public void Parse()
{
int intValue = 0;
// Param is a register
GeneralPurposeRegisterId reg;
if (Int32.TryParse(SourceAsm, out intValue) == false &&
Enum.TryParse(SourceAsm, out reg) &&
Enum.IsDefined(reg.GetType(), reg))
{
Value = (byte)reg;
Type = ParamType.Reg;
return;
}
// Check if param is a number (hex or dec)
if (SourceAsm.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
{
intValue = Convert.ToInt32(SourceAsm, 16);
Type = ParamType.Int;
}
else if (Int32.TryParse(SourceAsm, out intValue))
{
Type = ParamType.Int;
}
if (Type == ParamType.Int)
{
if (intValue < -128 || intValue > 255)
{
throw new Exception(String.Format("ERROR: Line {0} : Param out of range", LineNumber));
}
Value = (byte)intValue;
return;
}
throw new Exception(String.Format("ERROR: Line {0} : Unknown Parameter value - {1}", LineNumber, SourceAsm));
}
