4cade/src/demo/ceiling.zero.a

;license:MIT
;(c) 2022 by qkumba

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

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

         +ENABLE_ACCEL_LC
         +LOAD_XSINGLE title
         lda   #$60
         sta   $083A
         jsr   $0800      ; decompress
         ldx   #3-1
-        lda   patch,x
         sta   $7D9C,x
         sta   $7DE8,x
         sta   $7DE3,x
         dex
         bpl   -

         sty   $7D98
         sty   $8118
         sty   $7DD8
         sty   $7E6A

         +DISABLE_ACCEL

         jmp   $5FED

patch    !byte $4C,$00,$01

title    !byte x_e-x_b
x_b      !text "CEILING.ZERO"
x_e

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