From 9bb4f83010e9677cf8df9ec007a317559c0a474b Mon Sep 17 00:00:00 2001
From: Jeremy Rand <jeremy@rand-family.com>
Date: Wed, 5 Oct 2016 23:27:51 -0400
Subject: [PATCH] Save and restore the accumulator in the interrupt handler.

---
 mocktest/speech.s | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mocktest/speech.s b/mocktest/speech.s
index e2f7dc8..5f0ae85 100644
--- a/mocktest/speech.s
+++ b/mocktest/speech.s
@@ -85,6 +85,7 @@ _busy:          .byte   $00
 
 
 .proc _interr
+    PHA
     TXA             ;SAVE REGISTERS
     PHA
     TYA
@@ -120,7 +121,7 @@ _busy:          .byte   $00
     TAY
     PLA
     TAX
-    LDA $45
+    PLA
     RTI             ;RETURN FROM INTERRUPT
 
 @L1: