fix(cpu): remove miscompilation workaround

README.md

@@ -63,7 +63,7 @@ Finally it's worth noting that ZBA uses a TOML config file it'll store in your O
 
 ## Compiling
 
-Most recently built on Zig [v0.10.0](https://github.com/ziglang/zig/tree/0.10.0)
+Most recently built on Zig [v0.11.0-dev.144+892fb0fc8](https://github.com/ziglang/zig/tree/892fb0fc8)
 
 ### Dependencies
 

src/core/cpu.zig

@@ -652,9 +652,7 @@ const Pipeline = struct {
     pub fn step(self: *Self, cpu: *Arm7tdmi, comptime T: type) ?u32 {
         comptime std.debug.assert(T == u32 or T == u16);
 
-        // FIXME: https://github.com/ziglang/zig/issues/12642
-        var opcode = self.stage[0];
-
+        const opcode = self.stage[0];
         self.stage[0] = self.stage[1];
         self.stage[1] = cpu.fetch(T, cpu.r[15]);