Pitstop II: reset to reboot

2024-12-22 09:30:04 +00:00 · 2019-12-23 23:03:31 -05:00 · 2019-12-23 23:03:31 -05:00 · 77cb37355c
commit 77cb37355c
parent 2f3c6c7f9d
1 changed files with 21 additions and 0 deletions
--- a/src/prelaunch/pitstop.ii.a
+++ b/src/prelaunch/pitstop.ii.a
@ -0,0 +1,21 @@
+;license:MIT
+;(c) 2019 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH/PITSTOP.II",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         lda   #$60
+         sta   $4055
+         jsr   $4000      ; decompress
+         +LC_REBOOT
+         lda   #$2c
+         sta   $b12
+         sta   $b17       ; don't let game change reset vector
+         jmp   $a00
+
+!if * > $1C0 {
+  !error "code is too large, ends at ", *
+}