On Mon, Jun 22, 2026 at 4:33 PM Fred Cisin via cctalk <[email protected]> wrote:
> >My question "what is that used for?" Answer: > > "compound interest in COBOL programming". > > Oh yeah. > > That's what it is for > > Unfortunately (or not?) the x86 BCD instructions have been removed from '64-bit mode' in x86-64. I assume those processors are fast enough emulating BCD if required to keep COBOL users happy. The PDP-11 CIS instructions include BCD types and are very interesting/weird (e.g. EDIT instruction). KJ
