void decodeInstruction(instruction_t instruction,uint32_t *registro,flags_t *bandera, uint8_t *SRAM, uint16_t *codificacion, char **Flash)
{
int i;
*codificacion=0; // valor incial
// comparar el mnemonic con el nombre de cada una de las funciones, y asi ejecutar la adecuada
if( strcmp(instruction.mnemonic,"LDR") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
*codificacion=(13<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
instruction.op3_value<<=2;
if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000))
{
LDR(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,SRAM);
}
if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='#'))
{
*codificacion=(19<<11)+(instruction.op1_value<<8)+instruction.op3_value;
instruction.op3_value<<=2;
if(((*(registro+13)+instruction.op3_value)>=0x20000000)&&((*(registro+13)+instruction.op3_value)<0x40000000))
{
LDR(registro+instruction.op1_value,*(registro+13),instruction.op3_value,SRAM);
}
if((*(registro+13)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+13)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+13)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='P') && (instruction.op3_type=='#')) // label
{
*codificacion=(9<<11)+(instruction.op1_value<<8)+instruction.op3_value;
instruction.op3_value<<=2;
if(((*(registro+15)+instruction.op3_value)>=0x20000000)&&((*(registro+15)+instruction.op3_value)<0x40000000))
{
LDR(registro+instruction.op1_value,*(registro+15),instruction.op3_value,SRAM);
}
if((*(registro+15)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+15)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+15)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
*codificacion=(11<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
LDR(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read);
}
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"LDRB") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
*codificacion=(15<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000))
{
LDRB(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,SRAM);
}
if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000)
{
uint8_t data;
IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,&data,Read);
*(registro+instruction.op1_value)= (uint32_t)data;
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
*codificacion=(1<<14)+(7<<10)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
LDRB(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
uint8_t data;
IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,&data,Read);
*(registro+instruction.op1_value)=(uint32_t) data;
}
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"LDRH") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
*codificacion=(1<<15)+(1<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
instruction.op3_value<<=1;
if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000))
{
LDRH(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,SRAM);
}
if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
*codificacion=(5<<12)+(5<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
LDRH(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read);
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"LDRSB") ==0)
{
*codificacion=(5<<12)+(3<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
LDRSB(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read);
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"LDRSH") ==0)
{
*codificacion=(5<<12)+(7<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
LDRSH(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read);
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"STR") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
*codificacion=(3<<13)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
instruction.op3_value<<=2;
if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000))
{
STR(*(registro+instruction.op1_value),*(registro+instruction.op2_value),instruction.op3_value,SRAM);
}
if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Write);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='#'))
{
*codificacion=(9<<12)+(instruction.op1_value<<8)+instruction.op3_type;
instruction.op3_value<<=2;
if(((*(registro+13)+instruction.op3_value)>=0x20000000)&&((*(registro+13)+instruction.op3_value)<0x40000000))
{
STR(*(registro+instruction.op1_value),*(registro+13),instruction.op3_value,SRAM);
}
if((*(registro+13)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+13)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+13)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Write);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
*codificacion=(5<<12)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
STR(*(registro+instruction.op1_value),*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Write);
}
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"STRB") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
*codificacion=(7<<12)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000))
{
STRB(*(registro+instruction.op1_value),*(registro+instruction.op2_value),instruction.op3_value,SRAM);
}
if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000)
{
uint8_t data;
data=(uint8_t)(*(registro+instruction.op1_value));
IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,&data,Write);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
*codificacion=(21<<10)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
STRB(*(registro+instruction.op1_value),*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
uint8_t data;
data=(uint8_t)(*(registro+instruction.op1_value));
IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,&data,Write);
}
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"STRH") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
*codificacion=(1<<15)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
instruction.op3_value<<=1;
if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000))
{
STRH(*(registro+instruction.op1_value),*(registro+instruction.op2_value),instruction.op3_value,SRAM);
}
if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000)
{
}
if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Write);
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
*codificacion=(5<<12)+(1<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000))
{
STRH(*(registro+instruction.op1_value),*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM);
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000)
{
}
if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000)
{
//IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Write);
}
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"PUSH") ==0)
{
for(i=0;i<8;i++)
{
*codificacion+=(instruction.registers_list[i]<<i);
}
*codificacion+=(11<<12)+(1<<10)+(instruction.registers_list[14]<<8);
PUSH(registro,SRAM,&instruction.registers_list[0]);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"POP") ==0)
{
for(i=0;i<8;i++)
{
*codificacion+=(instruction.registers_list[i]<<i);
}
*codificacion=(11<<12)+(3<<10)+(instruction.registers_list[15]<<8);
POP(registro,SRAM,&instruction.registers_list[0]);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"ADCS") ==0)
{
*codificacion=(1<<14)+(5<<6)+(instruction.op2_value<<3)+instruction.op1_value;
ADCS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"ADD") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R'))
{
ADD(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value));
*codificacion=(1<<14)+(1<<10)+(instruction.op2_value<<3)+((8&instruction.op1_value)<<4)+(7&instruction.op1_value);
}
if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='#'))
{
ADD(registro+instruction.op1_value,*(registro+13),instruction.op2_value);
*codificacion=(21<<11)+(instruction.op1_value<<8)+instruction.op3_value;
}
if((instruction.op1_type=='S') && (instruction.op2_type=='S') && (instruction.op3_type=='#'))
{
ADD(registro+13,*(registro+13),instruction.op3_value);
*codificacion=(11<<12)+instruction.op3_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='R'))
{
ADD(registro+instruction.op1_value,*(registro+13),*(registro+instruction.op3_value));
*codificacion=(1<<14)+(1<<10)+(13<<3)+((8&instruction.op1_value)<<4)+(7&instruction.op1_value);
}
if((instruction.op1_type=='S') && (instruction.op2_type=='R'))
{
ADD(registro+13,*(registro+13),*(registro+instruction.op2_value));
*codificacion=(1<<14)+(9<<7)+5+(instruction.op2_value<<3);
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"ADDS") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
ADDS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera);
*codificacion=(7<<10)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='#'))
{
ADDS(registro+instruction.op1_value,*(registro+instruction.op1_value),instruction.op2_value,bandera);
*codificacion=(3<<12)+(instruction.op1_value<<8)+instruction.op2_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
ADDS(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value), bandera);
*codificacion=(3<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
registro[15]++;
}
// los parametros de las demas funciones aritmeticas, de desplazamiento y logicas son similares
if( strcmp(instruction.mnemonic,"ANDS") ==0)
{
*codificacion=(1<<14)+(instruction.op2_value<<3)+instruction.op1_value;
ANDS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"ASRS") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R'))
{
ASRS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
*codificacion=(1<<14)+(1<<8)+(instruction.op2_value<<3)+instruction.op1_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
ASRS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera);
*codificacion=(1<<12)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"BICS") ==0)
{
*codificacion=(1<<14)+(14<<6)+(instruction.op2_value<<3)+instruction.op1_value;
BICS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"CMN") ==0)
{
*codificacion=(1<<14)+(11<6)+(instruction.op2_value<<3)+instruction.op1_value;
CMN(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // En diferencia a las demas funciones, se envian como parametros 2 valores
registro[15]++;
}
if( strcmp(instruction.mnemonic,"CMP") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R'))
{
if(instruction.op1_value>=8)
{
CMP(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // En diferencia a las demas funciones, se envian como parametros 2 valores
*codificacion=(1<<14)+(5<<8)+(instruction.op2_value<<3)+(7&instruction.op1_value)+((8&instruction.op1_value)<<4);
}
else
{
CMP(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // En diferencia a las demas funciones, se envian como parametros 2 valores
*codificacion=(1<<14)+(10<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
}
if((instruction.op1_type=='R') && (instruction.op2_type=='#'))
{
CMP(*(registro+instruction.op1_value),instruction.op2_value, bandera); // Como parametros se tienen el contenido de un registro y un valor
*codificacion=(5<<11)+(instruction.op1_value<<8)+instruction.op2_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"EORS") ==0)
{
*codificacion=(1<<14)+(1<<6)+(instruction.op2_value<<3)+instruction.op1_value;
EORS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value),bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"LSLS") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R'))
{
LSLS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
*codificacion=(1<<14)+(1<<7)+(instruction.op2_value<<3)+instruction.op1_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
LSLS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera);
*codificacion=(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"LSRS") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R'))
{
LSRS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
*codificacion=(1<<14)+(3<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
LSRS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera);
*codificacion=(1<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"MOV") ==0)
{
*codificacion=(1<<14)+(3<<9)+(instruction.op2_value<<3)+(7&instruction.op1_value)+((8&instruction.op1_value)<<4);
MOV(registro+instruction.op1_value,*(registro+instruction.op2_value)); // Envio como parametros una direccion y el contenido de un registro
registro[15]++;
}
if( strcmp(instruction.mnemonic,"MOVS") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='#'))
{
MOVS(registro+instruction.op1_value,instruction.op2_value, bandera);
*codificacion=(1<<13)+(instruction.op1_value<<8)+instruction.op2_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R'))
{
MOVS(registro+instruction.op1_value,*(registro+instruction.op2_value),bandera);
*codificacion=(instruction.op2_value<<3)+instruction.op1_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"MULS") ==0)
{
*codificacion=(1<<14)+(13<<6)+(instruction.op2_value<<3)+instruction.op3_value;
MULS(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"MVNS") ==0)
{
*codificacion=(1<<14)+(15<<6)+(instruction.op2_value<<3)+instruction.op1_value;
RSBS(registro+instruction.op1_value,*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"NOP") ==0)
{
*codificacion=(11<<12)+(15<<8);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"ORRS") ==0)
{
*codificacion=(1<<14)+(3<<8)+(instruction.op2_value<<3)+instruction.op1_value;
ORRS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"REV") ==0)
{
*codificacion=(11<<12)+(5<<9)+(instruction.op2_value<<3)+instruction.op1_value;
REV(registro+instruction.op1_value, *(registro+instruction.op2_value));
registro[15]++;
}
if( strcmp(instruction.mnemonic,"REV16") ==0)
{
*codificacion=(11<<12)+(5<<9)+(1<<6)+(instruction.op2_value<<3)+instruction.op1_value;
REV16(registro+instruction.op1_value,*(registro+instruction.op2_value));
registro[15]++;
}
if( strcmp(instruction.mnemonic,"REVSH") ==0)
{
*codificacion=(11<<12)+(5<<9)+(3<<6)+(instruction.op2_value<<3)+instruction.op1_value;
REVSH(registro+instruction.op1_value,*(registro+instruction.op2_value));
registro[15]++;
}
if( strcmp(instruction.mnemonic,"RORS") ==0)
{
*codificacion=(1<<14)+(7<<6)+(instruction.op2_value<<3)+instruction.op1_value;
RORS(registro+instruction.op1_value,*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"RSBS") ==0)
{
*codificacion=(1<<14)+(9<<6)+(instruction.op2_value<<3)+instruction.op1_value;
RSBS(registro+instruction.op1_value,*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"SBCS") ==0)
{
*codificacion=(1<<14)+(3<<7)+(instruction.op2_value<<3)+instruction.op1_value;
SBCS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera);
registro[15]++;
}
if( strcmp(instruction.mnemonic,"SUB") ==0)
{
if((instruction.op1_type=='S') && (instruction.op2_type=='S') && (instruction.op3_type=='#'))
{
SUB(registro+13,*(registro+13),instruction.op3_value);
*codificacion=(11<<12)+(1<<7)+instruction.op3_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"SUBS") ==0)
{
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#'))
{
SUBS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera);
*codificacion=(15<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='#'))
{
SUBS(registro+instruction.op1_value,*(registro+instruction.op1_value),instruction.op2_value,bandera);
*codificacion=(7<<11)+(instruction.op1_value<<8)+instruction.op2_value;
}
if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R'))
{
SUBS(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value), bandera);
*codificacion=(13<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value;
}
registro[15]++;
}
if( strcmp(instruction.mnemonic,"TST") ==0)
{
*codificacion=(1<<14)+(1<<9)+(instruction.op2_value<<3)+instruction.op1_value;
TST(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // Como parametros se tienen el contenido de un registro y un valor
registro[15]++;
}
// Las siguientes funciones, son funciones de saltos
if( strcmp(instruction.mnemonic,"B") ==0)
{
*codificacion=(7<<13)+instruction.op1_value;
B(registro,instruction.op1_value); // Envio como parametroa la direccion de registro y el valor del salto
}
if( strcmp(instruction.mnemonic,"BL") ==0)
{
*codificacion=(31<<11)+(2047&instruction.op1_value);
BL(registro,instruction.op1_value); // Envio como parametroa la direccion de registro y el valor del salto
}
if( strcmp(instruction.mnemonic,"BLX") ==0)
{
*codificacion=(1<<14)+(15<<7)+(instruction.op1_value<<3);
BLX(registro,*(registro+instruction.op1_value)); // Envio como parametroa la direccion de registro y el contenido de un registro
}
if( strcmp(instruction.mnemonic,"BX") ==0)
{
*codificacion=(1<<14)+(14<<7)+(instruction.op1_value<<3);
if(instruction.op1_type=='L') // Sucede cuando
{
BX(registro,registro[14]); // PC=LR
}
if(instruction.op1_type=='R') // Sucede cuando se tiene como parametro un registro diferente a LR
{
BX(registro,*(registro+instruction.op1_value));
}
}
if( strcmp(instruction.mnemonic,"BEQ") ==0)
{
*codificacion=(13<<12)+instruction.op1_value;
BEQ(registro,instruction.op1_value,*bandera); // Envio como parametros la direccion de registro, el valor del salto y las banderas
}
// Todas las siguientes funciones de salto tienen los mismos parametro que BEQ
if( strcmp(instruction.mnemonic,"BNE") ==0)
{
*codificacion=(13<<12)+(1<<8)+instruction.op1_value;
BNE(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BCS") ==0)
{
*codificacion=(13<<12)+(2<<8)+instruction.op1_value;
BCS(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BCC") ==0)
{
*codificacion=(13<<12)+(3<<8)+instruction.op1_value;
BCC(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BMI") ==0)
{
*codificacion=(13<<12)+(4<<8)+instruction.op1_value;
BMI(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BPL") ==0)
{
*codificacion=(13<<12)+(5<<8)+instruction.op1_value;
BPL(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BVS") ==0)
{
*codificacion=(13<<12)+(6<<8)+instruction.op1_value;
BVS(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BVC") ==0)
{
*codificacion=(13<<12)+(7<<8)+instruction.op1_value;
BVC(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BHI") ==0)
{
*codificacion=(13<<12)+(8<<8)+instruction.op1_value;
BHI(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BLS") ==0)
{
*codificacion=(13<<12)+(9<<8)+instruction.op1_value;
BLS(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BGE") ==0)
{
*codificacion=(13<<12)+(10<<8)+instruction.op1_value;
BGE(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BLT") ==0)
{
*codificacion=(13<<12)+(11<<8)+instruction.op1_value;
BLT(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BGT") ==0)
{
*codificacion=(13<<12)+(12<<8)+instruction.op1_value;
BGT(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BLE") ==0)
{
*codificacion=(13<<12)+(13<<8)+instruction.op1_value;
BLE(registro,instruction.op1_value,*bandera);
}
if( strcmp(instruction.mnemonic,"BAL") ==0)
{
*codificacion=(13<<12)+(14<<8)+instruction.op1_value;
BAL(registro,instruction.op1_value,*bandera);
}
}
//
// 柦椷幚峴
//
INT CPU::EXEC( INT request_cycles )
{
BYTE opcode; // 僆儁僐乕僪
INT OLD_cycles = TOTAL_cycles;
INT exec_cycles;
BYTE nmi_request, irq_request;
BOOL bClockProcess = m_bClockProcess;
// TEMP
register WORD EA;
register WORD ET;
register WORD WT;
register BYTE DT;
while( request_cycles > 0 ) {
exec_cycles = 0;
if( DMA_cycles ) {
if( request_cycles <= DMA_cycles ) {
DMA_cycles -= request_cycles;
TOTAL_cycles += request_cycles;
// 僋儘僢僋摨婜張棟
mapper->Clock( request_cycles );
#if DPCM_SYNCCLOCK
apu->SyncDPCM( request_cycles );
#endif
if( bClockProcess ) {
nes->Clock( request_cycles );
}
// nes->Clock( request_cycles );
goto _execute_exit;
} else {
exec_cycles += DMA_cycles;
// request_cycles -= DMA_cycles;
DMA_cycles = 0;
}
}
nmi_request = irq_request = 0;
opcode = OP6502( R.PC++ );
if( R.INT_pending ) {
if( R.INT_pending & NMI_FLAG ) {
nmi_request = 0xFF;
R.INT_pending &= ~NMI_FLAG;
} else
if( R.INT_pending & IRQ_MASK ) {
R.INT_pending &= ~IRQ_TRIGGER2;
if( !(R.P & I_FLAG) && opcode != 0x40 ) {
irq_request = 0xFF;
R.INT_pending &= ~IRQ_TRIGGER;
}
}
}
//增加指令预测忽略功能
//opcode
BYTE iInstructionLen =1;
switch (TraceAddrMode[opcode])
{
case IND:
case ADR:
case ABS:
case ABX:
case ABY:
iInstructionLen = 3;
break;
case IMM:
case ZPG:
case ZPX:
case ZPY:
case INX:
case INY:
iInstructionLen = 2;
break;
case IMP:case ACC:case ERR: break;
case REL:iInstructionLen = 2;break;
}
if( ((TraceArr[opcode][0]=='*') ||
(TraceArr[opcode][1]=='?'))&&
(!Config.emulator.bIllegalOp) )
{
//这里可以优化输出信息
//char str[111];
//DecodeInstruction (R.PC-1, str);
//DEBUGOUT( "Bad Instruction:%s\n",str);
R.PC=(R.PC-1)+iInstructionLen;
ADD_CYCLE(iInstructionLen*2);
goto end_is;
}
//
switch( opcode ) {
case 0x69: // ADC #$??
MR_IM(); ADC();
ADD_CYCLE(2);
break;
case 0x65: // ADC $??
MR_ZP(); ADC();
ADD_CYCLE(3);
break;
case 0x75: // ADC $??,X
MR_ZX(); ADC();
ADD_CYCLE(4);
break;
case 0x6D: // ADC $????
MR_AB(); ADC();
ADD_CYCLE(4);
break;
case 0x7D: // ADC $????,X
MR_AX(); ADC(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x79: // ADC $????,Y
MR_AY(); ADC(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x61: // ADC ($??,X)
MR_IX(); ADC();
ADD_CYCLE(6);
break;
case 0x71: // ADC ($??),Y
MR_IY(); ADC(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xE9: // SBC #$??
MR_IM(); SBC();
ADD_CYCLE(2);
break;
case 0xE5: // SBC $??
MR_ZP(); SBC();
ADD_CYCLE(3);
break;
case 0xF5: // SBC $??,X
MR_ZX(); SBC();
ADD_CYCLE(4);
break;
case 0xED: // SBC $????
MR_AB(); SBC();
ADD_CYCLE(4);
break;
case 0xFD: // SBC $????,X
MR_AX(); SBC(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xF9: // SBC $????,Y
MR_AY(); SBC(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xE1: // SBC ($??,X)
MR_IX(); SBC();
ADD_CYCLE(6);
break;
case 0xF1: // SBC ($??),Y
MR_IY(); SBC(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0xC6: // DEC $??
MR_ZP(); DEC(); MW_ZP();
ADD_CYCLE(5);
break;
case 0xD6: // DEC $??,X
MR_ZX(); DEC(); MW_ZP();
ADD_CYCLE(6);
break;
case 0xCE: // DEC $????
MR_AB(); DEC(); MW_EA();
ADD_CYCLE(6);
break;
case 0xDE: // DEC $????,X
MR_AX(); DEC(); MW_EA();
ADD_CYCLE(7);
break;
case 0xCA: // DEX
DEX();
ADD_CYCLE(2);
break;
case 0x88: // DEY
DEY();
ADD_CYCLE(2);
break;
case 0xE6: // INC $??
MR_ZP(); INC(); MW_ZP();
ADD_CYCLE(5);
break;
case 0xF6: // INC $??,X
MR_ZX(); INC(); MW_ZP();
ADD_CYCLE(6);
break;
case 0xEE: // INC $????
MR_AB(); INC(); MW_EA();
ADD_CYCLE(6);
break;
case 0xFE: // INC $????,X
MR_AX(); INC(); MW_EA();
ADD_CYCLE(7);
break;
case 0xE8: // INX
INX();
ADD_CYCLE(2);
break;
case 0xC8: // INY
INY();
ADD_CYCLE(2);
break;
case 0x29: // AND #$??
MR_IM(); AND();
ADD_CYCLE(2);
break;
case 0x25: // AND $??
MR_ZP(); AND();
ADD_CYCLE(3);
break;
case 0x35: // AND $??,X
MR_ZX(); AND();
ADD_CYCLE(4);
break;
case 0x2D: // AND $????
MR_AB(); AND();
ADD_CYCLE(4);
break;
case 0x3D: // AND $????,X
MR_AX(); AND(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x39: // AND $????,Y
MR_AY(); AND(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x21: // AND ($??,X)
MR_IX(); AND();
ADD_CYCLE(6);
break;
case 0x31: // AND ($??),Y
MR_IY(); AND(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0x0A: // ASL A
ASL_A();
ADD_CYCLE(2);
break;
case 0x06: // ASL $??
MR_ZP(); ASL(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x16: // ASL $??,X
MR_ZX(); ASL(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x0E: // ASL $????
MR_AB(); ASL(); MW_EA();
ADD_CYCLE(6);
break;
case 0x1E: // ASL $????,X
MR_AX(); ASL(); MW_EA();
ADD_CYCLE(7);
break;
case 0x24: // BIT $??
MR_ZP(); BIT();
ADD_CYCLE(3);
break;
case 0x2C: // BIT $????
MR_AB(); BIT();
ADD_CYCLE(4);
break;
case 0x49: // EOR #$??
MR_IM(); EOR();
ADD_CYCLE(2);
break;
case 0x45: // EOR $??
MR_ZP(); EOR();
ADD_CYCLE(3);
break;
case 0x55: // EOR $??,X
MR_ZX(); EOR();
ADD_CYCLE(4);
break;
case 0x4D: // EOR $????
MR_AB(); EOR();
ADD_CYCLE(4);
break;
case 0x5D: // EOR $????,X
MR_AX(); EOR(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x59: // EOR $????,Y
MR_AY(); EOR(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x41: // EOR ($??,X)
MR_IX(); EOR();
ADD_CYCLE(6);
break;
case 0x51: // EOR ($??),Y
MR_IY(); EOR(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0x4A: // LSR A
LSR_A();
ADD_CYCLE(2);
break;
case 0x46: // LSR $??
MR_ZP(); LSR(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x56: // LSR $??,X
MR_ZX(); LSR(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x4E: // LSR $????
MR_AB(); LSR(); MW_EA();
ADD_CYCLE(6);
break;
case 0x5E: // LSR $????,X
MR_AX(); LSR(); MW_EA();
ADD_CYCLE(7);
break;
case 0x09: // ORA #$??
MR_IM(); ORA();
ADD_CYCLE(2);
break;
case 0x05: // ORA $??
MR_ZP(); ORA();
ADD_CYCLE(3);
break;
case 0x15: // ORA $??,X
MR_ZX(); ORA();
ADD_CYCLE(4);
break;
case 0x0D: // ORA $????
MR_AB(); ORA();
ADD_CYCLE(4);
break;
case 0x1D: // ORA $????,X
MR_AX(); ORA(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x19: // ORA $????,Y
MR_AY(); ORA(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x01: // ORA ($??,X)
MR_IX(); ORA();
ADD_CYCLE(6);
break;
case 0x11: // ORA ($??),Y
MR_IY(); ORA(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0x2A: // ROL A
ROL_A();
ADD_CYCLE(2);
break;
case 0x26: // ROL $??
MR_ZP(); ROL(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x36: // ROL $??,X
MR_ZX(); ROL(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x2E: // ROL $????
MR_AB(); ROL(); MW_EA();
ADD_CYCLE(6);
break;
case 0x3E: // ROL $????,X
MR_AX(); ROL(); MW_EA();
ADD_CYCLE(7);
break;
case 0x6A: // ROR A
ROR_A();
ADD_CYCLE(2);
break;
case 0x66: // ROR $??
MR_ZP(); ROR(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x76: // ROR $??,X
MR_ZX(); ROR(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x6E: // ROR $????
MR_AB(); ROR(); MW_EA();
ADD_CYCLE(6);
break;
case 0x7E: // ROR $????,X
MR_AX(); ROR(); MW_EA();
ADD_CYCLE(7);
break;
case 0xA9: // LDA #$??
MR_IM(); LDA();
ADD_CYCLE(2);
break;
case 0xA5: // LDA $??
MR_ZP(); LDA();
ADD_CYCLE(3);
break;
case 0xB5: // LDA $??,X
MR_ZX(); LDA();
ADD_CYCLE(4);
break;
case 0xAD: // LDA $????
MR_AB(); LDA();
ADD_CYCLE(4);
break;
case 0xBD: // LDA $????,X
MR_AX(); LDA(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xB9: // LDA $????,Y
MR_AY(); LDA(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xA1: // LDA ($??,X)
MR_IX(); LDA();
ADD_CYCLE(6);
break;
case 0xB1: // LDA ($??),Y
MR_IY(); LDA(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0xA2: // LDX #$??
MR_IM(); LDX();
ADD_CYCLE(2);
break;
case 0xA6: // LDX $??
MR_ZP(); LDX();
ADD_CYCLE(3);
break;
case 0xB6: // LDX $??,Y
MR_ZY(); LDX();
ADD_CYCLE(4);
break;
case 0xAE: // LDX $????
MR_AB(); LDX();
ADD_CYCLE(4);
break;
case 0xBE: // LDX $????,Y
MR_AY(); LDX(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xA0: // LDY #$??
MR_IM(); LDY();
ADD_CYCLE(2);
break;
case 0xA4: // LDY $??
MR_ZP(); LDY();
ADD_CYCLE(3);
break;
case 0xB4: // LDY $??,X
MR_ZX(); LDY();
ADD_CYCLE(4);
break;
case 0xAC: // LDY $????
MR_AB(); LDY();
ADD_CYCLE(4);
break;
case 0xBC: // LDY $????,X
MR_AX(); LDY(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0x85: // STA $??
EA_ZP(); STA(); MW_ZP();
ADD_CYCLE(3);
break;
case 0x95: // STA $??,X
EA_ZX(); STA(); MW_ZP();
ADD_CYCLE(4);
break;
case 0x8D: // STA $????
EA_AB(); STA(); MW_EA();
ADD_CYCLE(4);
break;
case 0x9D: // STA $????,X
EA_AX(); STA(); MW_EA();
ADD_CYCLE(5);
break;
case 0x99: // STA $????,Y
EA_AY(); STA(); MW_EA();
ADD_CYCLE(5);
break;
case 0x81: // STA ($??,X)
EA_IX(); STA(); MW_EA();
ADD_CYCLE(6);
break;
case 0x91: // STA ($??),Y
EA_IY(); STA(); MW_EA();
ADD_CYCLE(6);
break;
case 0x86: // STX $??
EA_ZP(); STX(); MW_ZP();
ADD_CYCLE(3);
break;
case 0x96: // STX $??,Y
EA_ZY(); STX(); MW_ZP();
ADD_CYCLE(4);
break;
case 0x8E: // STX $????
EA_AB(); STX(); MW_EA();
ADD_CYCLE(4);
break;
case 0x84: // STY $??
EA_ZP(); STY(); MW_ZP();
ADD_CYCLE(3);
break;
case 0x94: // STY $??,X
EA_ZX(); STY(); MW_ZP();
ADD_CYCLE(4);
break;
case 0x8C: // STY $????
EA_AB(); STY(); MW_EA();
ADD_CYCLE(4);
break;
case 0xAA: // TAX
TAX();
ADD_CYCLE(2);
break;
case 0x8A: // TXA
TXA();
ADD_CYCLE(2);
break;
case 0xA8: // TAY
TAY();
ADD_CYCLE(2);
break;
case 0x98: // TYA
TYA();
ADD_CYCLE(2);
break;
case 0xBA: // TSX
TSX();
ADD_CYCLE(2);
break;
case 0x9A: // TXS
TXS();
ADD_CYCLE(2);
break;
case 0xC9: // CMP #$??
MR_IM(); CMP_();
ADD_CYCLE(2);
break;
case 0xC5: // CMP $??
MR_ZP(); CMP_();
ADD_CYCLE(3);
break;
case 0xD5: // CMP $??,X
MR_ZX(); CMP_();
ADD_CYCLE(4);
break;
case 0xCD: // CMP $????
MR_AB(); CMP_();
ADD_CYCLE(4);
break;
case 0xDD: // CMP $????,X
MR_AX(); CMP_(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xD9: // CMP $????,Y
MR_AY(); CMP_(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xC1: // CMP ($??,X)
MR_IX(); CMP_();
ADD_CYCLE(6);
break;
case 0xD1: // CMP ($??),Y
MR_IY(); CMP_(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0xE0: // CPX #$??
MR_IM(); CPX();
ADD_CYCLE(2);
break;
case 0xE4: // CPX $??
MR_ZP(); CPX();
ADD_CYCLE(3);
break;
case 0xEC: // CPX $????
MR_AB(); CPX();
ADD_CYCLE(4);
break;
case 0xC0: // CPY #$??
MR_IM(); CPY();
ADD_CYCLE(2);
break;
case 0xC4: // CPY $??
MR_ZP(); CPY();
ADD_CYCLE(3);
break;
case 0xCC: // CPY $????
MR_AB(); CPY();
ADD_CYCLE(4);
break;
case 0x90: // BCC
MR_IM(); BCC();
ADD_CYCLE(2);
break;
case 0xB0: // BCS
MR_IM(); BCS();
ADD_CYCLE(2);
break;
case 0xF0: // BEQ
MR_IM(); BEQ();
ADD_CYCLE(2);
break;
case 0x30: // BMI
MR_IM(); BMI();
ADD_CYCLE(2);
break;
case 0xD0: // BNE
MR_IM(); BNE();
ADD_CYCLE(2);
break;
case 0x10: // BPL
MR_IM(); BPL();
ADD_CYCLE(2);
break;
case 0x50: // BVC
MR_IM(); BVC();
ADD_CYCLE(2);
break;
case 0x70: // BVS
MR_IM(); BVS();
ADD_CYCLE(2);
break;
case 0x4C: // JMP $????
JMP();
ADD_CYCLE(3);
break;
case 0x6C: // JMP ($????)
JMP_ID();
ADD_CYCLE(5);
break;
case 0x20: // JSR
JSR();
ADD_CYCLE(6);
break;
case 0x40: // RTI
RTI();
ADD_CYCLE(6);
break;
case 0x60: // RTS
RTS();
ADD_CYCLE(6);
break;
// 僼儔僌惂屼宯
case 0x18: // CLC
CLC();
ADD_CYCLE(2);
break;
case 0xD8: // CLD
CLD();
ADD_CYCLE(2);
break;
case 0x58: // CLI
CLI();
ADD_CYCLE(2);
break;
case 0xB8: // CLV
CLV();
ADD_CYCLE(2);
break;
case 0x38: // SEC
SEC();
ADD_CYCLE(2);
break;
case 0xF8: // SED
SED();
ADD_CYCLE(2);
break;
case 0x78: // SEI
SEI();
ADD_CYCLE(2);
break;
// 僗僞僢僋宯
case 0x48: // PHA
PUSH( R.A );
ADD_CYCLE(3);
break;
case 0x08: // PHP
PUSH( R.P | B_FLAG );
ADD_CYCLE(3);
break;
case 0x68: // PLA (N-----Z-)
R.A = POP();
SET_ZN_FLAG(R.A);
ADD_CYCLE(4);
break;
case 0x28: // PLP
R.P = POP() | R_FLAG;
ADD_CYCLE(4);
break;
// 偦偺懠
case 0x00: // BRK
BRK();
ADD_CYCLE(7);
break;
case 0xEA: // NOP
ADD_CYCLE(2);
break;
// 枹岞奐柦椷孮
case 0x0B: // ANC #$??
case 0x2B: // ANC #$??
MR_IM(); ANC();
ADD_CYCLE(2);
break;
case 0x8B: // ANE #$??
MR_IM(); ANE();
ADD_CYCLE(2);
break;
case 0x6B: // ARR #$??
MR_IM(); ARR();
ADD_CYCLE(2);
break;
case 0x4B: // ASR #$??
MR_IM(); ASR();
ADD_CYCLE(2);
break;
case 0xC7: // DCP $??
MR_ZP(); DCP(); MW_ZP();
ADD_CYCLE(5);
break;
case 0xD7: // DCP $??,X
MR_ZX(); DCP(); MW_ZP();
ADD_CYCLE(6);
break;
case 0xCF: // DCP $????
MR_AB(); DCP(); MW_EA();
ADD_CYCLE(6);
break;
case 0xDF: // DCP $????,X
MR_AX(); DCP(); MW_EA();
ADD_CYCLE(7);
break;
case 0xDB: // DCP $????,Y
MR_AY(); DCP(); MW_EA();
ADD_CYCLE(7);
break;
case 0xC3: // DCP ($??,X)
MR_IX(); DCP(); MW_EA();
ADD_CYCLE(8);
break;
case 0xD3: // DCP ($??),Y
MR_IY(); DCP(); MW_EA();
ADD_CYCLE(8);
break;
case 0xE7: // ISB $??
MR_ZP(); ISB(); MW_ZP();
ADD_CYCLE(5);
break;
case 0xF7: // ISB $??,X
MR_ZX(); ISB(); MW_ZP();
ADD_CYCLE(5);
break;
case 0xEF: // ISB $????
MR_AB(); ISB(); MW_EA();
ADD_CYCLE(5);
break;
case 0xFF: // ISB $????,X
MR_AX(); ISB(); MW_EA();
ADD_CYCLE(5);
break;
case 0xFB: // ISB $????,Y
MR_AY(); ISB(); MW_EA();
ADD_CYCLE(5);
break;
case 0xE3: // ISB ($??,X)
MR_IX(); ISB(); MW_EA();
ADD_CYCLE(5);
break;
case 0xF3: // ISB ($??),Y
MR_IY(); ISB(); MW_EA();
ADD_CYCLE(5);
break;
case 0xBB: // LAS $????,Y
MR_AY(); LAS(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xA7: // LAX $??
MR_ZP(); LAX();
ADD_CYCLE(3);
break;
case 0xB7: // LAX $??,Y
MR_ZY(); LAX();
ADD_CYCLE(4);
break;
case 0xAF: // LAX $????
MR_AB(); LAX();
ADD_CYCLE(4);
break;
case 0xBF: // LAX $????,Y
MR_AY(); LAX(); CHECK_EA();
ADD_CYCLE(4);
break;
case 0xA3: // LAX ($??,X)
MR_IX(); LAX();
ADD_CYCLE(6);
break;
case 0xB3: // LAX ($??),Y
MR_IY(); LAX(); CHECK_EA();
ADD_CYCLE(5);
break;
case 0xAB: // LXA #$??
MR_IM(); LXA();
ADD_CYCLE(2);
break;
case 0x27: // RLA $??
MR_ZP(); RLA(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x37: // RLA $??,X
MR_ZX(); RLA(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x2F: // RLA $????
MR_AB(); RLA(); MW_EA();
ADD_CYCLE(6);
break;
case 0x3F: // RLA $????,X
MR_AX(); RLA(); MW_EA();
ADD_CYCLE(7);
break;
case 0x3B: // RLA $????,Y
MR_AY(); RLA(); MW_EA();
ADD_CYCLE(7);
break;
case 0x23: // RLA ($??,X)
MR_IX(); RLA(); MW_EA();
ADD_CYCLE(8);
break;
case 0x33: // RLA ($??),Y
MR_IY(); RLA(); MW_EA();
ADD_CYCLE(8);
break;
case 0x67: // RRA $??
MR_ZP(); RRA(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x77: // RRA $??,X
MR_ZX(); RRA(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x6F: // RRA $????
MR_AB(); RRA(); MW_EA();
ADD_CYCLE(6);
break;
case 0x7F: // RRA $????,X
MR_AX(); RRA(); MW_EA();
ADD_CYCLE(7);
break;
case 0x7B: // RRA $????,Y
MR_AY(); RRA(); MW_EA();
ADD_CYCLE(7);
break;
case 0x63: // RRA ($??,X)
MR_IX(); RRA(); MW_EA();
ADD_CYCLE(8);
break;
case 0x73: // RRA ($??),Y
MR_IY(); RRA(); MW_EA();
ADD_CYCLE(8);
break;
case 0x87: // SAX $??
MR_ZP(); SAX(); MW_ZP();
ADD_CYCLE(3);
break;
case 0x97: // SAX $??,Y
MR_ZY(); SAX(); MW_ZP();
ADD_CYCLE(4);
break;
case 0x8F: // SAX $????
MR_AB(); SAX(); MW_EA();
ADD_CYCLE(4);
break;
case 0x83: // SAX ($??,X)
MR_IX(); SAX(); MW_EA();
ADD_CYCLE(6);
break;
case 0xCB: // SBX #$??
MR_IM(); SBX();
ADD_CYCLE(2);
break;
case 0x9F: // SHA $????,Y
MR_AY(); SHA(); MW_EA();
ADD_CYCLE(5);
break;
case 0x93: // SHA ($??),Y
MR_IY(); SHA(); MW_EA();
ADD_CYCLE(6);
break;
case 0x9B: // SHS $????,Y
MR_AY(); SHS(); MW_EA();
ADD_CYCLE(5);
break;
case 0x9E: // SHX $????,Y
MR_AY(); SHX(); MW_EA();
ADD_CYCLE(5);
break;
case 0x9C: // SHY $????,X
MR_AX(); SHY(); MW_EA();
ADD_CYCLE(5);
break;
case 0x07: // SLO $??
MR_ZP(); SLO(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x17: // SLO $??,X
MR_ZX(); SLO(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x0F: // SLO $????
MR_AB(); SLO(); MW_EA();
ADD_CYCLE(6);
break;
case 0x1F: // SLO $????,X
MR_AX(); SLO(); MW_EA();
ADD_CYCLE(7);
break;
case 0x1B: // SLO $????,Y
MR_AY(); SLO(); MW_EA();
ADD_CYCLE(7);
break;
case 0x03: // SLO ($??,X)
MR_IX(); SLO(); MW_EA();
ADD_CYCLE(8);
break;
case 0x13: // SLO ($??),Y
MR_IY(); SLO(); MW_EA();
ADD_CYCLE(8);
break;
case 0x47: // SRE $??
MR_ZP(); SRE(); MW_ZP();
ADD_CYCLE(5);
break;
case 0x57: // SRE $??,X
MR_ZX(); SRE(); MW_ZP();
ADD_CYCLE(6);
break;
case 0x4F: // SRE $????
MR_AB(); SRE(); MW_EA();
ADD_CYCLE(6);
break;
case 0x5F: // SRE $????,X
MR_AX(); SRE(); MW_EA();
ADD_CYCLE(7);
break;
case 0x5B: // SRE $????,Y
MR_AY(); SRE(); MW_EA();
ADD_CYCLE(7);
break;
case 0x43: // SRE ($??,X)
MR_IX(); SRE(); MW_EA();
ADD_CYCLE(8);
break;
case 0x53: // SRE ($??),Y
MR_IY(); SRE(); MW_EA();
ADD_CYCLE(8);
break;
case 0xEB: // SBC #$?? (Unofficial)
MR_IM(); SBC();
ADD_CYCLE(2);
break;
case 0x1A: // NOP (Unofficial)
case 0x3A: // NOP (Unofficial)
case 0x5A: // NOP (Unofficial)
case 0x7A: // NOP (Unofficial)
case 0xDA: // NOP (Unofficial)
case 0xFA: // NOP (Unofficial)
ADD_CYCLE(2);
break;
case 0x80: // DOP (CYCLES 2)
case 0x82: // DOP (CYCLES 2)
case 0x89: // DOP (CYCLES 2)
case 0xC2: // DOP (CYCLES 2)
case 0xE2: // DOP (CYCLES 2)
R.PC++;
ADD_CYCLE(2);
break;
case 0x04: // DOP (CYCLES 3)
case 0x44: // DOP (CYCLES 3)
case 0x64: // DOP (CYCLES 3)
R.PC++;
ADD_CYCLE(3);
break;
case 0x14: // DOP (CYCLES 4)
case 0x34: // DOP (CYCLES 4)
case 0x54: // DOP (CYCLES 4)
case 0x74: // DOP (CYCLES 4)
case 0xD4: // DOP (CYCLES 4)
case 0xF4: // DOP (CYCLES 4)
R.PC++;
ADD_CYCLE(4);
break;
case 0x0C: // TOP
case 0x1C: // TOP
case 0x3C: // TOP
case 0x5C: // TOP
case 0x7C: // TOP
case 0xDC: // TOP
case 0xFC: // TOP
R.PC+=2;
ADD_CYCLE(4);
break;
case 0x02: /* JAM */
case 0x12: /* JAM */
case 0x22: /* JAM */
case 0x32: /* JAM */
case 0x42: /* JAM */
case 0x52: /* JAM */
case 0x62: /* JAM */
case 0x72: /* JAM */
case 0x92: /* JAM */
case 0xB2: /* JAM */
case 0xD2: /* JAM */
case 0xF2: /* JAM */
default:
if( !Config.emulator.bIllegalOp )
{
throw CApp::GetErrorString( IDS_ERROR_ILLEGALOPCODE );
goto _execute_exit;
}
else
{
R.PC--;
ADD_CYCLE(4);
}
break;
// default:
// __assume(0);
}
end_is: __asm nop;
if( nmi_request ) {
_NMI();
} else
if( irq_request ) {
_IRQ();
}
request_cycles -= exec_cycles;
TOTAL_cycles += exec_cycles;
// 僋儘僢僋摨婜張棟
mapper->Clock( exec_cycles );
#if DPCM_SYNCCLOCK
apu->SyncDPCM( exec_cycles );
#endif
if( bClockProcess ) {
nes->Clock( exec_cycles );
}
// nes->Clock( exec_cycles );
}
_execute_exit:
#if !DPCM_SYNCCLOCK
apu->SyncDPCM( TOTAL_cycles - OLD_cycles );
#endif
return TOTAL_cycles - OLD_cycles;
}
void decodeInstruction(instruction_t instruction, uint32_t *dir_reg, char *dir_flags, uint8_t *SRAM, uint16_t *dec)
{
uint8_t *R_activos=instruction.registers_list;
/* Comparacion de mnemonic y Llamado de las funciones */
if( strcmp(instruction.mnemonic,"ADC") == 0 || strcmp(instruction.mnemonic,"ADCS") == 0){
dir_reg[PC]++;
*dec=16704;
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;
dir_reg[instruction.op1_value]=ADC(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
}
if( strcmp(instruction.mnemonic,"ADDS") == 0 || strcmp(instruction.mnemonic,"ADD") == 0){
dir_reg[PC]++;
if(instruction.op2_type=='S'){
*dec=45056;
dir_reg[SP]=ADD(dir_reg[SP],instruction.op3_value,dir_flags);
*dec=*dec|instruction.op3_value;}
else if(instruction.op3_type=='#'){
*dec=7168;
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;
dir_reg[instruction.op1_value]=ADD(dir_reg[instruction.op2_value], instruction.op3_value,dir_flags);
mvprintw(4,20,"%X",*dec);}
else{
*dec=6144;
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;
dir_reg[instruction.op1_value]=ADD(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);}
}
if( strcmp(instruction.mnemonic,"AND") == 0 || strcmp(instruction.mnemonic,"ANDS") == 0){
dir_reg[PC]++;
*dec=16384;
if(instruction.op3_type=='#'){
dir_reg[instruction.op1_value]=AND(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);}
else
dir_reg[instruction.op1_value]=AND(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
}
if( strcmp(instruction.mnemonic,"ASR") == 0 || strcmp(instruction.mnemonic,"ASRS") == 0){
dir_reg[PC]++;
if(instruction.op3_type=='#'){
*dec=4096;
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;
dir_reg[instruction.op1_value]=ASR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);}
else{
*dec=16640;
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;
dir_reg[instruction.op1_value]=ASR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);}
}
if( strcmp(instruction.mnemonic,"BICS") == 0 || strcmp(instruction.mnemonic,"BICS") == 0){
dir_reg[PC]++;
if(instruction.op3_type=='#')
dir_reg[instruction.op1_value]=BIC(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);
else{
*dec=17280;
dir_reg[instruction.op1_value]=BIC(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"CMN" ) == 0 || strcmp(instruction.mnemonic,"CMNS") == 0){
dir_reg[PC]++;
CMN(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value],dir_flags);
*dec=17088;
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
mvprintw(4,20,"%X",*dec);
}
if( strcmp(instruction.mnemonic,"CMP") == 0 || strcmp(instruction.mnemonic,"CMPS") == 0){
dir_reg[PC]++;
CMP(dir_reg[instruction.op1_value],dir_reg[instruction.op2_value],dir_flags);
*dec=17024;
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
mvprintw(4,20,"%X",*dec);
}
if( strcmp(instruction.mnemonic,"EOR") == 0 || strcmp(instruction.mnemonic,"EORS") == 0){
dir_reg[PC]++;
*dec=16448;
if(instruction.op3_type=='#')
dir_reg[instruction.op1_value]=EOR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);
else
dir_reg[instruction.op1_value]=EOR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
}
if( strcmp(instruction.mnemonic,"LSLS") == 0 || strcmp(instruction.mnemonic,"LSL") == 0){
dir_reg[PC]++;
if(instruction.op3_type=='#'){
*dec=0;
dir_reg[instruction.op1_value]=LSL(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=16512;
dir_reg[instruction.op1_value]=LSL(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"LSRS") == 0 || strcmp(instruction.mnemonic,"LSR") == 0){
dir_reg[PC]++;
if(instruction.op3_type=='#'){
*dec=2048;
dir_reg[instruction.op1_value]=LSR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=16576;
dir_reg[instruction.op1_value]=LSR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"MOV") == 0 || strcmp(instruction.mnemonic,"MOVS") == 0){
dir_reg[PC]++;
if(instruction.op2_type=='#'){
*dec=8192;
dir_reg[instruction.op1_value]=MOV(instruction.op2_value,dir_flags);
*dec=*dec|instruction.op1_value<<8|instruction.op2_value;}
else{
*dec=0;
dir_reg[instruction.op1_value]=MOV(dir_reg[instruction.op2_value],dir_flags);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"MUL") == 0 || strcmp(instruction.mnemonic,"MULS") == 0){
dir_reg[PC]++;
*dec=17216;
if(instruction.op3_type=='#'){
dir_reg[instruction.op1_value]=MUL(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);}
else{
dir_reg[instruction.op1_value]=MUL(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"MVN") == 0 || strcmp(instruction.mnemonic,"MVNS") == 0){
dir_reg[PC]++;
*dec=17344;
dir_reg[instruction.op1_value]=MVN(dir_reg[instruction.op2_value], dir_flags);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"ORR") == 0 || strcmp(instruction.mnemonic,"ORRS") == 0){
dir_reg[PC]++;
*dec=17152;
if(instruction.op3_type=='#'){
dir_reg[instruction.op1_value]=ORR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);}
else{
dir_reg[instruction.op1_value]=ORR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"REV") == 0 || strcmp(instruction.mnemonic,"REVS") == 0){
dir_reg[PC]++;
*dec=47616;
dir_reg[instruction.op1_value]=REV(dir_reg[instruction.op2_value]);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"REVG") == 0 || strcmp(instruction.mnemonic,"REVGS") == 0){
dir_reg[PC]++;
*dec=47680;
dir_reg[instruction.op1_value]=REVG(dir_reg[instruction.op2_value]);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"REVSH") == 0 || strcmp(instruction.mnemonic,"REVSHS") == 0){
dir_reg[PC]++;
*dec=47808;
dir_reg[instruction.op1_value]=REVSH(dir_reg[instruction.op2_value]);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"ROR") == 0 || strcmp(instruction.mnemonic,"RORS") == 0){
dir_reg[PC]++;
*dec=16832;
if(instruction.op3_type=='#'){
dir_reg[instruction.op1_value]=ROR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);}
else{
dir_reg[instruction.op1_value]=ROR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op3_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"RSB") == 0 || strcmp(instruction.mnemonic,"RSBS") == 0){
dir_reg[PC]++;
*dec=16690;
dir_reg[instruction.op1_value]=RSB(dir_reg[instruction.op2_value], dir_flags);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"SBC") == 0 || strcmp(instruction.mnemonic,"SBCS") == 0){
dir_reg[PC]++;
*dec=16768;
SBC(dir_reg[instruction.op1_value],dir_reg[instruction.op2_value], dir_flags);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"SUBS") == 0 || strcmp(instruction.mnemonic,"SUB") == 0){
dir_reg[PC]++;
if(instruction.op2_type=='S'){
*dec=45184;
dir_reg[SP]=SUB(dir_reg[SP],instruction.op3_value,dir_flags);
*dec=*dec|instruction.op3_value;}
else if(instruction.op3_type=='#'){
*dec=7680;
dir_reg[instruction.op1_value]=SUB(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=6656;
dir_reg[instruction.op1_value]=SUB(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
if( strcmp(instruction.mnemonic,"TST") == 0 || strcmp(instruction.mnemonic,"TSTS") == 0){
dir_reg[PC]++;
*dec=16896;
TST(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], dir_flags);
*dec=*dec|instruction.op2_value<<3|instruction.op1_value;
}
if( strcmp(instruction.mnemonic,"NOP") == 0 ){
NOP(dir_reg);
*dec=48896;
}
if( strcmp(instruction.mnemonic,"B") == 0 ){
*dec=57344;
*dec=*dec|instruction.op1_value;
B(instruction.op1_value, dir_reg);
}
if( strcmp(instruction.mnemonic,"BL") == 0 ){
*dec=0;
BL(instruction.op1_value, dir_reg);
}
if( strcmp(instruction.mnemonic,"BX") == 0 ){
*dec=18176;
BX(dir_reg);
}
if( strcmp(instruction.mnemonic,"BEQ") == 0 ){
*dec=0;
BEQ(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BNE") == 0 ){
*dec=0;
BNE(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BCS") == 0 ){
*dec=0;
BCS(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BCC") == 0 ){
*dec=0;
BCC(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BMI") == 0 ){
*dec=0;
BMI(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BPL") == 0 ){
*dec=0;
BPL(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BVS") == 0 ){
*dec=0;
BVS(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BVC") == 0 ){
*dec=0;
BVC(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BHI") == 0 ){
*dec=0;
BHI(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BLS") == 0 ){
*dec=0;
BLS(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BGE") == 0 ){
*dec=0;
BGE(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BLT") == 0 ){
*dec=0;
BLT(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BGT") == 0 ){
*dec=0;
BGT(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BLE") == 0 ){
*dec=0;
BLE(instruction.op1_value, dir_reg, dir_flags);
}
if( strcmp(instruction.mnemonic,"BAL") == 0 ){
*dec=0;
BAL(instruction.op1_value, dir_reg);
}
if(strcmp(instruction.mnemonic,"PUSH")==0){
dir_reg[PC]++;
*dec=46080;
PUSH(SRAM, dir_reg,R_activos);
}
if(strcmp(instruction.mnemonic,"POP")==0){
dir_reg[PC]++;
*dec=48128;
POP(SRAM,dir_reg,R_activos);
}
data=(uint8_t)dir_reg[instruction.op1_value];
if(strcmp(instruction.mnemonic,"LDR")==0){
dir_reg[PC]++;
if(instruction.op2_type=='=' && instruction.op3_type=='N'){
*dec=0;
dir_reg[instruction.op1_value]=instruction.op2_value;}
else if(instruction.op2_type=='S'){
*dec=38912;
dir_reg[instruction.op1_value]=LDR(dir_reg[SP], instruction.op3_value<<2, SRAM);
*dec=*dec|instruction.op3_value|instruction.op1_value<<8;}
else if(instruction.op3_type=='#' || instruction.op3_type=='N'){
*dec=26624;
if((dir_reg[instruction.op2_value]+(instruction.op3_value<<2))>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<2)), &data,Read);
else
dir_reg[instruction.op1_value]=LDR(dir_reg[instruction.op2_value], instruction.op3_value<<2, SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value|instruction.op1_value;}
else{
*dec=22528;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read);
else
dir_reg[instruction.op1_value]=LDR(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
if(strcmp(instruction.mnemonic,"LDRB")==0){
dir_reg[PC]++;
if(instruction.op3_type=='#' || instruction.op3_type=='N'){
*dec=30720;
if((dir_reg[instruction.op2_value]+instruction.op3_value)>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+instruction.op3_value), &data,Read);
else
dir_reg[instruction.op1_value]=LDRB(dir_reg[instruction.op2_value], instruction.op3_value, SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=23552;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read);
else
dir_reg[instruction.op1_value]=LDRB(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
if(strcmp(instruction.mnemonic,"LDRH")==0){
dir_reg[PC]++;
if(instruction.op3_type=='#' || instruction.op3_type=='N'){
*dec=34816;
if((dir_reg[instruction.op2_value]+(instruction.op3_value<<1))>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<1)), &data,Read);
else
dir_reg[instruction.op1_value]=LDRH(dir_reg[instruction.op2_value], instruction.op3_value<<1, SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=23040;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read);
else
dir_reg[instruction.op1_value]=LDRH(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
if(strcmp(instruction.mnemonic,"LDRSB")==0){
dir_reg[PC]++;
*dec=22016;
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read);
else
dir_reg[instruction.op1_value]=LDRSB(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);
}
if(strcmp(instruction.mnemonic,"LDRSH")==0){
dir_reg[PC]++;
*dec=24064;
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read);
else
dir_reg[instruction.op1_value]=LDRSH(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);
}
if(strcmp(instruction.mnemonic,"STR")==0){
dir_reg[PC]++;
if(instruction.op2_type=='S'){
*dec=38912;
STR(dir_reg[instruction.op1_value],dir_reg[SP], instruction.op3_value<<2, SRAM);
*dec=*dec|instruction.op3_value|instruction.op1_value<<8;}
else if(instruction.op3_type=='#' || instruction.op3_type=='N'){
*dec=24576;
if((dir_reg[instruction.op2_value]+(instruction.op3_value<<2))>=0x40000000){
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<2)), &data,Write);}
else{
STR(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], instruction.op3_value<<2, SRAM);}
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;
mvprintw(1,3,"Hola");}
else{
*dec=20480;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op2_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(dir_reg[instruction.op3_value])), &data,Write);
else{
STR(dir_reg[instruction.op1_value], instruction.op2_value, instruction.op3_value, SRAM);}
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
if(strcmp(instruction.mnemonic,"STRB")==0){
dir_reg[PC]++;
if(instruction.op3_type=='#' || instruction.op3_type=='N'){
*dec=28672;
if(dir_reg[instruction.op2_value]+instruction.op3_value>=0x40000000){
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+instruction.op3_value), &data,Write);}
else{
STRB(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], instruction.op3_value, SRAM);}
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=21504;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000){
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(dir_reg[instruction.op3_value])), &data,Write);}
else{
STRB(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);}
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
if(strcmp(instruction.mnemonic,"STRH")==0){
dir_reg[PC]++;
if(instruction.op3_type=='#' || instruction.op3_type=='N'){
*dec=32768;
if(((dir_reg[instruction.op2_value])+(instruction.op3_value<<1))>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<1)),&data,Write);
else
STRH(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], instruction.op3_value<<1, SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
else{
*dec=20992;
if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000)
IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(dir_reg[instruction.op3_value])), &data,Write);
else
STRH(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);
*dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;}
}
}
void decodeInstruction(instruction_t instruction,unsigned long *r[],unsigned long *bandera,unsigned long *PC,unsigned long*LR,uint8_t*memoria,unsigned long *codificacion)
{
int auxban;
unsigned long aux1,aux2,des;
// codificacion funciones de la alu
if(strcmp(instruction.mnemonic,"ADDS") == 0)
{
if(instruction.op1_type=='R')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=ADD(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type== '#' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=ADD(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='#' ))
{
r[instruction.op1_value]=ADD(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type== '#' )&&(instruction.op3_type =='#' ))
{
r[instruction.op1_value]=ADD(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
if(instruction.op1_type=='N')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
ADD(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
ADD(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
ADD(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
ADD(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
}
if(strcmp(instruction.mnemonic,"CMN") == 0)
{
if((instruction.op1_type== 'R' )&&(instruction.op2_type =='R' ))
{
ADD(r[instruction.op1_value],r[instruction.op2_value],&bandera);
}
if((instruction.op1_type == '#' )&&(instruction.op2_type== 'R' ))
{
ADD(instruction.op1_value,r[instruction.op2_value],&bandera);
}
if((instruction.op1_type == 'R' )&&(instruction.op2_type == '#' ))
{
ADD(r[instruction.op1_value],instruction.op2_value,&bandera);
}
if((instruction.op1_type == '#' )&&(instruction.op2_type == '#' ))
{
ADD(instruction.op1_value,instruction.op2_value,&bandera);
}
}
if( strcmp(instruction.mnemonic,"ADCS") == 0)
{
if(instruction.op1_type=='R')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=ADC(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
r[instruction.op1_value]=ADC(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=ADC(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=ADC(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
if(instruction.op1_type=='N')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
ADC(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
ADC(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
ADC(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
ADC(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
}
if( strcmp(instruction.mnemonic,"ANDS") == 0)
{
if(instruction.op1_type=='R')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=AND(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
r[instruction.op1_value]=AND(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=AND(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=AND(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
if(instruction.op1_type=='N')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
AND(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
AND(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
AND(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
AND(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
}
if(strcmp(instruction.mnemonic,"TEST") == 0)
{
if((instruction.op1_type== 'R' )&&(instruction.op2_type =='R' ))
{
AND(r[instruction.op1_value],r[instruction.op2_value],&bandera);
}
if((instruction.op1_type == '#' )&&(instruction.op2_type== 'R' ))
{
AND(instruction.op1_value,r[instruction.op2_value],&bandera);
}
if((instruction.op1_type == 'R' )&&(instruction.op2_type == '#' ))
{
AND(r[instruction.op1_value],instruction.op2_value,&bandera);
}
if((instruction.op1_type == '#' )&&(instruction.op2_type == '#' ))
{
AND(instruction.op1_value,instruction.op2_value,&bandera);
}
}
if( strcmp(instruction.mnemonic,"EORS") == 0)
{
if(instruction.op1_type=='R')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=EOR(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
r[instruction.op1_value]=EOR(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=EOR(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=EOR(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
if(instruction.op1_type=='N')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
EOR(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
EOR(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
EOR(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
EOR(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
}
if( (strcmp(instruction.mnemonic,"MOVS") == 0)||(strcmp(instruction.mnemonic,"MOV") == 0))
{
if((instruction.op1_type == 'R')&&(instruction.op2_type=='R') )
{
r[instruction.op1_value]=MOV(r[instruction.op1_value],r[instruction.op2_value],&bandera);
mostrar(r[instruction.op1_value]);
}
if((instruction.op1_type == 'R')&&(instruction.op2_type=='#') )
{
r[instruction.op1_value]=MOV(instruction.op1_value,instruction.op2_value,&bandera);
mostrar(r[instruction.op1_value]);
}
}
if( strcmp(instruction.mnemonic,"ORRS") == 0)
{
if(instruction.op1_type=='R')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=ORR(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
r[instruction.op1_value]=ORR(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=ORR(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=ORR(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
if(instruction.op1_type=='N')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
ORR(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
ORR(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
ORR(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
ORR(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
}
if( strcmp(instruction.mnemonic,"SUBS") == 0)
{
if(instruction.op1_type== 'R' )
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
r[instruction.op1_value]=SUB(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
r[instruction.op1_value]=SUB(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=SUB(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
r[instruction.op1_value]=SUB(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
if(instruction.op1_type=='N')
{
if((instruction.op2_type== 'R' )&&(instruction.op3_type =='R' ))
{
SUB(r[instruction.op2_value],r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type== 'R' ))
{
SUB(instruction.op2_value,r[instruction.op3_value],&bandera);
}
if((instruction.op2_type == 'R' )&&(instruction.op3_type == '#' ))
{
SUB(r[instruction.op2_value],instruction.op3_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
SUB(instruction.op2_value,instruction.op3_value,&bandera);
}
mostrar(r[instruction.op1_value]);
}
}
if(strcmp(instruction.mnemonic,"CMP") == 0)
{
if((instruction.op1_type== 'R' )&&(instruction.op2_type =='R' ))
{
SUB(r[instruction.op1_value],r[instruction.op2_value],&bandera);
}
if((instruction.op1_type == '#' )&&(instruction.op2_type== 'R' ))
{
SUB(instruction.op1_value,r[instruction.op2_value],&bandera);
}
if((instruction.op1_type == 'R' )&&(instruction.op2_type == '#' ))
{
SUB(r[instruction.op1_value],instruction.op2_value,&bandera);
}
if((instruction.op2_type == '#' )&&(instruction.op3_type == '#' ))
{
SUB(instruction.op1_value,instruction.op2_value,&bandera);
}
}
// decodificacion funciones branch
if(strcmp(instruction.mnemonic,"B")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(28<<11)+(instruction.op1_value);
B(&PC,instruction.op1_value);
}
}
if(strcmp(instruction.mnemonic,"BEQ")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(instruction.op1_value);
BEQ(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BNE")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(1<<8)+(instruction.op1_value);
BNE(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BCS")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(2<<8)+(instruction.op1_value);
BCS(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BCC")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(3<<8)+(instruction.op1_value);
BCC(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BMI")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(4<<8)+(instruction.op1_value);
BMI(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BPL")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(5<<8)+(instruction.op1_value);
BPL(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BVS")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(6<<8)+(instruction.op1_value);
BVS(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BVC")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(2<<7)+(instruction.op1_value);
BVC(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BHI")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(8<<8)+(instruction.op1_value);
BHI(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BLS")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(9<<8)+(instruction.op1_value);
BLS(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BGE")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(10<<8)+(instruction.op1_value);
BGE(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BLT")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(11<<8)+(instruction.op1_value);
BLT(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BGT")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(12<<8)+(instruction.op1_value);
BGT(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BLE")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(13<<11)+(13<<8)+(instruction.op1_value);
BLE(&PC,instruction.op1_value,&bandera);
}
}
if(strcmp(instruction.mnemonic,"BL")==0)
{
if(instruction.op1_type=='#')
{
*codificacion=(31<<11)+(2047&instruction.op1_value+(((1<<31)&instruction.op1_value)>>20));
BL(&PC,instruction.op1_value,&LR);
}
}