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* Fix FLAGS bit handling by IO modelJulian Blake Kongslie2022-10-311-4/+4
* Restructure a lot of the control registersJulian Blake Kongslie2022-10-311-9/+10
* Level-trigger on TTO_FLAG instead of edge-trigger.Julian Blake Kongslie2022-10-311-2/+1
* Unify TT_INPUT_INT_ENABLE and TT_OUTPUT_INT_ENABLEJulian Blake Kongslie2022-10-311-2/+2
* Understanding interrupt handling within SIMH (see echo_int.pal)Julian Blake Kongslie2022-10-293-4/+46
* Control register values should not be "unsigned int"Julian Blake Kongslie2022-10-293-5/+9
* Initial interrupt controller supportJulian Blake Kongslie2022-10-221-9/+9
* Merge TT_INPUT and TT_OUTPUT into TT_BITSJulian Blake Kongslie2022-10-221-7/+7
* Faster IO model (until we determine how slow FOCAL needs to be)Julian Blake Kongslie2022-10-171-1/+1
* Nearly-working version of TTY outputJulian Blake Kongslie2022-10-161-1/+1
* Support for log-based event modelJulian Blake Kongslie2022-10-163-0/+82