4cade/src/demo/star.blazer.a

;license:MIT
;(c) 2021-2022 by Frank M., qkumba

!cpu 6502
!to "build/DEMO/STAR.BLAZER#060300",plain
*=$300

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

         +ENABLE_ACCEL_LC
         +LOAD_XSINGLE title

         lda   #$60
         sta   $722A
         sta   $725D
         jsr   $4A58      ; decompress
         +DISABLE_ACCEL
         jsr   $4400
         +ENABLE_ACCEL
         jsr   $B4C6      ; decompress

         ldx   #3-1
-        lda   patch,x
         sta   $17DB,x
         sta   $1760,x
         sta   $17AD,x    ; set exits
         lda   patch2,x
         sta   $1705,x    ; decrement custom counter after demo cycle and eventually exit
         dex
         bpl   -

         +DISABLE_ACCEL
         jmp   ($20)

count    !byte $03
         dec   count
         bmi   patch
         jmp   $1750

patch    !byte $4C,$00,$01
patch2   !byte $4C,<(count + 1),>(count + 1)

title    +PSTRING "STAR.BLAZER"

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