.org $0300
offsety: .db 0
	.org $0320
offsetx: .db 0

	; . . .

	; få start-indeksene til spritene inn i offset ($0300)
offsetyl:
	ldx #0
	ldy #0

.loop	tya
	sta offsety,x
	iny
	iny
	iny
	iny
	inx
	cpx #32
	bne .loop

offsetxl:
	ldx #0
	ldy #$FF

.loop	tya
	sta offsetx,x
	dey
	dey
	dey
	dey
	inx 
	cpx #32
	bne .loop

	; . . .

.loop	tya
	pha
	lda offsety,y
	clc
	adc #1
	sta offsety,y
	tay
	lda sinetab,y
	clc
	adc #16
	sta $0200,x
	pla
	tay
	pha
	lda offsetx,y
	clc
	sbc #1
	sta offsetx,y
	tay
	lda sinetab,y
	clc
	adc #16
	sta $0203,x
	txa
	clc
	adc #4
	tax
	pla
	tay
	iny
	cpy #32
	bne .loop