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feat: implement several sound i/o registers

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This commit is contained in:
Rekai Nyangadzayi Musuka
2021-01-17 17:33:12 -06:00
parent 072c5f1b70
commit 251f4e8d6d
2 changed files with 175 additions and 0 deletions
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6
src/bus.rs
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@@ -99,6 +99,9 @@ impl Bus {
match addr {
0xFF07 => self.timer.control.into(),
0xFF0F => self.interrupt.flag.into(),
0xFF11 => self.sound.ch1.sound_duty.into(),
0xFF12 => self.sound.ch1.vol_envelope.into(),
0xFF25 => self.sound.select.into(),
0xFF26 => self.sound.status.into(),
_ => unimplemented!("Unable to read {:#06X} in I/O Registers", addr),
}
@@ -157,6 +160,9 @@ impl Bus {
match addr {
0xFF07 => self.timer.control = byte.into(),
0xFF0F => self.interrupt.flag = byte.into(),
0xFF11 => self.sound.ch1.sound_duty = byte.into(),
0xFF12 => self.sound.ch1.vol_envelope = byte.into(),
0xFF25 => self.sound.select = byte.into(),
0xFF26 => self.sound.status = byte.into(), // FIXME: Should we control which bytes are written to here?
_ => unimplemented!("Unable to write to {:#06X} in I/O Registers", addr),
};