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* Really simple switch debounce.Julian Blake Kongslie2021-10-312-38/+59
* Verilator warning fixes.Julian Blake Kongslie2021-10-311-8/+10
* More blinkenlights work.Julian Blake Kongslie2021-10-243-28/+165
* Blinkenlights.Julian Blake Kongslie2021-10-242-0/+240
* Work in progress from May 30wipJulian Blake Kongslie2021-05-301-3/+3
* Work in progress from May 9Julian Blake Kongslie2021-05-161-36/+44
* Keyboard input.Julian Blake Kongslie2021-05-091-2/+25
* Add a bunch of microcoded instructions.Julian Blake Kongslie2021-05-021-3/+90
* Fix a few trivial errors with vector sizes, state names, and syntax.Julian Blake Kongslie2021-04-181-4/+4
* PDP-8 memory opcodesJulian Blake Kongslie2021-04-181-84/+92
* Move the core logic out of the top module.Julian Blake Kongslie2021-04-182-219/+232
* Change synthesis of PLL wrapper to avoid latch logic.pre-dp-8Julian Blake Kongslie2021-04-152-32/+20
* Use internal PLL for clock and reset generation.Julian Blake Kongslie2021-04-142-6/+154
* Add UART receive opbit.Julian Blake Kongslie2021-04-071-0/+12
* Switch back to $past-based scheduling; my clever idea wasn't clever enough.Julian Blake Kongslie2021-04-074-101/+74
* Change the null byte from no-op to halt.Julian Blake Kongslie2021-04-051-1/+1
* Change our simulator timing model to use continuous assignment guards.Julian Blake Kongslie2021-04-054-86/+113
* Make PC ADDR-sized rather than DATA-sized for nowJulian Blake Kongslie2021-04-051-3/+3
* Remove some old debug messages.Julian Blake Kongslie2021-04-051-11/+1
* Remove idx, add indirect jumps, renumber opcodes so NOP=0, add absolute label...Julian Blake Kongslie2021-04-041-31/+34
* Add indirect memory operations.Julian Blake Kongslie2021-04-041-6/+30
* Very fancy improved Fibonacci machine, with HDL convert-to-ASCII functionalityJulian Blake Kongslie2021-04-041-0/+11
* Add a Fibonacci sequence to the end of output (no ASCII conversion yet)Julian Blake Kongslie2021-03-291-1/+1
* Convert to using $sampled instead of $past, for more uniformity.Julian Blake Kongslie2021-03-293-13/+9
* Fix WIDTH warnings from verilator.Julian Blake Kongslie2021-03-291-5/+8
* Possibly slightly less lame.Julian Blake Kongslie2021-03-281-10/+10
* Yet another lame attempt.Julian Blake Kongslie2021-03-282-34/+71
* Pessimize JTAG UART somewhat.Julian Blake Kongslie2021-03-282-8/+5
* Use a separate memory module.Julian Blake Kongslie2021-03-282-9/+110
* Some more interesting opcodes.Julian Blake Kongslie2021-03-281-8/+23
* Initial commit.Julian Blake Kongslie2021-03-283-0/+178