.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
.sect .text
.define and~
! $Header$

! size in r0
and~:
	mov	(sp)+,r3
	mov	sp,r1
	add	r0,r1
	asr	r0
1:	com	(sp)
	bic	(sp)+,(r1)+
	sob	r0,1b
	jmp	(r3)