0xrsydn/gameboy-rust
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feat(audio): add single-bank wave channel playback

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0xrsydn 2026-10-07 06:49:32 +07:00
commit f496f12ea3
20 changed files with 860 additions and 44 deletions
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7
crates/gba-core/tests/inactive_devices.rs
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@ -97,7 +97,7 @@ fn unsupported_operations_have_specific_retryable_diagnostics() {
#[test]
fn block_store_rejects_later_activation_before_earlier_control_writes() {
let code: [u32; 7] = [
0xe3a00301, 0xe2800070, 0xe59f1008, 0xe3a02902, 0xe8a00006, 0xeafffffe, 0x12345678,
0xe3a00301, 0xe2800070, 0xe59f1008, 0xe3a02902, 0xe8a00006, 0xeafffffe, 0x123400a0,
];
let mut bus = Memory::new(code.into_iter().flat_map(u32::to_le_bytes).collect()).unwrap();
bus.write16(SOUNDCNT_X, 0x80).unwrap();
@ -108,7 +108,7 @@ fn block_store_rejects_later_activation_before_earlier_control_writes() {
let before = machine.cpu().clone();
let cycles = machine.cycles();
let error = machine.step().unwrap_err();
assert!(error.to_string().contains("PSG channel trigger"));
assert!(error.to_string().contains("64-sample wave playback"));
assert_eq!(machine.cpu(), &before);
assert_eq!(machine.cycles(), cycles);
assert_eq!(machine.memory().read16(0x04000070).unwrap(), 0);
@ -119,6 +119,7 @@ fn block_store_rejects_later_activation_before_earlier_control_writes() {
fn dma_activation_error_preserves_channel_progress_and_clocks() {
let mut bus = memory();
bus.write16(SOUNDCNT_X, 0x80).unwrap();
bus.write16(0x04000070, 0xa0).unwrap();
bus.write32(0x02000000, 0x8000).unwrap();
bus.write32(DMA_BASE, 0x02000000).unwrap();
bus.write32(DMA_BASE + 4, 0x04000074).unwrap();
@ -126,7 +127,7 @@ fn dma_activation_error_preserves_channel_progress_and_clocks() {
let mut machine = Machine::new(Cpu::new(ROM_START), bus);
let before = machine.cpu().clone();
let error = machine.step().unwrap_err();
assert!(error.to_string().contains("PSG channel trigger"));
assert!(error.to_string().contains("64-sample wave playback"));
assert_eq!(machine.cycles(), 0);
assert_eq!(machine.cpu(), &before);
assert_eq!(machine.step(), Err(error));