;license:MIT
;(c) 2021 by Frank M.

!cpu 6502
!to "res/DEMO/BK",plain
*=$A800

         !source "src/constants.a"   ; no code in these
         !source "src/macros.a"

         +READ_RAM2_WRITE_RAM2
         jsr   EnableAccelerator

;+LOAD_FILE_KEEP_DIR
         ldx   #0         ; read to main memory
         stx   ldrhi
         stx   ldrlo
         +LDADDR title
         jsr   iLoadFileDirect

         ldx   #5-1       ; we also need to copy the length byte
-        lda   newpath,x
         sta   $BFD0,x
         dex
         bpl   -

         lda   #$60
         sta   $52DB
         jsr   $527C      ; decompress 1

         lda   #$4C
         sta   $1B50
         lda   #0
         sta   $1B50+1
         lda   #1
         sta   $1B50+2    ; set exit

         lda   #$D0
         sta   $1D00
         sta   $1D09
         sta   $1BB6      ; disable sound

         +DISABLE_ACCEL

         jsr   $8d4       ; show title

         lda   #$60
         sta   $BD40
         jsr   $BD20      ; decompress 2

         lda   #$4C
         sta   $7215
         jsr   $7200      ; setup for second title

         +RESET_AND_IRQ_VECTOR $100

         lda   #$4C
         sta   $7513
         sta   $73BA
         sta   $7242
         lda   #0
         sta   $7513+1
         sta   $73BA+1
         sta   $7242+1
         lda   #1
         sta   $7513+2
         sta   $73BA+2
         sta   $7242+2    ; set exits

         jmp   $7218      ; show second title

newpath
         !byte 4
         !text "X/BK"

title    !byte x_e-x_b
x_b      !text "X/BK/BK"
x_e

!if * > $A900 {
  !error "code is too large, ends at ", *
}