private static string GetEffectCode(Propeller.MemoryManager memory, bool useShortOpcodes)
{
Spin.ParsedAssignment ParsedAssignment = new Spin.ParsedAssignment(memory.ReadByte());
string effect = ParsedAssignment.Push ? "" : "POP ";
if (useShortOpcodes)
{
effect += "(" + ParsedAssignment.GetBasicInstruction().NameBrief + ")";
}
else
{
effect += ParsedAssignment.GetBasicInstruction().Name;
}
if (!ParsedAssignment.Math)
{
Propeller.Spin.SubAssignment SubAssignment = ParsedAssignment.GetSubAssignment();
switch (SubAssignment.ArgumentMode)
{
case Propeller.Spin.ArgumentMode.None:
break;
case Propeller.Spin.ArgumentMode.SignedPackedOffset:
effect += " " + DataUnpacker.GetSignedPackedOffset(memory);
break;
default:
throw new Exception("Unexpected Spin Argument Mode: " + SubAssignment.ArgumentMode.ToString());
}
}
return(effect);
}
public Propeller.Spin.SubAssignment GetSubAssignment()
{
if (this.Math)
{
return(null);
}
else if (this.SourceSubAssignment == null)
{
this.SourceSubAssignment = Spin.GetSubAssignment(this.SourceAssignment, this);
}
return(this.SourceSubAssignment);
}
public ParsedAssignment(byte Opcode)
{
this.Opcode = Opcode;
this.Push = ((Opcode >> 7) & 0x01) == 0x01;
this.Math = ((Opcode >> 6) & 0x01) == 0x01;
this.ASG = (byte)((Opcode >> 3) & 0x07);
this.MTH = (byte)(Opcode & 0x1F);
this.Bit1 = ((Opcode >> 1) & 0x01) == 0x01;
this.Bit2 = ((Opcode >> 2) & 0x01) == 0x01;
this.Size = (Propeller.Spin.AssignmentSize)((Opcode >> 1) & 0x03);
this.Swap = ((Opcode >> 5) & 0x01) == 0x01;
if (this.Math)
{
this.MathAssignment = Propeller.Spin.MathInstructions[this.MTH];
}
else
{
this.SourceAssignment = Propeller.Spin.Assignments[this.ASG];
}
this.SourceSubAssignment = null;
}
