Thread:Loconator3000/@comment-1899606-20170826082723/@comment-5688420-20170826202813

Yup. This was used for their games that ran on the Bubble System arcade board, so named because of its use of bubble memory in place of ROM cartridges.

I have two Bubble System games in my Final Burn Alpha collection: Galactic Warriors and TwinBee. Both of which have a similar countdown.