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

!cpu 6502
!to "res/DEMO/NI",plain
*=$300

         !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   $404B
         jsr   $4000      ; decompress

         lda   #$4C
         sta   $8C24
         sta   $8C35
         sta   $1669
         lda   #0
         sta   $8C24+1
         sta   $8C35+1
         lda   #1
         sta   $8C24+2
         sta   $8C35+2    ; set exits

         lda   #<(count+1)
         sta   $1669+1
         lda   #>(count+1)
         sta   $1669+2    ; decrement custom counter after demo cycle and eventually exit

         +DISABLE_ACCEL

         jmp   $1206

count    !byte $03
         dec   count
         beq   +
         jmp   $128E
+        jmp   $100

newpath
         !byte 4
         !text "X/NI"

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

!if * > $3F0 {
  !error "code is too large, ends at ", *
}