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* 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