#apu
- Pan Docs — Audio Details summaryThe internals-and-quirks page of the pan-docs audio section — "The PPU is a bunch of state machines, and the APU is a bunch of counters." It follows the signal from generator through DAC, mixer, master volume and …
- Pan Docs — Audio Overview summaryThe opening page of the audio section of pan-docs , the community Game Boy hardware reference (CC0). It names the four channels of the game-boy-apu , the VIN cartridge input and the shared concepts — triggering, …
- Pan Docs — Audio Registers summaryThe register-by-register specification of the game-boy-apu : the NRxy naming scheme (x = channel, 5 = global; NRx1 length/duty, NRx2 volume/envelope, NRx3 period low, NRx4 trigger, length enable and period high), then …