Michael WesselRevision 2 that fixes the /RE pin header layout flaw is working:
Also, I extended the RAM emulation to 4 KBs (!) - shown with a decoder config from 0x0000 to 0x0fff here.
When I built it I also encountered an issue with 74LS373 chips - turns out not all TTL LS latches were created equally... some troubleshooting advice for PicoRAM builders is in this video:
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