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feat: emulator now sucessfully runs boot rom

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This commit is contained in:
Rekai Nyangadzayi Musuka
2021-01-19 00:30:10 -06:00
parent 9143286e9c
commit 1da01a318d
4 changed files with 119 additions and 23 deletions
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9
src/bus.rs
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@@ -112,6 +112,7 @@ impl Bus {
0xFF0F => self.interrupt.flag.into(),
0xFF11 => self.sound.ch1.sound_duty.into(),
0xFF12 => self.sound.ch1.vol_envelope.into(),
0xFF14 => self.sound.ch1.freq.get_hi(),
0xFF24 => self.sound.control.channel.into(),
0xFF25 => self.sound.control.select.into(),
0xFF26 => self.sound.control.status.into(),
@@ -180,6 +181,8 @@ impl Bus {
0xFF0F => self.interrupt.flag = byte.into(),
0xFF11 => self.sound.ch1.sound_duty = byte.into(),
0xFF12 => self.sound.ch1.vol_envelope = byte.into(),
0xFF13 => self.sound.ch1.freq.set_lo(byte),
0xFF14 => self.sound.ch1.freq.set_hi(byte),
0xFF24 => self.sound.control.channel = byte.into(),
0xFF25 => self.sound.control.select = byte.into(),
0xFF26 => self.sound.control.status = byte.into(), // FIXME: Should we control which bytes are written to here?
@@ -189,6 +192,12 @@ impl Bus {
0xFF43 => self.ppu.pos.scroll_x = byte,
0xFF44 => self.ppu.pos.line_y = byte,
0xFF47 => self.ppu.monochrome.bg_palette = byte.into(),
0xFF50 => {
// Disable Boot ROM
if byte != 0 {
self.boot = None;
}
}
_ => unimplemented!("Unable to write to {:#06X} in I/O Registers", addr),
};
}