> > I guess that is why the 6502 and Apple did so well
> > for home made stuff, the 68xx CPU's all have the
> > Halt and Catch Fire instruction.
> > That also applies to some FORTH CPU's too.
>
> In fairness, a lot of NMOS 6502s have apparent freeze opcodes (try POKE768,2
> POKE 769,96 and CALL 768 on an Apple sometime, or the equivalent on a
> Commodore or Atari).
Actually, thinking this over, a lot of Apples may have CMOS 6502s in them
and I forget if $02 is still the 6502 "HCF" instruction. POKE49152,2:SYS49152
will definitely sour a C64 (all Commodore 8-bits except the C65 are NMOS
systems).
--
---------------------------------- personal: http://www.armory.com/~spectre/ --
Cameron Kaiser, Floodgap Systems Ltd * So. Calif., USA * ckaiser_at_floodgap.com
-- Do not innovate unnecessarily. -- "The Tick" -------------------------------
Received on Fri Mar 05 2004 - 13:53:23 GMT