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chore(io): rewrite certain error messages

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We can do this now that we know that it won't be because of any
unimplemented feature in some circumstances
This commit is contained in:
Rekai Nyangadzayi Musuka
2022-10-29 02:37:33 -03:00
parent c831f67d1a
commit 647bd83224
4 changed files with 31 additions and 25 deletions
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28
src/core/ppu.zig
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@@ -36,7 +36,7 @@ pub fn read(comptime T: type, ppu: *const Ppu, addr: u32) ?T {
0x4C => null, // MOSAIC, undefined in high byte
0x50 => @as(T, ppu.bldalpha.raw) << 16 | ppu.bldcnt.raw,
0x54 => null, // BLDY, undefined in high half-wrd
else => util.io.read.undef(T, log, "Tried to perform a {} read to 0x{X:0>8}", .{ T, addr }),
else => util.io.read.err(T, log, "unaligned {} read from 0x{X:0>8}", .{ T, addr }),
},
u16 => switch (byte) {
0x00 => ppu.dispcnt.raw,
@@ -56,27 +56,27 @@ pub fn read(comptime T: type, ppu: *const Ppu, addr: u32) ?T {
0x50 => ppu.bldcnt.raw,
0x52 => ppu.bldalpha.raw,
0x54 => null, // BLDY
else => util.io.read.undef(T, log, "Tried to perform a {} read to 0x{X:0>8}", .{ T, addr }),
else => util.io.read.err(T, log, "unaligned {} read from 0x{X:0>8}", .{ T, addr }),
},
u8 => switch (byte) {
0x00...0x01 => @truncate(T, ppu.dispcnt.raw >> shift(byte)),
0x00, 0x01 => @truncate(T, ppu.dispcnt.raw >> shift(byte)),
0x02...0x03 => null,
0x04...0x05 => @truncate(T, ppu.dispstat.raw >> shift(byte)),
0x06...0x07 => @truncate(T, ppu.vcount.raw >> shift(byte)),
0x08...0x09 => @truncate(T, ppu.bg[0].cnt.raw >> shift(byte)),
0x0A...0x0B => @truncate(T, ppu.bg[1].cnt.raw >> shift(byte)),
0x0C...0x0D => @truncate(T, ppu.bg[2].cnt.raw >> shift(byte)),
0x0E...0x0F => @truncate(T, ppu.bg[3].cnt.raw >> shift(byte)),
0x04, 0x05 => @truncate(T, ppu.dispstat.raw >> shift(byte)),
0x06, 0x07 => @truncate(T, ppu.vcount.raw >> shift(byte)),
0x08, 0x09 => @truncate(T, ppu.bg[0].cnt.raw >> shift(byte)),
0x0A, 0x0B => @truncate(T, ppu.bg[1].cnt.raw >> shift(byte)),
0x0C, 0x0D => @truncate(T, ppu.bg[2].cnt.raw >> shift(byte)),
0x0E, 0x0F => @truncate(T, ppu.bg[3].cnt.raw >> shift(byte)),
0x10...0x1F => null, // BGXHOFS/VOFS
0x20...0x3F => null, // BG2/3 Rot Scaling Registers
0x40...0x47 => null, // WINXH/V Registers
0x48...0x49 => @truncate(T, ppu.win.in.raw >> shift(byte)),
0x4A...0x4B => @truncate(T, ppu.win.out.raw >> shift(byte)),
0x48, 0x49 => @truncate(T, ppu.win.in.raw >> shift(byte)),
0x4A, 0x4B => @truncate(T, ppu.win.out.raw >> shift(byte)),
0x4C...0x4D => null, // MOSAIC
0x50...0x51 => @truncate(T, ppu.bldcnt.raw >> shift(byte)),
0x52...0x53 => @truncate(T, ppu.bldalpha.raw >> shift(byte)),
0x50, 0x51 => @truncate(T, ppu.bldcnt.raw >> shift(byte)),
0x52, 0x53 => @truncate(T, ppu.bldalpha.raw >> shift(byte)),
0x54...0x55 => null, // BLDY
else => util.io.read.undef(T, log, "Tried to perform a {} read to 0x{X:0>8}", .{ T, addr }),
else => util.io.read.err(T, log, "unaligned {} read from 0x{X:0>8}", .{ T, addr }),
},
else => @compileError("PPU: Unsupported read width"),
};