Need microprocessor trainer, oscilloscope advice?
cannings at earthlink.net
Mon Sep 11 12:20:55 CDT 2006
>Hello All. I'm new to this list and would like some advice on learning the
inner workings of vintage computers. I have some basic experience with
electronics and >some simple measurement tools (multimeter, logic probe).
So far, I've repaired a couple of older machines (Kaypro's, Compaq
portables) but this has amounted >to swapping dead hard or floppy drives,
replacing dead batteries, etc. So here are my questions: (1) Is there a
"trainer" system good for learning about >microcomputer design and
operation, and (2) would an oscilloscope be useful for this purpose, and if
so, what Mhz rating is needed to work on older machines? >I've noticed the
price is directly proportional to this number! Thanks, John R.
The cheapest solution ( free !! ) I can think of is a Heathkit ET3400
emulator ! If you cannot find one online, contact me direct ( offlist ) and
I'll E-mail it to you. It's a pretty decent emulator. The graphics are okay.
This is for the 6800 microprocessor. It's a great teaching aid and the price
Best regards, Steven Canning
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