dac_c	.set	0ah
dac_v	.set	0bh
chnnl	.set	1
high	.set	2
low	.set	3

	cnfd
	ldpk	8
	lalk	0			;; set to channel 0
	sacl	chnnl
	out	chnnl,dac_c
	lalk	7ff0h			;; high value = 7ff
	sacl	high
	lalk	8000h			;; low value = 800
	sacl	low
nextw	rptk	255
	out	high,dac_v
	rptk	255
	out	low,dac_v
	b	nextw
	.end