public static int StoreInstruction(string[][] programTextArray, ref int i, ref int j,
Dictionary <uint, ExeCommand> commandsToExe)
{
var commandName = programTextArray[i][j];
int instructionLayout = SInstructionOpcode[commandName];
var args = Healper.GetArgs(programTextArray, ref i, ref j, 2);
if (!Healper.IsComandWithOffset(args[1], out string register, out int offset))
{
throw new SimulatorException {
ErrorMessage = $"'unknown store format command"
}
}
;
if (!registersOpcode.ContainsKey(register))
{
throw new SimulatorException {
ErrorMessage = $"'unknown '{register}' register for load command"
}
}
;
commandsToExe[commandsToExe.Last().Key] = new ExeCommand
{
Args = new List <string> {
args[0], register, offset.ToString()
}, Instraction = commandName, Line = i
};
instructionLayout |= registersOpcode[args[0]] << 20 | registersOpcode[register] << 15;
instructionLayout |= (offset & Convert.ToInt32("111111100000", 2) << 20) |
(offset & Convert.ToInt32("11111", 2) << 7);
return(instructionLayout);
}
public static int IInstruction(string[][] programTextArray, ref int i, ref int j, out string label,
Dictionary <uint, ExeCommand> commandsToExe)
{
var commandName = programTextArray[i][j];
int instructionLayout = IInstructionOpcode[commandName];
if (commandName == "jalr")
{
label = null;
var args = Healper.ParseJalr(programTextArray, ref i, ref j);
commandsToExe[commandsToExe.Last().Key] = new ExeCommand
{
Args = args, Instraction = commandName, Line = i
};
if (!Healper.IsComandWithOffset(args[1], out string register, out int offset))
{
throw new SimulatorException {
ErrorMessage = $"unknown load format command"
}
}
;
if (!registersOpcode.ContainsKey(register))
{
throw new SimulatorException {
ErrorMessage = $"unknown '{register}' register for load command"
}
}
;
instructionLayout |= registersOpcode[args[0]] << 7 | registersOpcode[register] << 15 | offset << 20;
return(instructionLayout);
}
else
{
var args = Healper.GetArgs(programTextArray, ref i, ref j);
if (!registersOpcode.ContainsKey(args[0]) || !registersOpcode.ContainsKey(args[1]))
{
throw new SimulatorException {
ErrorMessage = $"unknown register"
}
}
;
instructionLayout |= registersOpcode[args[0]] << 7 | registersOpcode[args[1]] << 15;
commandsToExe[commandsToExe.Last().Key] = new ExeCommand
{
Args = args, Instraction = commandName, Line = i
};
if (int.TryParse(args[2], out int number))
{
instructionLayout = instructionLayout | number << 20;
label = null;
}
else
{
label = args[2];
}
return(instructionLayout);
}
}