private B2Instruction GenerateB2Instruction(string instructionName, string[] arguments)
{
if (arguments.Length != Constants.ExpectedArgumentsForInstructionClassB2)
{
throw new ArgumentException(
$"Expected {Constants.ExpectedArgumentsForInstructionClassB2} arguments, received {arguments.Length}");
}
var argument = arguments[0];
ArgumentAnalyzer.GetInformationFromArgument(
argument,
out var addressMode,
out var value,
out var extendedData
);
if (addressMode == AddressMode.Immediate)
{
throw new InvalidOperationException("Destination cannot be an immediate value");
}
var instruction = new B2Instruction();
instruction.InstructionNumber = b2InstructionNumbers[instructionName];
instruction.AddressMode = addressMode;
instruction.Value = value;
instruction.DataExtension = extendedData;
return(instruction);
}
private B3Instruction GenerateB3Instruction(string instructionName, string[] arguments)
{
if (arguments.Length != Constants.ExpectedArgumentsForInstructionClassB3)
{
throw new ArgumentException(
$"Expected {Constants.ExpectedArgumentsForInstructionClassB3} arguments, received {arguments.Length}");
}
var argument = arguments[0];
ArgumentAnalyzer.GetInformationFromArgument(
argument,
out var addressMode,
out var value,
out var extendedData
);
var instruction = new B3Instruction();
instruction.InstructionNumber = b3InstructionNumbers[instructionName];
instruction.Offset = value.LoByte;
instruction.DataExtension = extendedData;
return(instruction);
}
private B1Instruction GenerateB1Instruction(string instructionName, string[] arguments)
{
if (arguments.Length != Constants.ExpectedArgumentsForInstructionClassB1)
{
throw new ArgumentException(
$"Expected {Constants.ExpectedArgumentsForInstructionClassB1} arguments, received {arguments.Length}");
}
var destination = arguments[0];
var source = arguments[1];
ArgumentAnalyzer.GetInformationFromArgument(
source,
out var sourceAddressMode,
out var sourceValue,
out var sourceExtendedData
);
ArgumentAnalyzer.GetInformationFromArgument(
destination,
out var destinationAddressMode,
out var destinationValue,
out var destinationExtendedData
);
if (destinationAddressMode == AddressMode.Immediate)
{
throw new InvalidOperationException("Destination cannot be an immediate value");
}
var instruction = new B1Instruction();
instruction.InstructionNumber = b1InstructionNumbers[instructionName];
instruction.SourceAddressMode = sourceAddressMode;
instruction.Source = sourceValue;
instruction.DestinationAddressMode = destinationAddressMode;
instruction.Destination = destinationValue;
instruction.SourceDataExtension = sourceExtendedData;
instruction.DestinationDataExtension = destinationExtendedData;
return(instruction);
}