From cc8d62969fb6a2d8d13777ae62877220206790dd Mon Sep 17 00:00:00 2001
From: Wayne Warthen <wwarthen@gmail.com>
Date: Sun, 22 Mar 2020 09:03:15 -0700
Subject: [PATCH] Fix IM 0 Build Error in ACIA

---
 Source/HBIOS/acia.asm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Source/HBIOS/acia.asm b/Source/HBIOS/acia.asm
index 94402b1f..2e030a76 100644
--- a/Source/HBIOS/acia.asm
+++ b/Source/HBIOS/acia.asm
@@ -158,6 +158,17 @@ ACIA_INIT1:
 ;
 ; INTERRUPT HANDLERS
 ;
+#IF (INTMODE == 0)
+;
+; NO INTERRUPT HANDLERS UNDER INTMODE 0.  GENERATE A PANIC
+; IF SOMETHING TRIES TO CALL THEM.
+;
+ACIA0_INT:
+ACIA1_INT:
+	CALL	PANIC
+;
+#ENDIF
+;
 #IF (INTMODE > 0)
 ;
 ACIA0_INT: