CREDIT DOWN

From NeoGeo Development Wiki
Jump to navigation Jump to search

CREDIT_DOWN ($C00456)

System ROM routine called to deduct credits.

Input: Credits to deduct in BIOS_CREDIT_DEC1 ( $10FDB0) for player 1, and BIOS_CREDIT_DEC2 ( $10FDB1) for player 2.

Also updates the MVS book keeping.