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refactor(audio): share PSG length and envelope state

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0xrsydn 2026-10-07 02:40:09 +07:00
commit ca2134f23c
5 changed files with 153 additions and 123 deletions
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5
crates/gba-core/src/audio.rs
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@ -1,5 +1,6 @@
//! Nominal Direct Sound and PSG pulse channels 1–2. No host audio output.
mod modulation;
mod pulse;
use pulse::Pulse;
@ -144,8 +145,8 @@ impl Audio {
SOUNDCNT_H => self.control,
SOUNDCNT_X => {
(u16::from(self.enabled) << 7)
| u16::from(self.pulses[0].active)
| (u16::from(self.pulses[1].active) << 1)
| u16::from(self.pulses[0].modulation.active)
| (u16::from(self.pulses[1].modulation.active) << 1)
}
SOUNDBIAS => self.bias,
0x0400_0086 | 0x0400_008a => 0,