4cade/src/demo/beer.run.a

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;license:MIT
;(c) 2021-2022 by Frank M., qkumba
!cpu 6502
!to "build/DEMO/BEER.RUN#060300",plain
*=$300
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
+LOAD_FILE_KEEP_DIR beer_run, beer_run_dir_e-beer_run_dir_b
lda #$60
sta $2065
jsr $2000 ; decompress1
lda #$60
sta $BB2C
jsr $BB00 ; decompress2
ldx #3-1
- lda patch,x
sta $419C,x
sta $6C62,x
sta $4085,x ; set exits
lda patch2,x
sta $4088,x ; decrement custom counter after demo cycle and eventually exit
dex
bpl -
lda #$D0
sta $67D1 ; disable sound
+DISABLE_ACCEL
jmp $4000
count !byte $03
dec count
bmi patch
jmp $40C8
patch !byte $4C,$00,$01
patch2 !byte $4C,<(count+1),>(count+1)
beer_run
!byte beer_run_e-beer_run_b
beer_run_b
beer_run_dir_b
!text "X/BEER.RUN"
beer_run_dir_e
!text "/BEER.RUN"
beer_run_e
!if * > $3F0 {
!error "code is too large, ends at ", *
}