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PPU timings

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This commit is contained in:
Franco Colmenarez
2021-10-28 19:38:30 -05:00
parent 6ad3f9f29b
commit 7f9fdc9935
5 changed files with 117 additions and 32 deletions
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src/bus.rs
+3 -6
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@@ -40,7 +40,8 @@ pub struct Bus {
impl Bus {
pub fn new() -> Self {
let game_rom = match ROM::load_file("ignore/dmg-acid2.gb".to_string()) {
let game_rom = match ROM::load_file("ignore/tetris.gb".to_string()) {
// let game_rom = match ROM::load_file("roms/cpu_instrs.gb".to_string()) {
// let game_rom = match ROM::load_file("roms/cpu_instrs_individual/01-special.gb".to_string()) {
// let game_rom = match ROM::load_file("roms/cpu_instrs_individual/03-op sp,hl.gb".to_string()) {
// let game_rom = match ROM::load_file("roms/cpu_instrs_individual/04-op r,imm.gb".to_string()) {
@@ -65,11 +66,7 @@ impl Bus {
if BANK_ZERO.in_range(address) || BANK_SWITCHABLE.in_range(address) {
return self.game_rom.read(address);
} else if IO_REGISTERS.in_range(address) {
return match address {
0xFF44 => 0x90,
0xFF4D => 0xFF,
_ => self.data[address as usize],
}
return self.data[address as usize];
}
self.data[address as usize]
}