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* Working focal!Julian Blake Kongslie2022-01-301-5/+16
| | | | | | | It turns out that indirect jumps don't preincrement. The interpreter is almost unreadable at this point due to debugging messages. Sorry.
* Switch back to $past-based scheduling; my clever idea wasn't clever enough.Julian Blake Kongslie2021-04-071-22/+15
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* Change our simulator timing model to use continuous assignment guards.Julian Blake Kongslie2021-04-051-18/+25
| | | | | | | Instead of depending on verilator getting $past right, this (ab-)uses the SystemVerilog scheduling model which allows us to get a consistent view of the universe by "isolating" the blocking updates. Easier to code to and seems to be more reliable in verilator.
* Convert to using $sampled instead of $past, for more uniformity.Julian Blake Kongslie2021-03-291-4/+0
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* Pessimize JTAG UART somewhat.Julian Blake Kongslie2021-03-281-0/+4
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* Initial commit.Julian Blake Kongslie2021-03-281-0/+84