OPNA for MSX - Anyone working on one to market & interest?

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By syn

Paragon (1766)

syn's picture

12-03-2018, 01:12

Could be pulls from used/defect old hardware like arcade boards. And opl4 might be more expensive in general (more channels etc) although i dont have info regarding that

By Pencioner

Champion (453)

Pencioner's picture

12-03-2018, 01:28

I don't remember exactly but the price was around $30 for OPL4 (not used, not fake) on ebay. I bought one for homebrew Wozblaster in 2015

By Grauw

Enlighted (6851)

Grauw's picture

12-03-2018, 09:56

OPNA’s ADPCM is near identical to the MSX-AUDIO’s, so it should be possible, but I tried once to do it quickly and it didn’t work so it needs some further investigation. But still the six PCM drums are not emulated then... I suppose I could play those with the OPL4, but... yeah, it becomes quite a stack of sound chips you need then. Not a priority for me, I’d rather encourage OPNA hardware development for proper playback Smile.

I bought four OPNAs from an eBay seller a few years back, one of which is on the OPNA board I got from Leonard, and all four of them are real. (Even though their surface looked a bit dodgy so I was suspicious after I got them.)

By -Neo-

Champion (363)

-Neo-'s picture

12-03-2018, 18:19

Maybe Leonard will join in and be willing to produce a OPNA cartridge for those interested. Or in case he can't maybe share board design so someone else is able to produce it.

7 showed interest till now, differing on the amount of interest. If it would help development I would even buy 2 Smile

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