furnace/papers/doc/7-systems/bubblesystem.md
cam900 69aeb7dd58 Add Bubble System Support
Bubble System 2 channel Wavetable sound generator logic is configuration with K005289, 4 bit PROM and DAC.
K005289 controls pitch and 5 bit address generator per channel, Waveform select and Volume control is tied to AY-3-8910 ports. (each port for per channels)
these configuration is better known as K005289, the part of logic.
furnace emulates this configurations as single system, waveform format is 15 level and 32 width.
2022-03-14 19:22:12 +09:00

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# Bubble System/K005289
a Konami's 2 channel wavetable sound generator logic used at their arcade hardware Bubble System.
It's configured with K005289, 4 bit PROM and DAC.
Also known as K005289, but that's just part of the logic used for pitch and wavetable ROM address. Waveform select and Volume control are tied with AY-3-8910 port.
furnace emulates this configurations as single system, waveform format is 15 level and 32 width.
# effects
- `10xx`: change wave.