Sounds like a very interesting development! 
Ops! Sorry for any incomvenience...
By the way, I've been coding hard these last two days, and I have done a sample editor to be included in a MSX tracker. It allows to edit 32 step samples, adjusting envelope, noise frequency, mask for both effects and tune modulation. Sounds quite well for a simple PSG thinggy. It's somewhat based upon SoundTracker for ZX Spectrum.
In a few days I will put it on-line in my own page.
Kind regards,
Ed Robsy
I had no idea the ZX Sound Tracker could use samples but that ideed would be a very good thing to have such a tracker ported to MSX. PSG rules
Keep us updated on your progress.
AY-3-8910 forever!
amen
I also heard about pseudo-8bit samples playing (you can check it in some Bandwagon demos). Atari users use the PSG (they called it simply 'Yamaha' chip) to make that kind of sounds. Perhaps yo should ask Atari ST coders/musicians for this sampling technology on PSG.
Hey,
That's true and for the last demos (more speficially Vesikauhu), the samples were played realtime. The thing worked really simple. We had a sample playing at 8000 Hz and an effect refreshing at 50. So I'd
1. Play 160 bytes of the sample (=8000/50).
2. Dump one byte to the VRAM.
And so on, until the screen is finished. It was surprisingly easy even on the MSX1. 3.57 MHz is a lot of CPU power, really, when you hog the whole CPU to yourself. Too bad no-one seemed to notice our little trick. 