4cade/src/prelaunch/black.magic.a

;license:MIT
;(c) 2019 by qkumba

!cpu 6502
!to "build/PRELAUNCH/BLACK.MAGIC",plain
*=$106

    !source "src/prelaunch/common.a"

         +ENABLE_ACCEL
         lda   #$60
         sta   $9C2
         jsr   $800       ; decompress

         lda   #$60
         sta   $1B2D
         sta   $D6E6
         jsr   DisableAccelerator
         jsr   $1B00
         jsr   EnableAccelerator
         jsr   $D000
         lda   #<callback
         sta   $8D5
         lda   #>callback
         sta   $8D6
         jsr   DisableAccelerator
         sta   $C05F
         jmp   $800

callback
         lda   #$4C
         sta   $D6EB
         jsr   EnableAccelerator
         sta   $C05F
         jsr   $D003
         ldx   #5
-        lda   reset, x
         sta   $4182, x
         dex
         bpl   -
         lda   #$20
         sta   $D6EB
         jsr   DisableAccelerator
         sta   $C05F
         jmp   $D6EE

reset
         +READ_ROM_NO_WRITE
         jmp   $FAA6
         
!if * > $1C0 {
  !error "code is too large, ends at ", *
}