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e76ecd19b3
CUPL code had not been updated for HW Rev 1 which inverted the RP2040's data direction pin, which is used in concert with the level shifter select lines to trigger a release of the $C800 window from the RP2040 side.
∀2 Retro Computing Analog VGA Card & PicoPal
This is a fork of Mark Aikens Apple II VGA project with a new board design, custom logic in an PAL16V8 to handle card select lines, and upgraded firmware with many new features.
Full details are available at ∀2 Retro Computing.