From 3aaebeaf3e49c29bd629905c01172a7dad10d3a2 Mon Sep 17 00:00:00 2001
From: Ry <ryanst755@gmail.com>
Date: Sat, 17 Sep 2022 14:51:18 -0700
Subject: [PATCH] Always allow exceptions to occur, regardless of interrupt
 flag state

---
 src/cpu.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cpu.rs b/src/cpu.rs
index 49fecff..ecb684b 100644
--- a/src/cpu.rs
+++ b/src/cpu.rs
@@ -211,7 +211,8 @@ impl Cpu {
     }
     pub fn interrupt(&mut self, interrupt: Interrupt) {
         if DEBUG { println!("interrupt(): enabled: {}", self.flag.interrupt); }
-        if self.flag.interrupt {
+        let is_exception = if let Interrupt::Exception(_) = interrupt { true } else { false };
+        if self.flag.interrupt || is_exception {
             match interrupt {
                 Interrupt::Request(vector) => {
                     self.handle_interrupt(vector as u16);