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* Interrupt-driven keyboard input.Julian Blake Kongslie2021-11-214-31/+94
* Implement switches Start and LoadAdd.Julian Blake Kongslie2021-11-213-15/+84
* Implement single-stepping the core.Julian Blake Kongslie2021-10-313-238/+259
* Fix the hello.pal program that we broke.Julian Blake Kongslie2021-10-311-1/+1
* 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 Kongslie2021-10-245-29/+183
* Ignore backup files created by Altera GUI.Julian Blake Kongslie2021-10-241-0/+1
* Blinkenlights.Julian Blake Kongslie2021-10-243-3/+286
* Work in progress from May 30wipJulian Blake Kongslie2021-05-304-9067/+39306
* Work in progress from May 9Julian Blake Kongslie2021-05-167-38/+64202
* Add a few more binaries to play with.Julian Blake Kongslie2021-05-093-1/+4
* Keyboard input.Julian Blake Kongslie2021-05-092-5/+35
* Delete no-longer-used hex file for pre-PDP-8 ISA.Julian Blake Kongslie2021-05-071-125/+0
* Add a bunch of microcoded instructions.Julian Blake Kongslie2021-05-022-11/+103
* 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
* Less noisy file format conversion.Julian Blake Kongslie2021-04-181-14/+4
* Support a proper PDP-8 assembler.Julian Blake Kongslie2021-04-186-72/+333
* 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
* Fix timing declarations for PLL in Quartus assignments.Julian Blake Kongslie2021-04-152-1/+2
* More makefile corrections/simplifications for quartus on Linux.Julian Blake Kongslie2021-04-151-4/+4
* Properly quote quartus_pgm commandline.Julian Blake Kongslie2021-04-151-1/+1
* Add a quick and dirty script for computing PLL parameters.Julian Blake Kongslie2021-04-151-0/+23
* Tell Quartus that we're using a scaled clock.Julian Blake Kongslie2021-04-142-2/+2
* Improved clean target in MakefileJulian Blake Kongslie2021-04-141-1/+1
* Makefile support for Linux quartusJulian Blake Kongslie2021-04-141-3/+14
* Ignore various artifacts of quartus build.Julian Blake Kongslie2021-04-141-0/+12
* Use internal PLL for clock and reset generation.Julian Blake Kongslie2021-04-143-11/+159
* Add UART receive opbit.Julian Blake Kongslie2021-04-074-4/+38
* Switch back to $past-based scheduling; my clever idea wasn't clever enough.Julian Blake Kongslie2021-04-074-101/+74
* Don't rebuild verilator just for memory file changes.Julian Blake Kongslie2021-04-051-2/+3
* Change the null byte from no-op to halt.Julian Blake Kongslie2021-04-053-3/+3
* Use the assembler for allocating static storage in the Fib program.Julian Blake Kongslie2021-04-051-51/+51
* Assembler errors for too-far jumps.Julian Blake Kongslie2021-04-051-0/+2
* 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
* Longer runtime for verilator before giving up.Julian Blake Kongslie2021-04-051-1/+1
* Change build system so verilator doesn't require constant "make clean"s.Julian Blake Kongslie2021-04-052-3/+7
* Remove idx, add indirect jumps, renumber opcodes so NOP=0, add absolute label...Julian Blake Kongslie2021-04-043-117/+133
* Add indirect memory operations.Julian Blake Kongslie2021-04-043-8/+34
* Very fancy improved Fibonacci machine, with HDL convert-to-ASCII functionalityJulian Blake Kongslie2021-04-043-13/+80
* Remove unneeded .exe suffixes in bat scripts.Julian Blake Kongslie2021-04-042-4/+4
* Change assembler input to make it idempotent.Julian Blake Kongslie2021-04-041-0/+1
* Streamlined the Fibonacci program somewhat.Julian Blake Kongslie2021-03-301-17/+10
* Add a Fibonacci sequence to the end of output (no ASCII conversion yet)Julian Blake Kongslie2021-03-292-13/+20
* Trivial assembler.Julian Blake Kongslie2021-03-292-10/+71
* Trivial cleanup of initial memory image.Julian Blake Kongslie2021-03-291-2/+1
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