;license:MIT
;(c) 2020 by qkumba

!cpu 6502
!to "build/PRELAUNCH/PIPE.DREAM",plain
*=$106

my_vbl   

    !source "src/prelaunch/common.a"

         +READ_RAM1_NO_WRITE
         lda   WaitForVBL+1
         sta   @copy_vbl+1
         lda   WaitForVBL+2
         sta   @copy_vbl+2
         ldy   #0

@copy_vbl
         lda   $d1d1,y    ; SMC
         sta   my_vbl,y
         iny
         cmp   #$60
         bne   @copy_vbl
         sta   $207E
         jsr   $2000
         jsr   $939
         lda   #$4C
         sta   $9D52
         lda   #<my_vbl
         sta   $9D53
         lda   #>my_vbl
         sta   $9D54
         jmp   $881

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