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* Stricter and more accurate decoder for RMF instructionJulian Blake Kongslie2022-11-051-7/+16
* Convert unimplemented IOT device error into a warningJulian Blake Kongslie2022-11-051-2/+1
* Fix implementation of IAC microinstructionJulian Blake Kongslie2022-11-051-1/+2
* Implement RMF instructionJulian Blake Kongslie2022-11-051-3/+16
* Startup with TT interrupts already enabledJulian Blake Kongslie2022-11-051-0/+1
* Avoid rereading the FLAGS register; use FLAGS_SAVED for GTF.Julian Blake Kongslie2022-11-021-22/+15
* Implemented the remaining instructions required for echo_optimal.Julian Blake Kongslie2022-11-011-2/+42
* Fix FLAGS bit handling by IO modelJulian Blake Kongslie2022-10-311-1/+1
* Fix trivial typoJulian Blake Kongslie2022-10-311-1/+1
* Restructure a lot of the control registersJulian Blake Kongslie2022-10-314-27/+52
* Level-trigger on TTO_FLAG instead of edge-trigger.Julian Blake Kongslie2022-10-312-4/+3
* Unify TT_INPUT_INT_ENABLE and TT_OUTPUT_INT_ENABLEJulian Blake Kongslie2022-10-312-4/+3
* Only use DF for addresses generated via indirection.Julian Blake Kongslie2022-10-312-2/+3
* TAD is 12-bit addition with carry-complements-link, not 13-bit additionJulian Blake Kongslie2022-10-311-2/+2
* Understanding interrupt handling within SIMH (see echo_int.pal)Julian Blake Kongslie2022-10-294-16/+54
* Control register values should not be "unsigned int"Julian Blake Kongslie2022-10-293-2/+23
* Improve error messages for unimplemented instructionsJulian Blake Kongslie2022-10-231-7/+13
* Initial interrupt controller supportJulian Blake Kongslie2022-10-222-0/+67
* Improve decoder comments to directly reference instruct mnemonicsJulian Blake Kongslie2022-10-221-35/+35
* Merge TT_INPUT and TT_OUTPUT into TT_BITSJulian Blake Kongslie2022-10-222-20/+41
* Fix rotate left to not drop the highest bitJulian Blake Kongslie2022-10-171-2/+2
* Clean up address handling and change autoinc to preincrementJulian Blake Kongslie2022-10-172-4/+6
* Nearly-working version of TTY outputJulian Blake Kongslie2022-10-161-8/+68
* Support for log-based event modelJulian Blake Kongslie2022-10-164-21/+39
* Add MQ register support.Julian Blake Kongslie2022-10-154-0/+27
* Implement most of the OPR instructions.Julian Blake Kongslie2022-10-151-3/+87
* Actual palbart-compatible rim/bin loaderJulian Blake Kongslie2022-10-141-0/+4
* Trivial support for running the checker on an image.Julian Blake Kongslie2022-10-082-4/+31
* Minor cleanup and some compilation fixes.Julian Blake Kongslie2022-10-074-8/+31
* Initial commit.Julian Blake Kongslie2022-10-023-0/+184