Investigated with Phil Bennett and Charles MacDonald about why Bonanza Bros. never ever played samples from when it was marked as working. It turned out that Sega System 24 HW uses a FRC that also does a previously unemulated IRQ service.

Implemented ES5510 DSP DRAM latches to Taito F3 driver, this adds full sound to Riding Fight and gives correct sound to Ring Rage without going into test mode first.