fix: impl workaround for stage2 miscompilation

2022-08-26 19:23:50 -05:00
parent d5acfb6eb0
commit 41f10c6c12
1 changed files with 2 additions and 1 deletions
--- a/src/core/cpu.zig
+++ b/src/core/cpu.zig
@@ -683,7 +683,8 @@ const Pipline = struct {
    pub fn step(self: *Self, cpu: *Arm7tdmi, comptime T: type) ?u32 {
        comptime std.debug.assert(T == u32 or T == u16);

-        const opcode = self.stage[0];
+        // FIXME: https://github.com/ziglang/zig/issues/12642
+        const opcode = self.stage[0..1][0];

        self.stage[0] = self.stage[1];
        self.stage[1] = cpu.bus.read(T, cpu.r[15]);