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feat: Initial Implementation of DMA Audio

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-04-10 04:28:05 -03:00
parent c100d64fcb
commit 76b4d56ca6
9 changed files with 233 additions and 71 deletions
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6
src/bus/io.zig
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@@ -143,8 +143,8 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
0x0400_001C => bus.ppu.setBgOffsets(3, value),
// Sound
0x0400_00A0 => log.warn("Wrote 0x{X:0>8} to FIFO_A", .{value}),
0x0400_00A4 => log.warn("Wrote 0x{X:0>8} to FIFO_B", .{value}),
0x0400_00A0 => bus.apu.chA.push(value),
0x0400_00A4 => bus.apu.chB.push(value),
// DMA Transfers
0x0400_00B0 => bus.dma._0.writeSad(value),
@@ -208,7 +208,7 @@ pub fn write(bus: *Bus, comptime T: type, address: u32, value: T) void {
// Sound
0x0400_0080 => bus.apu.ch_vol_cnt.raw = value,
0x0400_0082 => bus.apu.dma_cnt.raw = value,
0x0400_0082 => bus.apu.setDmaCnt(value),
0x0400_0084 => bus.apu.setSoundCntX(value >> 7 & 1 == 1),
0x0400_0088 => bus.apu.bias.raw = value,