From 640b1f7c5d262a094795733be5c0dd892ec7a839 Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Sat, 30 Apr 2022 20:41:49 -0500
Subject: [PATCH] chore: pass destoer's cond_invalid test

---
 README.md   | 2 +-
 src/cpu.zig | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index b0e2d66..f7d53ed 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ An in-progress Gameboy Advance Emulator written in Zig ⚡!
     - [x] `midikey2freq`
     - [ ] `swi-tests-random`
 - [ ] [destoer's GBA Tests](https://github.com/destoer/gba_tests)
-    - [ ] `cond_invalid.gba`
+    - [x] `cond_invalid.gba`
     - [x] `dma_priority.gba`
     - [x] `hello_world.gba`
     - [x] `if_ack.gba`
diff --git a/src/cpu.zig b/src/cpu.zig
index 432c646..e75253d 100644
--- a/src/cpu.zig
+++ b/src/cpu.zig
@@ -459,7 +459,7 @@ pub fn checkCond(cpsr: PSR, cond: u4) bool {
         0xC => !cpsr.z.read() and (cpsr.n.read() == cpsr.v.read()), // GT - Greater than
         0xD => cpsr.z.read() or (cpsr.n.read() != cpsr.v.read()), // LE - Less than or equal
         0xE => true, // AL - Always
-        0xF => std.debug.panic("[CPU/Cond] 0xF is a reserved condition field", .{}),
+        0xF => false, // NV - Never (reserved in ARMv3 and up, but seems to have not changed?)
     };
 }