private static int GetInstructionType(string input)
{
// Find start of instruction name after equal sign
var instructionIndex = input.IndexOf("=") + 1;
while (input[instructionIndex] == ' ')
{
instructionIndex++;
}
var instructionPart = input.Substring(instructionIndex, input.Length - instructionIndex);
int endIndex;
if (instructionPart.StartsWith("sub"))
{
// Parse sub number
endIndex = instructionPart.IndexOf('(');
return(int.Parse(instructionPart.Substring(3, endIndex - 3)));
}
endIndex = instructionPart.IndexOf('(');
var instructionName = instructionPart.Substring(0, endIndex);
if (RoutineMap.Values.Contains(instructionName))
{
return(RoutineMap.First(x => x.Value == instructionName).Key);
}
return(-1);
}
