HCF was causing halt and almost fire

douggilliland / R32V2020

My 32-bit RISC CPU for smallish FPGAs

GNU General Public License v3.0

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HCF was causing halt and almost fire #34

Closed douggilliland closed 5 years ago

douggilliland commented 5 years ago

Documenting fix to HCF issue.

Issue was once HCF executed the next time the processor was restarted it would still be in HCF. That is because the instruction ROM output was not being output exiting reset.

So HCF only halts and doesn't cause the CPU to catch fire any more ;)