4cade/src/prelaunch/gremlins.a

;license:MIT
;(c) 2019, 2022 by 4am, qkumba

!cpu 6502
!to "build/PRELAUNCH.INDEXED/GREMLINS",plain
*=$106

         !source "src/macros.a"

         +ENABLE_ACCEL
         lda   #$4C
         sta   $0839
         sta   $0863
         jsr   $0800      ; decompress
         +DISABLE_ACCEL
         jsr   $211       ; music
         jsr   $83C       ; check key
         +GET_MACHINE_STATUS
         and   #CHEATS_ENABLED
         beq   +
                          ; lives in $76 and $084A,X (0/1 for player 1/2)
         lda   #$A5
         sta   $54B2      ; patch - don't decrease lives
         sta   $5165      ; patch - don't increase lives
         lda   #$BD
         sta   $54B6      ; patch - don't decrease lives
         sta   $5162      ; patch - don't increase lives
+
         jmp   $4000

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