4 Feb
2007
4 Feb
'07
3:57 p.m.
On 2/4/07, Tony Duell <ard at p850ug1.demon.co.uk> wrote:
If you don't want 'the first', try to get
a Model 4, original
(non-gate-array) CPU board versions. It's got a couple of features not
found on the earlier machines, including an 80*24 text mode display and
selectable memory mapping allowing RAM at location 0 so you can run
normal CP/M as well as TRS-DOS, LDOS, etc.
Ooh... didn't know that the M4 could run CP/M. When I was in High
School, our "Computer Math" class was done with a M3 and M4 running
TRS-DOS. If I'd known I could have gotten CP/M for it at the time (c.
1983), I would have been happy to bring that in. I was on independent
study anyway.
I'll have to see what I have lurking around in the way of TRS-80
hardware now. I got some right before I left for the Pole and it was
put away in my absence, so I'm not even sure what it all is (beyond a
Model 3 that did not come up during an initial check-out).
-ethan