private void Emit_msk_a(RegisterSetOperand mask, AddressRegister aReg,
int size,
Action <RegisterSetOperand, AddressRegister> b,
Action <RegisterSetOperand, AddressRegister> w,
Action <RegisterSetOperand, AddressRegister> l)
{
switch (size)
{
case 0: b(mask, aReg); break;
case 1: w(mask, aReg); break;
case 2: l(mask, aReg); break;
default: throw new InvalidOperationException();
}
}
private void ProcessMovem()
{
int width = ExpectDataWidth();
RegisterSetOperand mask = ExpectRegisterSet();
Expect(TokenType.COMMA);
var ea = ExpectEffectiveAddress();
var pre = ea as PredecrementMemoryOperand;
if (pre != null)
{
Emit(mask, pre, width, ByteWidthIllegal, asm.Movem_w, asm.Movem_l);
}
else
{
Error("Unpexected operand {0}.", ea);
}
}
public void Movem_l(RegisterSetOperand src, PredecrementMemoryOperand dst)
{
constants.Add((ushort) src.BitSet);
Emit(0x48E0 | dst.Register.Number & 7);
}
public void Movem_l(RegisterSetOperand src, PredecrementMemoryOperand dst)
{
constants.Add((ushort)src.BitSet);
Emit(0x48E0 | dst.Register.Number & 7);
}
