I think a coders time would be better spent on improving regular PC Engine emulation, like on the PCEcast emulator.
Besides the time required to put into coding something like the PCE, let alone the SuperGrafx, Chui hasn't posted here, or even at Dreamcast.es, in a while...
Heck if you'd be willing to donate a cheap Dreamcast to Uguru at http://www.developia.info/, he might be more likely to update the PCEcast emulator.
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