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feat(bus): have VCOUNT be addressable on the bus

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-10-21 05:11:52 -03:00
parent 3590215d33
commit caa799853e
1 changed files with 3 additions and 0 deletions
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3
src/bus/io.zig
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@ -22,6 +22,7 @@ pub const Io = struct {
return switch (addr) { return switch (addr) {
0x0400_0000 => @as(u32, self.dispcnt.raw), 0x0400_0000 => @as(u32, self.dispcnt.raw),
0x0400_0004 => @as(u32, self.dispstat.raw), 0x0400_0004 => @as(u32, self.dispstat.raw),
0x0400_0006 => @as(u32, self.vcount.raw),
else => std.debug.panic("[I/O:32] tried to read from {X:}", .{addr}), else => std.debug.panic("[I/O:32] tried to read from {X:}", .{addr}),
}; };
} }
@ -30,6 +31,7 @@ pub const Io = struct {
return switch (addr) { return switch (addr) {
0x0400_0000 => self.dispcnt.raw, 0x0400_0000 => self.dispcnt.raw,
0x0400_0004 => self.dispstat.raw, 0x0400_0004 => self.dispstat.raw,
0x0400_0006 => self.vcount.raw,
else => std.debug.panic("[I/O:16] tried to read from {X:}", .{addr}), else => std.debug.panic("[I/O:16] tried to read from {X:}", .{addr}),
}; };
} }
@ -46,6 +48,7 @@ pub const Io = struct {
return switch (addr) { return switch (addr) {
0x0400_0000 => @truncate(u8, self.dispcnt.raw), 0x0400_0000 => @truncate(u8, self.dispcnt.raw),
0x0400_0004 => @truncate(u8, self.dispstat.raw), 0x0400_0004 => @truncate(u8, self.dispstat.raw),
0x0400_0006 => @truncate(u8, self.vcount.raw),
else => std.debug.panic("[I/O:8] tried to read from {X:}", .{addr}), else => std.debug.panic("[I/O:8] tried to read from {X:}", .{addr}),
}; };
} }