feat(ppu): implement all ppu i/o reads

2022-10-29 01:08:58 -03:00
parent d859cee365
commit 3e62feacba
3 changed files with 45 additions and 12 deletions
--- a/src/core/Bus.zig
+++ b/src/core/Bus.zig
@@ -112,6 +112,7 @@ pub fn dbgRead(self: *const Self, comptime T: type, address: u32) T {
    };
 }

+/// TODO: Should open bus read addresses be force-aligned?
 fn readIo(self: *const Self, comptime T: type, unaligned_address: u32) T {
    const maybe_value = io.read(self, T, forceAlign(T, unaligned_address));
    return if (maybe_value) |value| value else self.openBus(T, unaligned_address);