4cade/src/demo/short.circuit.a

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

!cpu 6502
!to "res/DEMO/SHORT.CIRCUIT",plain
*=$210

         !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   #16-1      ; we also need to copy the length byte
-        lda   newpath,x
         sta   $BFD0,x
         dex
         bpl   -

         lda   #$60
         sta   $207C
         jsr   $2000      ; decompress

         lda   #$4C
         sta   $A248
         lda   #0
         sta   $A248+1
         sta   $A7B4+1
         lda   #1
         sta   $A248+2    ; set exit on keypress
         sta   $A7B4+2    ; set exit at end of demo cycle

         lda   #$D0
         sta   $A654
         sta   $A665
         sta   $9494
         sta   $ABD9
         sta   $1F36
         sta   $1F3E
         sta   $9998      ; disable sound

         +DISABLE_ACCEL

         jmp   $A100

newpath
         !byte 15
         !text "X/SHORT.CIRCUIT"

title    !byte x_e-x_b
x_b      !text "X/SHORT.CIRCUIT/SHORT.CIRCUIT"
x_e

!if * > $300 {
  !error "code is too large, ends at ", *
}