The TRS-80 Journey Continues

Fred Cisin cisin at
Wed May 11 20:05:56 CDT 2022

>> In the meantime (as a proof of concept?), you can manually read and write 
>> sectors with SUPERZAP  ?

On Wed, 11 May 2022, Bill Gunshannon via cctalk wrote:
> Wow, SuperZAP.  Time do build a System with NEWDOS80.  :-)

Well, it's a good one to have.
There are lots of alternatives to SUPERZAP, including TRAKCESS, whose 
source code will answer a few questions about TRS80 disk access.
Allen Gelder (Superstep) once told me that TRAKCESS had been Roixton 
Baker's major assembly language learning project.
and, TRSCROSS by Mike Gingel does some disk format conversion.

>> and create a program in PL/M that makes boot floppies.
> Well, at least to write the boot code to the disk.  Still have
> to figure out what files need to be there for each OS and come
> up with a way to copy them.  Hopefully as automated as possible.
> But not right now as tomorrow I leave for Walter Reed Hospital.

I hope that that's as a doctor/consultant/visitor, not for treatment.

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