public override AddressingMode GetAddressingMode(AstScope scope)
{
var lhsMode = LHS.GetAddressingMode(scope);
var rhsMode = RHS.GetAddressingMode(scope);
if (lhsMode == AddressingMode.Immediate && rhsMode == AddressingMode.Immediate)
{
return(AddressingMode.Immediate);
}
if (lhsMode == AddressingMode.Immediate && rhsMode == AddressingMode.Register)
{
return(AddressingMode.RegisterPlusImmediate);
}
if (lhsMode == AddressingMode.Register && rhsMode == AddressingMode.Immediate)
{
return(AddressingMode.RegisterPlusImmediate);
}
if (lhsMode == AddressingMode.Immediate && rhsMode == AddressingMode.RegisterPlusImmediate)
{
return(AddressingMode.RegisterPlusImmediate);
}
if (lhsMode == AddressingMode.RegisterPlusImmediate && rhsMode == AddressingMode.Immediate)
{
return(AddressingMode.RegisterPlusImmediate);
}
return(AddressingMode.Invalid);
}
public override long GetImmediateValue(AstScope scope)
{
var lhsMode = LHS.GetAddressingMode(scope);
var rhsMode = RHS.GetAddressingMode(scope);
long val = 0;
if ((lhsMode & AddressingMode.Immediate) != 0)
{
val += LHS.GetImmediateValue(scope);
}
if ((rhsMode & AddressingMode.Immediate) != 0)
{
val += RHS.GetImmediateValue(scope);
}
return(val);
}
