public static Instruction Destination(this Instruction instuction, Register value)
{
instuction.MaskedOpCode = instuction.MaskedOpCode.SetDest(OpCodeFlag.Register);
instuction.Parameters = instuction.Parameters.Length == 0
? new uint[] {value}
: new[] {value, instuction.Parameters[0]};
return instuction;
}
public static Instruction Source(this Instruction instuction, Register value)
{
instuction.MaskedOpCode = instuction.MaskedOpCode.SetSource(OpCodeFlag.Register);
instuction.Parameters = instuction.Parameters.Length == 0
? new uint[] {value}
: new[] { instuction.Parameters[0], value };
return instuction;
}
private void Invoke(Action<Cpu, byte, uint, uint> instruction, Register destination, uint value)
{
instruction(_cpu, (byte) OpCodeFlag.Register | (byte) OpCodeFlag.Constant << 2, destination, value);
}
private void Invoke(Action<Cpu, byte, uint, uint> instruction, Register destination, MemoryAddress source)
{
instruction(_cpu, (byte) OpCodeFlag.Register | (byte) OpCodeFlag.MemoryAddress << 2, destination, source);
}
private void Invoke(Action<Cpu, byte, uint> instruction, Register destination)
{
instruction(_cpu, (byte)OpCodeFlag.Register | (byte)OpCodeFlag.Register << 2, destination);
}