public string ConvertToBinary(string instruction)
{
StringBuilder binary = new StringBuilder("1101");
//binary.Append(ConvertInstructionToBinary(instruction));
bool isSourceDataReigster = false;
//SOurce is a data register
//append register
string[] instructionParts = instruction.Split(' ');
if (instructionParts[SOURCE][0] == 'd')
{
isSourceDataReigster = true;
}
StringBuilder effectiveAddressAsBinary = new StringBuilder();
StringBuilder dataRegisterAsBinary = new StringBuilder();
if (isSourceDataReigster)
{
EffectiveAddress dataRegister = AddressingModes.GetAddressingMode(instructionParts[SOURCE]);
dataRegisterAsBinary.Append(dataRegister.GetRegister());
EffectiveAddress effectiveAddress = AddressingModes.GetAddressingMode(instructionParts[DESTINATION]);
effectiveAddressAsBinary.Append(effectiveAddress.GetRegister());
effectiveAddressAsBinary.Append(effectiveAddress.GetMode());
}
else
{
}
//if(isSourceDataReigster)
//{
// binary.Append(ConvertDestinationEA());
//}
//else
//{
// binary.Append(ConvertImmediateOrSourceEA(instructionParts));
//}
return(binary.ToString());
}
public string ConvertImmediateOrSourceEA(string[] instructionParts)
{
StringBuilder binary = new StringBuilder();
//If source is immediate
if (instructionParts[2][0] == '#')
{
string immediateNumber = instructionParts[2].Substring(1);
Int16 number = Convert.ToInt16(immediateNumber);
binary.Append(Convert.ToString(number, 2));
}
else
{
AddressingModes addressingModes = new AddressingModes();
EffectiveAddress effectiveAddress = addressingModes.GetAddressingMode(instructionParts[2]);
}
return(binary.ToString());
}