protected int[] setVariable(int[] input, int index, int newValue, PARAMETER_MODES mode = PARAMETER_MODES.POSITION)
{
if (mode == PARAMETER_MODES.POSITION)
{
return(this.setVariableFromPositionMode(input, index, newValue));
}
else
{
return(this.setVariableFromImidiateMode(input, index, newValue));
}
}
public override int[] Execute(int[] input, int index)
{
int code = input[index];
PARAMETER_MODES inputOnePosMode = this.getModeByParameterPos(code, 1);
PARAMETER_MODES inputTwoPosMode = this.getModeByParameterPos(code, 2);
PARAMETER_MODES inputThreePosMode = this.getModeByParameterPos(code, 3);
int newValue = this.getVariable(input, index + 1, inputOnePosMode) * this.getVariable(input, index + 2, inputTwoPosMode);
input = this.setVariable(input, index + 3, newValue, inputThreePosMode);
return(input);
}
/// <summary>
///
/// </summary>
/// <param name="opcode"></param>
/// <param name="parameter"> The xth parameterm, 1, 2, 3 etc</param>
/// <returns></returns>
protected PARAMETER_MODES getModeByParameterPos(int opcode, int parameter)
{
string code = opcode.ToString("D5");
// int opcodeLength = code.Length;
PARAMETER_MODES returnValue = PARAMETER_MODES.POSITION; //default mode is position mode
//calculate the index needed
//e.g. parameter required = 3, 3 - 3 = 0
//parameter required = 1, 3 - 1 = 2
int index = 3 - parameter;
if (code[index] == '1') //set mode to imidiate
{
returnValue = PARAMETER_MODES.IMIDIATE;
}
return(returnValue);
}
public OpCodeParameter(PARAMETER_MODES newParamMode, long curVal, IntComputer computer)
{
paramMode = newParamMode;
paramData = curVal;
curComputer = computer;
}