/*Операция*/
public void Operate(ref HomeworkWPF.Core CurrentStatement, string parametrs)
{
if (parametrs != "")
{
string source = parametrs.Trim();
int value = 0;
/*Проверка: если операнд -- число, то получаем значение,
если операнд -- регистр, то получаем значение из регистра.*/
int ifSourceHasCount = source.IndexOfAny(new char[] { '1','2','3','4','5',
'6','7','8','9','0'});
if (ifSourceHasCount == -1)
{
if (source.Length == 3 && source[0] == 'e' && source[2] == 'x')
{
for (char c = 'a'; c < 'i'; c++)
{
if (source[1] == c)
{
value = CurrentStatement.GetRegister(source);
c = 'i';
}
else if (c == 'h')
{
throw new HomeworkWPF.ParseCommandException(CurrentStatement.Commands[CurrentStatement.CurrentCommand]);
}
}
}
}
else
{
value = int.Parse(source);
}
/*Помещаем значение в стек*/
CurrentStatement.Push(new HomeworkWPF.StackItem { Data = value, Address = false });
}
throw new HomeworkWPF.ParseCommandException(CurrentStatement.Commands[CurrentStatement.CurrentCommand]);
}
/*Операция*/
public void Operate(ref HomeworkWPF.Core CurrentStatement, string parametrs)
{
if (parametrs != "")
{
string destination = parametrs.Trim();
int address = 0;
int count = 0;
/*Проверка: если операнд -- адрес, то получаем значение,
если операнд -- метка, то получаем адрес метки.*/
if (destination[destination.Count() - 1] == 'h')
{
address = Int32.Parse(destination, System.Globalization.NumberStyles.HexNumber);
}
else
{
foreach (HomeworkWPF.CommandItem i in CurrentStatement.Commands)
{
if (i.Command.Contains(parametrs + ":") == true)
{
address = i.Address;
}
}
}
/*Помещаем в стек адрес возврата*/
foreach (HomeworkWPF.CommandItem i in CurrentStatement.Commands)
{
if (i.Address == address)
{
CurrentStatement.Push(new HomeworkWPF.StackItem
{
Data = CurrentStatement.Commands[CurrentStatement.CurrentCommand].Address,
Address = true
});
CurrentStatement.CurrentCommand = count - 1;
return;
}
count++;
}
}
throw new HomeworkWPF.ParseCommandException(CurrentStatement.Commands[CurrentStatement.CurrentCommand]);
}