Sergey Svishchev 6e9324e09f PDP11: Changes for Terak 8510/a simulator: ...

Accept devices mapped at IOPAGEBASE -- text buffer/character generator
memory on video board starts at 160000.

Clear invalid PSW bits in trap handler -- system acceptance test writes
PSW 113705 to vector 34 (TRAP instruction).

2025-09-10 15:24:49 -04:00

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