VAXstation 100 firmware notes

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Revision as of 11:55, 10 February 2023 by Larsbrinkhoff (talk | contribs) (Start documenting D0 flags.)
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Random notes from running the firmware in an emulator.

Memory map

Error LEDs

D0 flags

The firmware maintains a set of flags in register D0.

Bit (decimal) Meaning
16 Maintenance mode
25 Vertical retrace interrupt
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