In case anyone out in forum land was interested:
After a quick browse of the ROMs, the SQ-1 was clearly the basis of the Ensoniq sound system used in a lot of Taito mid-90s games (all of the F3 System stuff, and several other boards as well). The hardware's nearly identical (minus the obvious arcade-specific stuff), so it oughta be relatively easy to get this up and running.
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