/ error	= phys(segreg, size, physadr);

.globl	_phys, cerror

_phys:
	mov	r5,-(sp)
	mov	sp,r5
	mov	4(r5),0f
	mov	6(r5),0f+2
	mov	8(r5),0f+4
	sys	0; 9f
	bec	1f
	jmp	cerror
1:
	mov	(sp)+,r5
	rts	pc

.data
9:
	sys	phys; 0: ..; ..; ..