Integer division rounds to 0, not negative infinity. -1 / 2 == 0, or -0 if you're lucky enough to have the hardware. For ones' complement and signed magnitude,

Integer division rounds to 0, not negative infinity. -1 / 2 == 0, or -0 if you're lucky enough to have the hardware. For ones' complement and signed magnitude, though, right shift of a negative number also rounds to 0, I think.