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What’s next?

I've been kind of dreading it, but now is the time to finally tackle the UPD7759 emulation in MAME. Since the most recent update by OG a while back, Jarek has found out a bunch of other good information about the chip, specifically the exact clock timings for slave mode, which is used by the System 16B games. I'm hoping that proper emulation of this mode will help fix most of the glitches in the ADPCM playback on all the System 16B games. <fingers crossed>