From 9f5fd1e3821101ca40f2536e61fd88436898b4f5 Mon Sep 17 00:00:00 2001
From: 4am <a2_4am@sent.com>
Date: Sun, 21 Nov 2021 15:34:44 -0500
Subject: [PATCH] unconditional branch wasn't always taken because stepptr
 doesn't always return with Z=0

---
 src/okvs.a | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/okvs.a b/src/okvs.a
index 3f02c067d..fa446aa9c 100644
--- a/src/okvs.a
+++ b/src/okvs.a
@@ -395,8 +395,11 @@ okvs_next_field
          +ST16 PTR
 okvs_next_field_PTR_is_already_set
          jsr   stepptr
-         bne   incptr
-
+         jmp   incptr                ; do NOT change this to BNE
+                                     ; because if the low byte of PTR is 0
+                                     ; and the value of (PTR) is also 0
+                                     ; then stepptr will return with Z=1 and
+                                     ; we will fall through here unexpectedly
 incptr4  jsr   incptr2
 incptr2  jsr   incptr
 incptr