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Copy pathdemoscene.asm
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demoscene.asm
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start:
ldx #0
c:lda bottombar,x
cmp #$ff
beq init
sta $4e0,x
sta $5e0,x
inx
jmp c
init:
jsr initDraw
lda #0
sta $10 ; scrptr
sta $11 ; txtptr
loop:
jsr drawMain
jsr putfont
jsr scrollarea
jmp loop
scrollarea:
ldx #0
g:lda $521,x
sta $520,x
lda $541,x
sta $540,x
lda $561,x
sta $560,x
lda $581,x
sta $580,x
lda $5a1,x
sta $5a0,x
inx
cpx #31
bne g
rts
putfont:
lda $10 ; scrptr
cmp #0
bne noNext
inc $11
ldx $11
lda scrolltext,x
tax
lda fontSize,x
sta $10
noNext:
dec $10
ldx $11
lda scrolltext,x
cmp #$ff
bne notResetText
lda #0
sta $10
sta $11
rts
notResetText:
asl
tax
lda fontlookup,x
sta $2
inx
lda fontlookup,x
sta $3
lda #<fonts
clc
adc $2
sta $0
lda #>fonts
adc $3
sta $1
ldy $10
lda ($00),y
sta $53f
tya
clc
adc #6
tay
lda ($00),y
sta $55f
tya
clc
adc #6
tay
lda ($00),y
sta $57f
tya
clc
adc #6
tay
lda ($00),y
sta $59f
tya
clc
adc #6
tay
lda ($00),y
sta $5bf
rts
initDraw:
lda #<picture
sta $20
lda #>picture
sta $21
lda #$00
sta $22
lda #$02
sta $23
ldx #$0
rts
drawMain:
ldx #0
lda ($20,x)
cmp #$ff
beq done
sta ($22,x)
inc $20
lda $20
cmp #$00
bne n1
inc $21
n1:
inc $22
lda $22
cmp #$00
bne done
lda $23
cmp #$05
beq done
inc $23
done:
rts
picture:
dcb 0,0,0,0,0,0,0,0,0,$b,$b,$c,$f,$f,$f,$f
dcb $f,$b,0,0,0,$b,$b,$c,$c,$f,$f,$b,0,0,0,0
dcb 0,0,0,0,0,0,0,0,0,$b,$c,$c,$f,$c,$f,$f
dcb $b,$b,$b,$b,$b,0,$b,$b,$c,$f,$f,$c,0,0,0,0
dcb 0,0,0,0,0,0,0,$b,0,$c,$b,$f,$c,$f,$f,$c
dcb $c,$b,0,$b,$c,$c,$c,$f,$f,1,$f,$c,$b,0,0,0
dcb 0,0,0,0,0,0,0,0,$b,$b,$c,$c,$c,$f,$f,$f
dcb $c,$c,$c,$c,$c,$c,$f,$c,$f,$f,$f,$f,$b,0,0,0
dcb 0,0,0,0,0,0,0,$b,0,0,$b,$c,$c,$f,$f,$f
dcb $f,$c,$f,$f,$f,$f,$f,$f,$f,1,$f,$f,$c,0,0,0
dcb 0,0,0,0,0,0,0,0,0,$b,$b,$b,$c,$f,$f,1
dcb $f,$f,$c,$f,$f,$f,1,$f,$f,$f,$f,$f,$f,0,0,0
dcb 0,0,0,0,0,0,0,0,0,$b,$b,$b,$b,$c,$f,1
dcb $f,$f,$f,$f,$f,$f,$f,$f,1,$f,$f,$f,$f,$b,0,0
dcb 0,0,0,0,0,0,0,0,$b,0,$b,$c,$b,$c,$c,1
dcb 1,$f,1,$f,1,$f,1,$f,$f,1,$f,$f,1,$b,0,0
dcb 0,0,0,0,0,0,0,$b,$b,$b,$c,$c,$b,$c,$f,1
dcb 1,1,$f,$f,1,$f,$f,1,$f,$f,$f,$f,1,$c,0,0
dcb 0,0,0,0,0,0,0,$b,$b,$c,$c,$c,$b,$c,$c,$f
dcb 1,1,1,$f,$f,1,$f,1,$f,1,$f,$f,1,$c,0,0
dcb 0,0,0,0,0,$b,$b,$b,$c,$c,$c,$f,$c,$c,$f,$f
dcb 1,1,1,1,$f,$f,$f,1,$f,1,$f,$f,$f,$f,0,0
dcb 0,0,0,0,0,0,$b,$c,$c,$c,$f,$c,$f,$c,$f,$f
dcb 1,1,1,1,1,$f,$f,1,$f,$f,$f,$f,1,$f,$b,0
dcb 0,0,0,0,$b,$b,$b,$c,$c,$f,$c,$f,$f,$c,$f,$f
dcb 1,1,1,1,1,$f,$f,$f,1,$f,$f,$f,1,$c,$b,$b
dcb 0,0,0,0,$b,$b,$c,$f,$c,$f,$f,$f,$f,$f,$c,$f
dcb 1,1,1,1,1,$f,$f,$f,1,$f,$f,$f,$f,$f,$b,$b
dcb 0,0,0,0,$b,$c,$c,$c,$f,$f,$f,$f,$f,$f,$f,$f
dcb $f,1,1,1,$f,$b,$f,$f,$f,1,$f,$f,$f,$f,$b,$b
dcb 0,0,0,0,$b,$c,$c,$f,$c,$f,$f,$f,$f,$f,$f,$f
dcb $f,$f,$f,$c,$b,$f,$f,1,$f,$f,$f,$f,$f,$f,$c,$b
dcb 0,0,0,0,$b,$b,$c,$c,$f,$c,$f,$f,$f,$f,$f,$f
dcb $c,$c,$b,$c,$c,$f,$f,1,$c,$c,$f,$f,$f,$f,$c,$b
dcb 0,0,0,0,$b,$b,$c,$c,$c,$f,$f,$f,$f,$f,$f,$f
dcb $f,$f,$f,$f,$f,1,$f,$c,$b,$f,$c,$f,$c,$f,$c,$b
dcb 0,0,0,0,0,$b,$c,$c,$c,$c,$f,$f,$f,$f,$f,$f
dcb $f,$f,$f,$f,$f,$c,$b,$c,$c,$c,$f,$f,$c,$f,$c,$c
dcb 0,0,0,0,0,$b,$b,$c,$c,$c,$c,$c,$f,$f,$f,$f
dcb $f,$f,$f,$c,$b,$b,$c,$c,$c,$f,$c,$f,$f,$f,$c,$b
dcb 0,0,0,0,0,$b,$b,$b,$b,$c,$c,$f,$c,$f,$f,$f
dcb $c,$c,$b,$b,$b,$c,$b,$b,$c,$c,$f,$c,$c,$f,$c,$c
dcb 0,0,0,0,0,0,$b,$b,$c,$b,$c,$c,$c,$c,$c,$c
dcb $b,$b,$b,$b,$c,$b,$b,$c,$c,$f,$f,$f,$c,$c,$c,$b
dcb 0,0,0,0,0,0,0,0,$b,$b,$b,$c,$c,$c,$c,$c
dcb $c,$c,$b,$b,$b,$b,$c,$c,$f,$f,$f,$c,$c,$c,$c,$c
dcb $ff
fontSize:
dcb 5,5,5,5,5,5,5,5 ;abcdefgh
dcb 2,5,5,5,6,6,5,5 ;ijklmnop
dcb 6,5,5,4,5,6,6,6 ;qrstuvwx
dcb 6,5,2,3 ;yz.[SPACE]
;
; a=0, b=1, c=2, d=3....
;
scrolltext:
dcb 0
dcb 14,13,11,24,27 ; "only "
dcb 03,04,15,19,07,27 ; "depth "
dcb 12,0,10,4,18,27 ; "makes "
dcb 8,19,27 ; "it "
dcb 15,14,18,18,8,1,11,4 ; "possible"
dcb 26,26,26 ; "..."
dcb 19,7,8,18,27 ; "this "
dcb 8,18,27 ; "is "
dcb 19,7,4,27 ; "the "
dcb 5,8,17,18,19,27 ; "first "
dcb 3,4,12,14,27 ; "demo "
dcb 12,0,3,4,27 ; "made "
dcb 8,13,27 ; "in "
dcb 19,7,8,18,27 ; "this "
dcb 4,13,21,26,26,26,26,27 ; "env.... "
dcb 7,14,15,4,27 ; "hope "
dcb 24,14,20,27 ; "you "
dcb 11,8,10,4,27 ; "like "
dcb 8,19,26,26,26,27,27 ; "it... "
dcb 22,22,22,26 ; "www."
dcb 3,4,15,19,7,26 ; "depth."
dcb 14,17,6,27,27,27,27,27 ; "org "
dcb $ff ; end of text
fontlookup:
dcb $00,$00 ;a
dcb $20,$00 ;b
dcb $40,$00 ;c
dcb $60,$00 ;d
dcb $80,$00 ;e
dcb $a0,$00 ;f
dcb $c0,$00 ;g
dcb $e0,$00 ;h
dcb $00,$01 ;i
dcb $20,$01 ;j
dcb $40,$01 ;k
dcb $60,$01 ;l
dcb $80,$01 ;m
dcb $a0,$01 ;n
dcb $c0,$01 ;o
dcb $e0,$01 ;p
dcb $00,$02 ;q
dcb $20,$02 ;r
dcb $40,$02 ;s
dcb $60,$02 ;t
dcb $80,$02 ;u
dcb $a0,$02 ;v
dcb $c0,$02 ;w
dcb $e0,$02 ;x
dcb $00,$03 ;y
dcb $20,$03 ;z
dcb $40,$03 ;.
dcb $60,$03 ;" "
fonts:
dcb 0,1,1,0,0,0
dcb 1,0,0,1,0,0
dcb 1,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,0
dcb 0,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 0,0
dcb 0,1,1,0,0,0
dcb 1,0,0,1,0,0
dcb 0,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,0,0,0
dcb 0,0
dcb 0,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 0,0
dcb 1,1,1,1,0,0
dcb 0,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 0,0,0,1,0,0
dcb 1,1,1,1,0,0
dcb 0,0
dcb 1,1,1,1,0,0
dcb 0,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 0,0,0,1,0,0
dcb 0,0,0,1,0,0
dcb 0,0
dcb 1,1,1,0,0,0
dcb 0,0,0,1,0,0
dcb 1,1,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,1,1,0,0,0
dcb 0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,0,0,0
dcb 0,0
dcb 1,0,0,1,0,0
dcb 0,1,0,1,0,0
dcb 0,0,1,1,0,0
dcb 0,1,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,0
dcb 0,0,0,1,0,0
dcb 0,0,0,1,0,0
dcb 0,0,0,1,0,0
dcb 0,0,0,1,0,0
dcb 1,1,1,1,0,0
dcb 0,0
dcb 1,0,0,0,1,0
dcb 1,1,0,1,1,0
dcb 1,0,1,0,1,0
dcb 1,0,0,0,1,0
dcb 1,0,0,0,1,0
dcb 0,0
dcb 1,0,0,0,1,0
dcb 1,0,0,1,1,0
dcb 1,0,1,0,1,0
dcb 1,1,0,0,1,0
dcb 1,0,0,0,1,0
dcb 0,0
dcb 0,1,1,0,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,0,0,0
dcb 0,0
dcb 0,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 0,0,0,1,0,0
dcb 0,0,0,1,0,0
dcb 0,0
dcb 0,1,1,0,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,0,1,0,0
dcb 1,0,1,0,0,0
dcb 0,0
dcb 0,1,1,1,0,0
dcb 1,0,0,1,0,0
dcb 0,1,1,1,0,0
dcb 0,1,0,1,0,0
dcb 1,0,0,1,0,0
dcb 0,0
dcb 1,1,1,0,0,0
dcb 0,0,0,1,0,0
dcb 0,1,1,0,0,0
dcb 1,0,0,0,0,0
dcb 0,1,1,1,0,0
dcb 0,0
dcb 1,1,1,0,0,0
dcb 0,1,0,0,0,0
dcb 0,1,0,0,0,0
dcb 0,1,0,0,0,0
dcb 0,1,0,0,0,0
dcb 0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,0,0,1,0,0
dcb 1,1,1,0,0,0
dcb 0,0
dcb 1,0,0,0,1,0
dcb 1,0,0,0,1,0
dcb 1,0,0,0,1,0
dcb 0,1,0,1,0,0
dcb 0,0,1,0,0,0
dcb 0,0
dcb 1,0,0,0,1,0
dcb 1,0,0,0,1,0
dcb 1,0,1,0,1,0
dcb 1,1,0,1,1,0
dcb 1,0,0,0,1,0
dcb 0,0
dcb 1,0,0,0,1,0
dcb 0,1,0,1,0,0
dcb 0,0,1,0,0,0
dcb 0,1,0,1,0,0
dcb 1,0,0,0,1,0
dcb 0,0
dcb 1,0,0,0,1,0
dcb 0,1,0,1,0,0
dcb 0,0,1,0,0,0
dcb 0,0,1,0,0,0
dcb 0,0,1,0,0,0
dcb 0,0
dcb 1,1,1,1,0,0 ; z
dcb 1,0,0,0,0,0
dcb 0,1,1,0,0,0
dcb 0,0,0,1,0,0
dcb 1,1,1,1,0,0
dcb 0,0
dcb 0,0,0,0,0,0 ; .
dcb 0,0,0,0,0,0
dcb 0,0,0,0,0,0
dcb 0,0,0,0,0,0
dcb 1,0,0,0,0,0
dcb 0,0
dcb 0,0,0,0,0,0 ; " "
dcb 0,0,0,0,0,0
dcb 0,0,0,0,0,0
dcb 0,0,0,0,0,0
dcb 0,0,0,0,0,0
dcb 0,0
bottombar:
dcb $b,$9,$b,9,8,9,8,$a,8,$a,7,$a,7,1,7,1,1
dcb 7,1,7,$a,7,$a,8,$a,8,9,8,9,$b,9,$b
dcb $ff