8-bit acorn software: other • Re: Another test OS for BBC B/B+/Master

There's an updated release available: https://github.com/tom-seddon/beeb_test ... 56-61c1369

Changes, mostly as above:

• Updated (and hopefully that means improved!) code and docs, as per previous discussion. There's now an actual explanation of how to use the ROM, the combined ignore mask is shown on screen, and there's tables in the docs letting you map ignore mask to likely failing ICs
• The key for the visual bits test is now V
• The key for the memory test with options is now O

(I had a quick go at adding in some kind of test pattern, but space is actually rather tight on the Master version - a lot of the code has to fit into the top 4 KB of the ROM so that it's out of the way of HAZEL. This isn't insurmountable, just more work than I fancy right now. So this remains on the backlog.)

--Tom

Statistics: Posted by tom_seddon — Sat Aug 02, 2025 1:51 pm

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