mov     ax,cs
        cmp     ax,60h
        jnz     SkipJump
        xor     ax,ax
        mov     ds,ax
        mov     dx,[ds:04F0h]
        mov     es,[ds:04F2h]
        mov     bp,[ds:04F6h]
        mov     di,[ds:04F8h]
        mov     si,[ds:04FAh]
        mov     bx,[ds:04FCh]
        mov     cx,[ds:04FEh]
        mov     ds,[ds:04F4h]
        mov     al,70h
        push    ax
        mov     al,00h
        push    ax
        retf
SkipJump: