NAME
        Enable -- permit system interrupts to resume.

   SYNOPSIS
        Enable();

        void Enable(void);

   FUNCTION
        Allow system interrupts to again occur normally, after a matching
        disable() has been executed.

   RESULTS
        interrupt processing is restored to normal operation. the
        programmer must execute exactly one call to Enable() for every call
        to disable().

    NOTE
        This call is guaranteed to preserve all registers.

   SEE ALSO
        forbid(), permit(), disable()