What brought this on was the write up at
http://circuit-bent.net/pss-270-tutorial.html detailing the trace cutting bend for PSS-270. After researching the chip for a few minutes I learned that it is a Simple FM sound generator that uses an 8-Bit data bus to control all of the registers. Unfortulatelly I couldn't find a supplier for the chip, but I would be willing to bet that any basic Yamaha keyboard has one. However one thing that is for sure this chip is in the Sega Master System along with a relative of sn76477. Cutting the datalines would get some interesting results for sure, but pumping data into the chip should be quite fun as well. It just so happens that I have a Master System laying around and I am not afraid to gut it. Maybe sometime next week.
Great YM2413 info.
http://www.xs4all.nl/~ronholst/map/resources/sound/yamaha_ym2413_ds.pdf
http://en.wikipedia.org/wiki/Yamaha_YM2413
What brought this on was the write up at http://circuit-bent.net/pss-270-tutorial.html detailing the trace cutting bend for PSS-270. After researching the chip for a few minutes I learned that it is a Simple FM sound generator that uses an 8-Bit data bus to control all of the registers. Unfortulatelly I couldn't find a supplier for the chip, but I would be willing to bet that any basic Yamaha keyboard has one. However one thing that is for sure this chip is in the Sega Master System along with a relative of sn76477. Cutting the datalines would get some interesting results for sure, but pumping data into the chip should be quite fun as well. It just so happens that I have a Master System laying around and I am not afraid to gut it. Maybe sometime next week.
Great YM2413 info.
http://www.xs4all.nl/~ronholst/map/resources/sound/yamaha_ym2413_ds.pdf
http://en.wikipedia.org/wiki/Yamaha_YM2413
2 Comments:
At 9/12/2005 08:47:10 PM, db said…
for the record, the psr6 does and the pss80 does not have the ym2413 ic. i've done the tracecutting on my psr6 with interesting results.
At 9/12/2005 10:10:28 PM, monki said…
The PSS-170 also has the chip. I just did the cuts earlier today. Certainly interesting, albeit rather unpredictable.
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