Hello Earl
On 13-Jul-00, you wrote:
> Greetings,
>
> I've got a Commodore Plus/4 that's not working quite right.
>
> When I turn it on, it does power up, but doesn't boot to BASIC. Instead,
it
> "breaks" into the machine language monitor. The following is displayed:
>
> BREAK
> PC SR AC XR YR SP
> ;8008 B5 08 00 00 FF
>
> Looks like one of the chips is fried, but which? My initial guess is
either
> the Kernal ROM or BASIC interpreter is shot.
>
> Any guesses? And does anyone know where I can find some Plus/4 spare
parts?
> :-)
>
> Thanks and best regards,
>
> Earl Evans
> retro_at_retrobits.com
Im trying to remember if there is a combination of keyboard strokes toat
allows it to boot up into the monitor. I'd check to see if the keyboard
might or might not have a short across two of the lines, or if the CIA
scanning the keyboard is shot.
>
>
>
>
Regards
--
Gary Hildebrand
Box 6184
St. Joseph, MO 64506-0184
816-662-2612
or
ghldbrd_at_ccp.com
Received on Thu Jul 13 2000 - 13:54:58 BST