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feat: implement LCDSTAT interrupt

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This commit is contained in:
Rekai Nyangadzayi Musuka
2021-03-21 00:01:21 -05:00
parent c64417fdce
commit 5a42d76f1e
3 changed files with 37 additions and 24 deletions
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11
src/bus.rs
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@@ -223,7 +223,16 @@ impl Bus {
0xFF42 => self.ppu.pos.scroll_y = byte,
0xFF43 => self.ppu.pos.scroll_x = byte,
0xFF44 => self.ppu.pos.line_y = byte,
0xFF45 => self.ppu.pos.ly_compare = byte == 0x01, // FIXME: We don't consider the possibility of a byte being different form 0x00 or 0x01
0xFF45 => {
// Update LYC
self.ppu.pos.ly_compare = byte;
// Update Coincidence Flag
if self.ppu.stat.coincidence_intr() {
let are_equal = self.ppu.pos.line_y == byte;
self.ppu.stat.set_coincidence(are_equal);
}
}
0xFF47 => self.ppu.monochrome.bg_palette = byte.into(),
0xFF48 => self.ppu.monochrome.obj_palette_0 = byte.into(),
0xFF49 => self.ppu.monochrome.obj_palette_1 = byte.into(),