paoda
/
zba
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-01-10 02:55:41 -04:00
parent 7c5d2d2389
commit 89a8fe403b
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/bus/io.zig
View File

@ -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}),
}; };
} }