/
/ PDP-11 C.
/ Standard Library.
/
/ Entry and exit operators.
/
 
	.globl	_save
	.globl	_ret
 
_save:
	mov	r5,(sp)
	mov	r4,-(sp)
	mov	r3,-(sp)
	mov	r2,-(sp)
	mov	sp,r5
	jsr	pc,(r0)		/tst -(sp)	jmp (r0)
 
_ret:
	mov	r5,sp
	mov	(sp)+,r2
	mov	(sp)+,r3
	mov	(sp)+,r4
	mov	(sp)+,r5
	return
