4cade/src/demo/stellar.7.a

;license:MIT
;(c) 2022 by qkumba

!cpu 6502
!to "build/DEMO/STELLAR.7#060200",plain
*=$200

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

         +READ_RAM2_WRITE_RAM2
         jsr   EnableAccelerator
         +LOAD_FILE_KEEP_DIR stellar_7, stellar_7_dir_e-stellar_7_dir_b
         +READ_ROM_NO_WRITE

         lda   #$60
         sta   $863
         jsr   $800       ; unpack

         +TEST_TEXT_PAGE_2

         ldx   #0
         stx   $AE2A
         inx
         stx   $AE2C
         lda   #$A4
         sta   $AE28      ; reset vector patch

         lda   #<callback1
         sta   $AE71
         lda   #>callback1
         sta   $AE72

         +DISABLE_ACCEL
         jmp   $AE27

callback1
         jsr   $AF60
         lda   #<callback2
         sta   $A572
         lda   #>callback2
         sta   $A573
         ldx   #0
         stx   $A473
         stx   $A476
         stx   $A47A      ; start demo immediately
         lda   #$4C
         sta   $A484
         stx   $A485
         inx
         stx   $A486
         rts

callback2
         lda   #7
         sta   $8539
         lda   #$4C
         sta   $8541
         sta   $84C3
         ldx   #0
         stx   $8542
         stx   $84C4
         inx
         stx   $8543
         stx   $84C5
         jmp   $8400

stellar_7
         !byte stellar_7_e-stellar_7_b
stellar_7_b
stellar_7_dir_b
         !text "X/STEL.DIR"
stellar_7_dir_e
         !text "/STELLAR.7"
stellar_7_e