...

/* draw_string: draws an ASCII char at x/y loc in framebuffer using 5x13 font:
 *
 *  params:
 *  a3 - pointer to string
 *	d1 - x value
 *	d2 - y value
 */

draw_string:

draw_str_loop:
	movew	(%a3)+, %d0
	cmp		#0, %d0
	bne		dsproceed
	rts
dsproceed:
	movel	%d2, -(%sp)
	movel	%d1, -(%sp)
	movel	%d0, -(%sp)

	jsr	draw_char
	movel	(%sp)+, %d0
	movel	(%sp)+, %d1
	movel	(%sp)+, %d2
	add.l	#1, %d1
	jmp		draw_str_loop

	...
.