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4-Feb-83 13:16:36-EST,00000001503;000000000001
Date: 4 Feb 1983 1316-EST
From: Sy.WBC3 at CU20B (Bill Catchings)
Subject: [Nick Bush <OC.SITGO at CU20C>: KERMIT-80 on Z-100's]
To: Sy.FdC
Here is the letter from Stevens.
-Bill
---------------
Date: 31 Jan 1983 1132-EST
From: Nick Bush <OC.SITGO at CU20C>
Subject: KERMIT-80 on Z-100's
To: SY.WBC3 at CU20B
The changes I made to make KERMIT-80 run on the Zenith Z-100 under CP/M-85
were very minor. The Z-100 works identically to the Heath H-89 except
for the location of the modem port, and the status bits. The required
definitions are:
MNPORT EQU 0ECH
MNPRTST EQU 0EDH
OUTPUT EQU 001H ; Bit is off when output is busy, on when done
; (same as H-89, just different bit)
INPUT EQU 002H ; Bit is on when input available (same as H-89)
With these changes, KERMIT-80 runs quite nicely under CP/M-85.
The other operating system for the Z-100 (ZDOS), claims to be able to run
CP/M .COM files, but I haven't found any method of getting one onto a
ZDOS format floppy. From the documentation, and from playing around with
the Z-100 and the IBM PC that we have as demo's, most programs that run
on the IBM seem to run correctly on the Z-100 under ZDOS, so I assume that
the IBM PC version of KERMIT would work on the Z-100 with only minor mods.
(Is the IBM PC version working yet? If so, could we get a copy to try?)
I'll send over what documentation we have on KERMIT-10 as soon as possible.
Nick Bush
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