4cade/src/prelaunch/crossfire.a

;license:MIT
;(c) 2019 by 4am/Frank M.

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

         !source "src/prelaunch/common.a"

         +ENABLE_ACCEL
         lda   #$60
         sta   $6240
         jsr   $6230      ; phase 1
         lda   #$60
         sta   $85AE      ; phase 2
         jsr   $85A4
         +GET_MACHINE_STATUS
         and   #CHEATS_ENABLED
         beq   +
                          ; lives in $4C1F
         lda   #$00
         sta   $4786      ; patch - don't decrease lives
+
         lda   #1
         sta   $4D8F      ; reset vector patch
         +DISABLE_ACCEL
         jmp   $4000

!if * > $1C0 {
  !error "code is too large, ends at ", *
}