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
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<andlabs>
ok
<andlabs>
thanks
<andlabs>
I'll mull over all of this
<cr1901_modern>
I wish more ppl idled in #discferret. Kinda feel guilty I'm "stealing" traffic from them, especially since there's been rumblings of activity in the past few months.
<andlabs>
#notyamahasynths
<cr1901_modern>
I mean, I've never enforced an OT here lmao
<cr1901_modern>
and never will
<andlabs>
I should probably head home now
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<whitequark>
Lord_Nightmare: "as long as your PLL correctly locks to the bit-cells regardless of what speed the drive was supposed to be spinning at, you will be able to decode the data correctly"
<whitequark>
are you sure?
<whitequark>
for example, i've tried reading HD 3.5" floppies with the drive in DD mode and vice versa
<whitequark>
and it doesn't actually work
<whitequark>
because it changes the parameters of the filter
<whitequark>
wouldn't this be just as much of a problem for GCR?
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<Sarayan>
wq: ohhh, you actually saw filter changes? Nice
<cr1901_modern>
buy it, open it, and dump the ROMs :P?
<protosphere>
from the outside it looks like a 55ST
<KitsuWhooa>
Roms will most likely be the same I'd imagine
<protosphere>
what about for the echo? i wonder if it's analogue or some sort of dsp
<cr1901_modern>
then how does the "K" fit into it?
<protosphere>
do i rea;lly need a third sc55
<KitsuWhooa>
Can always resell it I guess
<protosphere>
90 AUD isn't too bad for an ST these days either
<cr1901_modern>
nukeykt: Thanks for stopping by, btw :). Wb
<protosphere>
well, I got it. I'll see if it has anything interesting inside
<cr1901_modern>
nice!
<Lord_Nightmare>
did we ever figure out what cpu the sc-55 actually uses?
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<cr1901_modern>
Lord_Nightmare: 8098 series?
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<Lord_Nightmare>
8098?
<Lord_Nightmare>
er, i8098, the 8-bit variant of the MCS-96 (i guess itd be called the MCS-98?) series?
<Lord_Nightmare>
I know the original mt-32 pcb rev 0 and 1 uses a romless 8095, the mt-32 2.0 pcb uses an ?8098? or is it an 80198? i forget, i know balrog has one
<Lord_Nightmare>
the lapc-i and the cm-32l use an 80198
<Lord_Nightmare>
the cm-32p uses an 8098
<Lord_Nightmare>
please note the mt-32 firmware was ported poorly to the 80198 from the 8095 and so some software-lfo cycle timed code no longer functions correctly
<Lord_Nightmare>
on the cm-32l, lapc-i (and cm-64 which is a cm-32l and cm-32p in one case)
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<KitsuWhooa>
One of my power supplies switches the power on and off on that plug too :p
<__sen>
KitsuWhooa: an old AT one, or one with soft power?
<KitsuWhooa>
AT :p
<__sen>
Ahh that makes more sense, okay :D
<cr1901_modern>
Both my 286 and 8088 use the power-pass-through feature
<cr1901_modern>
I understand it's not useful anymore, but I wish modern computers had them
<__sen>
Not useful for the original purpose maybe, but still useful overall I think. Would be neat if there was a relay to toggle it based on soft power, which is what I thought KitsuWhooa had :)
<KitsuWhooa>
I mean
<KitsuWhooa>
I'm sure you can mod one to do it :p
<KitsuWhooa>
very easy, actually
<__sen>
True! :D
<KitsuWhooa>
just take a relay and hook it up to 12v or whatever
<KitsuWhooa>
whenever the power supply turns on, the relay will turn on too :p
<cr1901_modern>
I don't think AT supplies support soft power
<KitsuWhooa>
nope
<KitsuWhooa>
which is why it's easy to switch the power through plug
<cr1901_modern>
you can force a system reset by grounding power-good, but that's about it
<KitsuWhooa>
I have an odd QDI motherboard that has both AT and ATX
<KitsuWhooa>
ATX doesn't work on it for some reason
<KitsuWhooa>
but the reset does :p
<KitsuWhooa>
I'm really struggling to remember the model