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fix(bus): fix confusion about which fastmem write table is for which write type

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-11-02 08:21:59 -03:00
parent b8a5fb95c1
commit d34893ba72
1 changed files with 3 additions and 3 deletions
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6
src/core/Bus.zig
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@ -88,8 +88,8 @@ pub fn init(self: *Self, allocator: Allocator, sched: *Scheduler, cpu: *Arm7tdmi
// Internal Display Memory behavious unusually on 8-bit reads // Internal Display Memory behavious unusually on 8-bit reads
// so we have two different tables depending on whether there's an 8-bit read or not // so we have two different tables depending on whether there's an 8-bit read or not
fillWriteTable(u8, self, left_write); fillWriteTable(u32, self, left_write);
fillWriteTable(u32, self, right_write); fillWriteTable(u8, self, right_write);
} }
pub fn deinit(self: *Self) void { pub fn deinit(self: *Self) void {
@ -379,7 +379,7 @@ pub fn write(self: *Self, comptime T: type, unaligned_address: u32, value: T) vo
// We're doing some serious out-of-bounds open-bus writes, they do nothing though // We're doing some serious out-of-bounds open-bus writes, they do nothing though
if (page > table_len) return; if (page > table_len) return;
if (self.write_tables[@boolToInt(T == u32)][page]) |some_ptr| { if (self.write_tables[@boolToInt(T == u8)][page]) |some_ptr| {
// We have a pointer to a page, cast the pointer to it's underlying type // We have a pointer to a page, cast the pointer to it's underlying type
const Ptr = [*]T; const Ptr = [*]T;
const alignment = @alignOf(std.meta.Child(Ptr)); const alignment = @alignOf(std.meta.Child(Ptr));