nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqtyp5we79rr527q30467hfz8ptfy0h8gxpmfn7j64ak6pk6pv4rfsgt4w8z I remember a few things. For one, the 390 didn't have a stack register, but it did have 'Index Registers' which could be used in lots of interesting ways. Forex, for *fast* table looku...