;license:MIT
;(c) 2019 by 4am

!cpu 6502
!to "build/PRELAUNCH/SERPENTINE",plain
*=$106

         !source "src/prelaunch/common.a"

         +GET_MACHINE_STATUS
         and   #CHEATS_ENABLED
         sta   cheat
         ldx   #$0E       ; copy patch code to zero page (stack will be destroyed by the time we need to patch)
-        lda   patch,x
         sta   $F1,x
         dex
         bpl   -
         lda   #$F1       ; call patch instead of $222
         sta   $8BE3
         lda   #$00
         sta   $8BE4
         jmp   $43F5      ; decompress and show title
patch
         jsr   $0100      ; decompress
cheat=*+1
         lda   #0         ; SMC
         beq   +
                          ; lives in $D8 (capped at 3)
         lda   #$A5
         sta   $868F      ; patch - don't decrease lives
+
         jmp   $0800