From a3c4a7689f692b51e509568c6c7e0060649b348e Mon Sep 17 00:00:00 2001
From: Sam M W <you@example.com>
Date: Tue, 18 Oct 2022 09:42:51 +0100
Subject: [PATCH] the program counter should wrap as well

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

diff --git a/src/cpu.rs b/src/cpu.rs
index bc54d94..08fa4ee 100644
--- a/src/cpu.rs
+++ b/src/cpu.rs
@@ -68,7 +68,7 @@ impl CPU {
                 let am_out = am.process(self, slice);
 
                 // Increment program counter
-                self.registers.program_counter = self.registers.program_counter + num_bytes;
+                self.registers.program_counter = self.registers.program_counter.wrapping_add(num_bytes);
 
                 Some((instr, am_out))
             }