC); )
     _PC=RdMem(0xFFFC);
     _PC|=RdMem(0xFFFD)<<8;
     _jammed=0;
     _PI=_P=I_FLAG;
     _IRQlow&=~FCEU_IQRESET;
    }
    else if(_IRQlow&FCEU_IQNMI2)

Exemplo n.º 2

Arquivo: x6502.cpp Projeto: VahidHeidari/NES_DEV

/**
* Initializes the 6502 CPU
**/
void X6502_Init(void)
{
	unsigned int i;

	// Initialize the CPU structure
	memset((void *)&X,0,sizeof(X));
     _PC=RdMem(0xFFFC);
     _PC|=RdMem(0xFFFD)<<8;
     _jammed=0;
	 _PI=_P=Z_FLAG | U_FLAG;
	 _S=0xFF;

	for(i = 0; i < sizeof(ZNTable); i++)
	{
		if(!i)
		{
			ZNTable[i] = Z_FLAG;
		}
		else if ( i & 0x80 )
		{
			ZNTable[i] = N_FLAG;
		}
		else
		{
			ZNTable[i] = 0;
		}
	}
}

Exemplo n.º 3

Arquivo: x6502.cpp Projeto: VahidHeidari/NES_DEV

static INLINE uint8 RdRAM(unsigned int A) 
{
  //bbit edited: this was changed so cheat substituion would work
  //return(_DB=ARead[A](A));
  // return(_DB=RAM[A]); 
	return RdMem(A);
}

Exemplo n.º 4

Arquivo: x6502.c Projeto: Kcchouette/AndroidEmu

static void TriggerNMIReal(void)
{
 if(!_jammed)
 {
  dprintf("NMI");
  ADDCYC(7);
  PUSH(_PC>>8);
  PUSH(_PC);
  _P&=~B_FLAG;
  PUSH(_P|U_FLAG);
  _PC=RdMem(0xFFFA);
  _PC|=RdMem(0xFFFB)<<8;
#ifdef DEBUG_ASM_6502
  PC_prev = _PC;
  OP_prev = 0x100;
#endif
 }

Exemplo n.º 5

Arquivo: x6502.cpp Projeto: VahidHeidari/NES_DEV

void X6502_Run(int32 cycles)
{
   uint8 b1;

   _PI=_P;
   b1=RdMem(_PC);
   _PC++;
   switch(b1)
   {
    #include "ops.inc"
   }
//  }
}

Exemplo n.º 6

Arquivo: x6502.c Projeto: SuperrSonic/libretro-fceumm

static void X6502_RunDebug(int32 cycles) {
	#define RdRAM RdMemHook
	#define WrRAM WrMemHook
	#define RdMem RdMemHook
	#define WrMem WrMemHook

	if (PAL)
		cycles *= 15;	/* 15*4=60 */
	else
		cycles *= 16;	/* 16*4=64 */

	_count += cycles;

	while (_count > 0) {
		int32 temp;
		uint8 b1;

		if (_IRQlow) {
			if (_IRQlow & FCEU_IQRESET) {
				_PC = RdMem(0xFFFC);
				_PC |= RdMem(0xFFFD) << 8;
				_jammed = 0;
				_PI = _P = I_FLAG;
				_IRQlow &= ~FCEU_IQRESET;
			} else if (_IRQlow & FCEU_IQNMI2) {
				_IRQlow &= ~FCEU_IQNMI2;
				_IRQlow |= FCEU_IQNMI;
			} else if (_IRQlow & FCEU_IQNMI) {
				if (!_jammed) {
					ADDCYC(7);
					PUSH(_PC >> 8);
					PUSH(_PC);
					PUSH((_P & ~B_FLAG) | (U_FLAG));
					_P |= I_FLAG;
					_PC = RdMem(0xFFFA);
					_PC |= RdMem(0xFFFB) << 8;
					_IRQlow &= ~FCEU_IQNMI;
				}
			} else {
				if (!(_PI & I_FLAG) && !_jammed) {
					ADDCYC(7);
					PUSH(_PC >> 8);
					PUSH(_PC);
					PUSH((_P & ~B_FLAG) | (U_FLAG));
					_P |= I_FLAG;
					_PC = RdMem(0xFFFE);
					_PC |= RdMem(0xFFFF) << 8;
				}
			}

Exemplo n.º 7

Arquivo: x6502.cpp Projeto: ben401/OpenEmu

static void X6502_RunDebug(int32 cycles)
{
	#define RdMem RdMemHook
	#define WrMem WrMemHook
        #define ADDBT(x) NESDBG_AddBranchTrace(x)

        if(PAL)
         cycles*=15;          // 15*4=60
        else
         cycles*=16;          // 16*4=64
 
        _count+=cycles;
 
	PenguinPower:
        while(_count>0)
        {
         int32 temp;   
         uint8 b1;

         if(_IRQlow && !X.cpoint) // Don't run IRQ stuff if we weren't here in a save state
         { 
          if(_IRQlow&MDFN_IQRESET)
          {
           _PC=RdMem(0xFFFC);
           _PC|=RdMem(0xFFFD)<<8;
	   ADDBT(_PC);
           _jammed=0;
           _PI=_P=I_FLAG;
           _IRQlow&=~MDFN_IQRESET;
          }
          else if(_IRQlow&MDFN_IQNMI2)
          {
           _IRQlow&=~MDFN_IQNMI2; 
           _IRQlow|=MDFN_IQNMI;
          }
          else if(_IRQlow&MDFN_IQNMI)
          {
           if(!_jammed)
           {
            ADDCYC(7);
            PUSH(_PC>>8);
            PUSH(_PC);
            PUSH((_P&~B_FLAG)|(U_FLAG));
            _P|=I_FLAG; 
            _PC=RdMem(0xFFFA); 
            _PC|=RdMem(0xFFFB)<<8;
	    ADDBT(_PC);
            _IRQlow&=~MDFN_IQNMI;
           }
          }
          else 
          { 
           if(!(_PI&I_FLAG) && !_jammed)
           {
            ADDCYC(7);
            PUSH(_PC>>8);
            PUSH(_PC);
            PUSH((_P&~B_FLAG)|(U_FLAG));
            _P|=I_FLAG;
            _PC=RdMem(0xFFFE);
            _PC|=RdMem(0xFFFF)<<8;
	    ADDBT(_PC);
           }
          }