/// <summary>
/// Formats an instruction argument based on the argument type.
/// </summary>
internal static string GetArg(InstructionArgumentType arg, Instruction ins)
{
switch (arg)
{
case InstructionArgumentType.Rs:
return("$" + InstructionSet.RegisterNames[ins.Rs]);
case InstructionArgumentType.Rt:
return("$" + InstructionSet.RegisterNames[ins.Rt]);
case InstructionArgumentType.Rd:
return("$" + InstructionSet.RegisterNames[ins.Rd]);
case InstructionArgumentType.Immediate:
case InstructionArgumentType.Label:
if (ins.OpCode == OpCode.j || ins.OpCode == OpCode.jal)
{
return("0x" + (ins.Target << 2).ToString("X"));
}
else
{
return("0x" + ins.Immediate.ToString("X"));
}
case InstructionArgumentType.ImmediateRs:
return(string.Format("{1}(${0})", InstructionSet.RegisterNames[ins.Rs], ins.Immediate));
case InstructionArgumentType.Sa:
return(ins.sa.ToString());
default:
return(string.Empty);
}
}
public InstructionDescription(string mnemonic, InstructionArgumentType[] args, string description)
{
this.mnemonic = mnemonic;
this.args = args;
this.description = description;
}
