[sebhc] h17 and h8d disk images

Jim Tittsler jwt at OnJapan.net
Wed Sep 1 20:10:02 CDT 2004

On Wed, Sep 01, 2004 at 08:55:58PM -0400, Barry Watzman wrote:
> I'm absolutely certain that there was a Lifeboat version org'd with a higher
> TPA and ROM at zero.  It was, in that regard, the same version of CP/M used
> on the original Radio Shack TRS-80, which also had ROM (Microsoft ROM Basic)
> at zero, and I worked for months with Larry Alcoff (of Lifeboat) to write
> that non-standard version for the H-8 and H-89 (with, at that time, only the
> H-17 disk system).  What I'm not sure of with certainty is where the RAM
> base and TPA began, I think it was 4200 hex but my recollection is fuzzy on
> that.

Yes, I mentioned it here a couple of months back.  It was
indeed 4200h.

What I can't remember for sure is if it would work with the
H8-5.  I'm pretty sure it did... but I think you'd have to
try it to find out.
Delivered by the SEBHC Mailing List

More information about the Sebhc mailing list