Service module (SM1C) and peripherial flags

[ThomasF]

(05-27-2024 10:43 AM)brouhaha Wrote:  

(05-27-2024 08:46 AM)ThomasF Wrote:  Apparently it loads a flag pattern in the C register, and then checks to see if the FI flags are set accordingly.
But I can't understand how the flags are updated, IMHO only specific hardware can drive the FI lines and setting of the flags, this is not possible by just software.

Yes, that test won't work without a "flag-wired" module,

Ah, thanks Eric, that makes much more sense!
So, looking at the memory usage further down in the code, it might be possible figure out the memory specs as well.

This brings me on a new trail - it should be possible to have the Pico emulating the ET-11976 and get the Service module up and running too ...

Cheers,
Thomas