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instructions.cs
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467 lines (398 loc) · 10.8 KB
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/*
namespace picsim;
internal partial class Pic
{
private void Addwf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(_wreg + temp) ;
CheckZ(value);
CheckDc(value);
CheckC(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Andwf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(_wreg & temp) ;
CheckZ(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Clrf()
{
CheckInterrupts();
int address = DecodeFBits();
WriteRam(Convert.ToByte(address), 0);
SetZ(true);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Clrw()
{
CheckInterrupts();
_wreg = 0;
SetZ(true);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Comf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(~temp);
CheckZ(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Decf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(temp - 1) ;
CheckZ(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Decfsz()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(temp - 1) ;
SaveResult(DecodeDBit(), value, address);
if (value != 0)
{
ProgrammLaufzeit += 1;
RefreshRegisters();
}
else
{
_programCounter =+ 2;
Nop();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
RefreshRegisters();
}
private void Incf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(temp + 1) ;
CheckZ(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Incfsz()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(temp + 1) ;
SaveResult(DecodeDBit(), value, address);
if (value != 0)
{
ProgrammLaufzeit += 1;
RefreshRegisters();
}
else
{
_programCounter =+ 2;
Nop();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
RefreshRegisters();
}
private void Iorwf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(_wreg | temp) ;
CheckZ(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Movf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte value = GetRam(address);
CheckZ(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Movwf()
{
CheckInterrupts();
byte address = DecodeFBits();
WriteRam(address,_wreg);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Nop()
{
CheckInterrupts();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Rlf()
{
byte address = DecodeFBits();
byte temp = GetRam(address);
bool carry;
if ((temp | 0b_1000_000) == 0)
{
SetC(false);
}
else
{
SetC(true);
}
byte value = Convert.ToByte(temp << 1);
SaveResult(DecodeDBit(),value, address);
CheckInterrupts();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Rrf()
{
byte address = DecodeFBits();
byte temp = GetRam(address);
bool carry;
if ((temp | 0b_0000_0001) == 0)
{
SetC(false);
}
else
{
SetC(true);
}
byte value = Convert.ToByte(temp >> 1);
SaveResult(DecodeDBit(),value, address);
CheckInterrupts();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Subwf()
{
CheckInterrupts();
byte address = DecodeFBits();
byte temp = GetRam(address);
byte value = Convert.ToByte(temp + (~_wreg + 1)) ;
CheckZ(value);
CheckDc(value);
CheckC(value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Swapf()
{ byte address = DecodeFBits();
byte value = GetRam(address);
byte upperNibble = Convert.ToByte(value & 0b_1111_0000);
byte lowerNibble = Convert.ToByte(value & 0b_0000_1111);
byte result = Convert.ToByte(lowerNibble | upperNibble);
WriteRam(address, value);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Xorwf()
{
byte address = DecodeFBits();
byte value = GetRam(address);
byte result = Convert.ToByte(_wreg ^ value);
SaveResult(DecodeDBit(), value, address);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Bcf()
{
byte address = DecodeFBits();
byte value = GetRam(address);
byte bit = DecodeBBits();
byte bitin = Convert.ToByte(~bit);
byte result = Convert.ToByte(bitin & value);
WriteRam(address,result);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Bsf()
{
byte address = DecodeFBits();
byte value = GetRam(address);
byte bit = DecodeBBits();
byte bitin = Convert.ToByte(~bit);
byte result = Convert.ToByte(bitin | value);
WriteRam(address,result);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Btfsc()
{
byte address = DecodeFBits();
byte value = GetRam(address);
byte bit = DecodeBBits();
byte bitin = Convert.ToByte(~bit);
if ((bitin & value) == 0)
{
_programCounter =+ 2;
Nop();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
else
{
ProgrammLaufzeit += 1;
RefreshRegisters();
}
}
private void Btfss()
{
byte address = DecodeFBits();
byte value = GetRam(address);
byte bit = DecodeBBits();
byte bitin = Convert.ToByte(~bit);
if ((bitin & value) == 0)
{
ProgrammLaufzeit += 1;
RefreshRegisters();
}
else
{
_programCounter =+ 2;
Nop();
ProgrammLaufzeit += 1;
RefreshRegisters();
}
}
private void Addlw()
{
byte literal = DecodeLiteralGeneral();
_wreg = Convert.ToByte(_wreg & literal);
CheckZ(_wreg);
CheckC(_wreg);
CheckDc(_wreg);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Andlw()
{
byte address = DecodeFBits();
byte value = GetRam(address);
byte literal = DecodeLiteralGeneral();
_wreg = Convert.ToByte(_wreg & literal);
CheckZ(_wreg);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Call()
{
Stack.Push(_programCounter + 1);
Stackpointer++;
int literal = DecodeLiteralJump();
byte pcl = Convert.ToByte(literal);
byte pclath = Convert.ToByte(_programCounter | 0b_0001_1111_0000_0000);
byte pclath43 = Convert.ToByte(pclath | 0b_1_1000);
int value = pclath43 | pcl;
_programCounter = value;
ProgrammLaufzeit =+ 2;
}
private void Clrwdt()
{
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void GOto()
{
int literal = DecodeLiteralJump();
byte pcl = Convert.ToByte(literal);
byte pclath = Convert.ToByte(_programCounter | 0b_0001_1111_0000_0000);
byte pclath43 = Convert.ToByte(pclath | 0b_1_1000);
int value = pclath43 | pcl;
_programCounter = value;
ProgrammLaufzeit =+ 2;
}
private void Iorwl()
{
byte literal = DecodeLiteralGeneral();
_wreg = Convert.ToByte(_wreg | literal);
CheckZ(_wreg);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Movlw()
{
byte literal = DecodeLiteralGeneral();
_wreg = literal;
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Retfie()
{
int value = (int) Stack.Pop();
Stackpointer--;
_programCounter = value;
WriteRam(Intcon, Convert.ToByte(GetRam(Intcon) | 0b_0100_0000));
ProgrammLaufzeit += 1;
Nop();
}
private void Retlw()
{
int value = (int) Stack.Pop();
Stackpointer--;
_wreg = DecodeLiteralGeneral();
_programCounter = value;
ProgrammLaufzeit += 1;
Nop();
}
private void REturn()
{
int value = (int) Stack.Pop();
Stackpointer--;
_programCounter = value;
ProgrammLaufzeit += 1;
Nop();
}
private void Sleep()
{
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Sublw()
{
byte literal = DecodeLiteralGeneral();
_wreg = Convert.ToByte(literal - (~_wreg + 1));
CheckZ(_wreg);
CheckC(_wreg);
CheckDc(_wreg);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
private void Xorlw()
{
byte literal = DecodeLiteralGeneral();
_wreg = Convert.ToByte(_wreg ^ literal);
CheckZ(_wreg);
ProgrammLaufzeit += 1;
RefreshRegisters();
}
}
*/