4cade/src/prelaunch/berzap.a

;license:MIT
;(c) 2019 by qkumba

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

    !source "src/prelaunch/common.a"

         +ENABLE_ACCEL
         lda   #<cheat1
         sta   $871
         lda   #>cheat1
         sta   $872
         jmp   $800       ; decompress

cheat1
         lda   #$4c
         sta   $b20b
         lda   #<cheat2
         sta   $b20c
         lda   #>cheat2
         sta   $b20d
         jmp   $b000

cheat2
         +DISABLE_ACCEL
         lda   $b2cf
         cmp   #$2b
         bne   +
         +GET_MACHINE_STATUS
         and   #CHEATS_ENABLED
         beq   +
         lda   #$ad
         sta   $3d94      ; patch - don't decrease lives
         sta   $6573      ; patch - don't increase lives
         sta   $76ba      ; patch - don't increase lives
+
         jmp   ($b2ce)

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