ChanServ changed the topic of ##yamahasynths to: Channel dedicated to questions and discussion of Yamaha FM Synthesizer internals and corresponding REing. Discussion of synthesis methods similar to the Yamaha line of chips, Sound Blasters + clones, PCM chips like RF5C68, and CD theory of operation are also on-topic. Channel logs: https://freenode.irclog.whitequark.org/~h~yamahasynths
emeb has left ##yamahasynths [##yamahasynths]
andlabs has quit [Quit: My MacBook has gone to sleep. ZZZzzz…]
andlabs has joined ##yamahasynths
_whitelogger has joined ##yamahasynths
samlittlewood has quit [Read error: Connection reset by peer]
samlittlewood has joined ##yamahasynths
samlittlewood_ has joined ##yamahasynths
samlittlewood has quit [Ping timeout: 256 seconds]
samlittlewood_ is now known as samlittlewood
<m4t>
anyone know a source for OPL4 chips? seem unobtanium.
<m4t>
"The YMF278B was used in the Moonsound MSX sound card and in Yamaha's SoundEdge sound card for IBM PC and compatibles."
<superctr__>
cheap PC sound cards are probably the best source
<superctr__>
the OPL4 was used in various noname sound cards
<m4t>
ah cool
<m4t>
i saw some newer cards but they were pci interface chips
<superctr__>
also those sound cards probably won't have any RAM for the OPL4 chip, so you'll only be able to hear the YRW801 samples (which tbh aren't bad)
<m4t>
i guess they're too rare to exist in bare chip form though like a lot of the others
<superctr__>
I think you can find them but chances are that the chinese salvagers are too lazy to bother with SMT chips :P
<andlabs>
shin megami tensei chips
<andlabs>
also the sunrise moonsound is also unobtanium
<m4t>
hmm i figure hot air would be easier than pulling pin by pin
<m4t>
maybe they don't clean up as well with blacktop :(
<andlabs>
and because I am me I want an actual authentic one
<andlabs>
I was lucky the first one of those Phillips MSX-AUDIO modules I found was unmodified, because I would have gone out of my way to find one that wasn't if not
<superctr__>
it was in production for quite a while
<andlabs>
opl4 would have been a flop if not for soundblaster compatibility
<superctr__>
but I think that it was succeeded fairly quickly by the XG series
<andlabs>
FM was already out of vogue by the mid 90s
<superctr__>
Yamaha made the OPL3-SAx series with full peripheral support (and that worked fine with software wavetable synths), and the XG chips with built in ROM and OPL3 synth. consider that the OPL4 required external memory, the aforementioned chips would have been a better option
<superctr__>
so I think Yamaha simply outcompeted it with their own chips lol
<superctr__>
It still found some use in arcade machines though
<superctr__>
where it competed with the YMF271 and YMZ280B
<m4t>
2 references to arcadegamejapan.com i can find, both in relation to them having opl4