And all fixed. Somehow broke VRAM memory addressing a bit. I'm now getting funky 80's "metal object touched the expansion slot of my ZX Spectrum" artifacts :)
This is curious... My changes to the RISCV core (switched the state machine to one-hot encoding) work perfectly fine in the behavioral simulation, but generate a completely garbage output for synthesis / implementation. Added probes to hardware and indeed it's all gone R2-D2...
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