HELP - Gyruss weirdness

SCUBA King

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Donor 6 years: 2020-2025
Joined
Dec 3, 2020
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South Lyon, Michigan
Boots mostly
Used @shoestring test rom.
Says k1,not responding.

When I go into diagnostics on his rom, when I try to go to any menu and hit p1 fire, than moves up the menu (not entering)

Missing all sprites.

Swapped in know. Working k1. No change.

2114s were socketed, all checkout good

Wondering if anyone else has had same issue where diag rom won't let you enter submenus for sprite testing etc.
 
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