source: trunk/minix/lib/i86/em/em_cmi4.s@ 10

.define .cmi4

.text
.cmi4:
        pop     bx              ! return address
        pop     cx
        pop     dx
        pop     ax
        push    si
        mov     si,sp
        xchg    bx,2(si)
        pop     si
        cmp     bx,dx
        jg      1f
        jl      2f
        cmp     ax,cx
        ja      1f
        je      3f
2:
        mov     ax,#-1
        ret
3:
        xor     ax,ax
        ret
1:
        mov     ax,#1
        ret