public byte Execute(AluCmd command, byte x, byte y, ref StatusRegister status)
{
byte result = 0;
try
{
result = checked((byte)commands[command](x, y));
status = status.SetOverflow(false, registerFactory);
}
catch (OverflowException)
{
result = unchecked((byte)commands[command](x, y));
status = status.SetOverflow(true, registerFactory);
}
status = status.SetSigned((result & 0x80) != 0, registerFactory);
status = status.SetZero(result == 0, registerFactory);
return result;
}
public MicroInstruction(int address, NextAddress nextAddress, bool enableValue,
int value, JumpCriterion jumpCriterion, bool clearInterrupt,
bool affected, AluCmd aluCommand, Source source,
Destination destination, DataInput dataInput, ReadWrite readWrite)
{
this.Address = address;
this.NextAddress = nextAddress;
this.EnableValue = enableValue;
this.Value = value;
this.JumpCriterion = jumpCriterion;
this.ClearInterrupt = clearInterrupt;
this.AffectFlags = affected;
this.AluCommand = aluCommand;
this.Source = source;
this.Destination = destination;
this.DataInput = dataInput;
this.ReadWrite = readWrite;
}
