4cade/src/demo/brainteaserblvd.a

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

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

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

         +ENABLE_ACCEL
         +LOAD_XSINGLE title

         lda   #$60
         sta   $0813
         jsr   $0800      ; decompress
         lda   #$60
         sta   $363F
         jsr   $3600      ; memory move

         lda   #0
         sta   $0A01
         lda   #$2C
         sta   $0A05
         lda   #$A4
         sta   $0A09      ; reset vector patch

         lda   #$2C
         sta   $0C3E
         sta   $0C45
         sta   $0C48      ; skip inputs

         lda   #$4C
         sta   $15CC
         sta   $0ED2
         sta   $159A
         lda   #0
         sta   $15CC+1
         sta   $0ED2+1
         sta   $159A+1
         lda   #1
         sta   $15CC+2
         sta   $0ED2+2
         sta   $159A+2    ; set exits

         lda   #$D0
         sta   $170F
         sta   $0B61
         sta   $0B80
         sta   $0B9C
         sta   $0BBB
         sta   $1604
         sta   $1628
         sta   $1647
         sta   $0A95
         sta   $0AD4      ; disable sound

         +DISABLE_ACCEL

         jmp   $0A00

title    !byte x_e-x_b
x_b      !text "BB"
x_e

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