6800, 6809 Web pages

Last edit Aor 22 2024. Edited by Herb Johnson, (c) Herb Johnson, except for content written by others. Contact Herb at www.retrotechnology.com, an email address is on that page..


Over the decades, I've worked on a number of Motorola 6800 or 6809 based vintage computers. Here's a list of those pages. Simple concept here. - Herb Johnson

Exorbus based systems

EXORset 30 Motorola (6809) development system
Motorola 6800 6809 EXORbus-based systems
odd Exorbus 6800 AMF boards

Cross assemblers

A68 6800 cross-assembler
asmx 2.0 macro cross-assembler including 6800

SS-50 systems

SWTP 6800 system
SWTPc 6800 system cleanup
SWTP SS-50 Web page
Frederic Le Duigou's SWTPC 6800 systems
Z80 card for the SS-50 bus
SS-50 Specification by Bob Applegate, Corsham Technology
Microcomputer bus history including SS-50 and Exorbus

Motorola D2 microcomputer and MIKBUG, related ROM monitors

Motorola MEK6800D2 computer
MIKBUG, Smithbug, related 6800 ROM monitors

Other 6800 6809 computers

MITS Altair 680
Pro-Log pre-STDbus cards including MPS 8611 with 6800 CPU
Herb's STD bus cards
- including Pro-Log PLS-868 one-card not-STDbus 6800 "system"; Pro-Log 7802, 6800 CPU StdBus board
ET3400A 6808 breadboard

Contact information:
Herb Johnson
New Jersey, USA
To email @ me, see
see my home Web page.

This page and edited content is copyright Herb Johnson (c) 2024. Copyright of other contents beyond brief quotes, is held by those authors. Contact Herb at www.retrotechnology.com, an email address is available on that page..