Re: New Lisa Stuff

From: Tom Frikker <tom.frikker_at_email.domain.hidden>
Date: Sun, 5 Jan 2014 19:33:00 -0800 (PST)


I'm just going to use this thread as a place where I can just jot down my thoughts. Narrowing down the problem described earlier with the bad I/O board:
The error in startup should be between the ROM lines of 08A6 (Label DSPCPURM called, where the Lisa is told to print the ROM information "H" on the screen, after it has drawn the desktop at 08A2) and 0A7C (Label BEEP called, where the Lisa is told to "click" the speaker display the diagnostic test screen).
I'll keep sifting the code, but I think that whatever is plaguing this I/O board is in there somewhere (most of the information between these tags has to do with initializing the COPS chip, so I'll look into that).

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Received on 2014-01-06 10:24:36

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