Fix for Gumball demo crash on 6502 (#440)

2025-01-30 13:33:18 +00:00 · 2021-11-21 16:50:00 -05:00 · 2021-11-21 16:50:00 -05:00 · 472c60c02c
commit 472c60c02c
parent 9f5fd1e382
2 changed files with 7 additions and 0 deletions
--- a/res/DEMO/GUMBALL
+++ b/res/DEMO/GUMBALL
--- a/src/demo/gumball.a
+++ b/src/demo/gumball.a
@ -37,6 +37,13 @@
         jmp   $B2F1      ; stage 1 (title screen and credits)

 callback1
+         lda   #$A5       ; restore original code so callback
+         sta   $B21E      ; won't be called more than once
+         lda   #$5F
+         sta   $B21F
+         lda   #$0A
+         sta   $B220
+
         lda   #$4C
         sta   $0DFB
         lda   #0