[sebhc] busses and roms
Dwight K. Elvey
dwight.elvey at amd.com
Mon Jun 7 15:20:00 CDT 2004
>From: "Patrick Rigney" <patrick at vintagecomputermarketplace.com>
>> No, 444-19 is PAM-8, for the H-8. The MTR series roms are
>> different, but
>> they do have compatible entry points so they work with H-8 software.
>Steven, in my H-89 assembly manual, 444-19 is the "H-17 ROM". Did Heath
>have different ROMs with the same part number?
The H-17 ROM in my H89 matches that that is on the floppy
controller board of my H8. Although, I've not read that
portion of the XCON8, I suspect it is also identical because
I do a few direct calls into the code ( not though the jump
tables ) to the H-17 and these all seem to work as well
on the XCON8.
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