From 84bebe9088d5f3ae071552a153ab7264d3fd4d9a Mon Sep 17 00:00:00 2001
From: Bobbi Webber-Manners <bobbi.manners@gmail.com>
Date: Fri, 16 Sep 2022 23:36:48 -0400
Subject: [PATCH] Recover A before calling SCR1SOFT.

---
 auxmem.vdu.s | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/auxmem.vdu.s b/auxmem.vdu.s
index e8a9768..dae70bd 100644
--- a/auxmem.vdu.s
+++ b/auxmem.vdu.s
@@ -738,6 +738,7 @@ SCR1LINE      PHA
               DEX
               BPL   :L0
               PLA
+              PHA
               INC   A
               JSR   CHARADDRY              ; VDUADDR=>line A+1
               INC   TXTWINRGT
@@ -783,6 +784,7 @@ SCR1LINE      PHA
               BMI   :L2
 SCR1LNDONE    DEC   TXTWINRGT
               BIT   VDUSCREEN
+              PLA
               BMI   SCR1SOFT               ; Scroll graphics screen
               RTS
 SCR1LINEGS    LDX   TXTWINLFT