On 12 feb, 13:21, Tristan Mumford <xtristan.xmumf...@xgmail.xcom> wrote: > mdj wrote: > > A 65802 *might* work - Apple II's and early clones are somewhat > > finicky with their timing, and as a result the CMOS parts often fail > > to operate without swapping a couple of other LS parts for faster > > HC's. > You surely meant HCTs.. ? Jorge.