On 31 Aug 2007 at 18:09, Chris M wrote:
You can get into trouble by using *cpu* on this list
I see. I should know better. I should have said mine
don't have the uP's.
MPU would have done just fine. An MPU does not necessarily a CPU
These come with rom based word processor, spread-
sheet, etc., and are said to be worth less then the
silicon they're *printed on*. So I guess there's no
point in inquiring whether a 6510 or such could be
hacked in. But you got to admit, it would be fun regardless.
It depends on how determined you are. I suspect that even a 65C02
with an appropriate amount of external "glue" to provide the 7 I/O
port pins could be pressed into servce. I haven't had the cover off
on the one that I have (and may not bother), but I understand that a
7501 MPU was used. As I understand it, location 0000 was used for
the port data and 0001 was used to set the direction on the port
BTW, the original owner of mine seems to have had the reaction that I
did when powering this one up--"ho hum". Mine appears to have been
tried once or twice then put away--the box has all of the original
packing right down to the twist-ties on the PSU cables. I've also
got a 1541 drive that has a game (name escapes me) diskette for the
The 40x25 text limitation really is too bad. Better keyboard than
most modern notebook computers with an odd layout.
If you want to buy or trade for my Plus 4 and 1541, drop me a line.
I'll even toss in the printer.