"Computer Nerd Kev"  wrote in message
news:mtkofh$ut4$1@speranza.aioe.org...
> Steve Douglas  wrote:
>>
>> (But why the 6522s?)
>
> Presumably because that's what the original VIC-1112 used:
>
http://sleepingelephant.com/denial/wiki/index.php?title=VIC-1112_IEEE-488_inter
face_cartridge
>
> --
> __          __
> #_ < |\| |< _#

Yeah. I'm a bit surprised since it should have been possible to do it with
6520's which *should* have been cheaper. But then maybe Commodore/MOS had
tons of leftover 6522's sitting around. Something to do with a serious bug
with the shift register.

Steve

--- SoupGate-Win32 v1.05