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fix: implement 0xff41 and fix CALL instruciton

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This commit is contained in:
Rekai Nyangadzayi Musuka
2021-01-18 02:22:45 -06:00
parent 386a780a6f
commit 9203b61533
5 changed files with 84 additions and 19 deletions
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8
src/bus.rs
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@@ -108,6 +108,10 @@ impl Bus {
0xFF25 => self.sound.control.select.into(),
0xFF26 => self.sound.control.status.into(),
0xFF40 => self.ppu.lcd_control.into(),
0xFF41 => self.ppu.stat.into(),
0xFF42 => self.ppu.pos.scroll_y,
0xFF43 => self.ppu.pos.scroll_x,
0xFF44 => self.ppu.pos.line_y,
0xFF47 => self.ppu.monochrome.bg_palette.into(),
_ => unimplemented!("Unable to read {:#06X} in I/O Registers", addr),
}
@@ -172,6 +176,10 @@ impl Bus {
0xFF25 => self.sound.control.select = byte.into(),
0xFF26 => self.sound.control.status = byte.into(), // FIXME: Should we control which bytes are written to here?
0xFF40 => self.ppu.lcd_control = byte.into(),
0xFF41 => self.ppu.stat = byte.into(),
0xFF42 => self.ppu.pos.scroll_y = byte,
0xFF43 => self.ppu.pos.scroll_x = byte,
0xFF44 => self.ppu.pos.line_y = byte,
0xFF47 => self.ppu.monochrome.bg_palette = byte.into(),
_ => unimplemented!("Unable to write to {:#06X} in I/O Registers", addr),
};