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POKEY: implement two-tone mode effect

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tildearrow 2023-06-20 14:43:20 -05:00
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doc/7-systems/pokey.md
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@ -32,3 +32,6 @@ a sound and input chip developed by Atari for their 8-bit computers (Atari 400,
- filtered output on channel 2 (I suggest you to set channel 4 volume to 0).
- use for PWM effects (not automatic!).
- bit 0: 15KHz mode.
- 12xx: toggle two-tone mode.
- when enabled, channel 2 modulates channel 1. I don't know how, but it does.
- only on ASAP core.