I assumed that packed decimals operations were already supported in old processors. E.g. COBOL had the 9(7)V9(2) implied-decimal-point style of money format tha

I assumed that packed decimals operations were already supported in old processors. E.g. COBOL had the 9(7)V9(2) implied-decimal-point style of money format that was well supported. Or do you mean all operations and not only conversion and basic + - * /.