timeofda.def

DEFINITION MODULE TimeOfDay;

	(****************************************************************)
	(*								*)
	(*			Time-of-day Module			*)
	(*								*)
	(*  This module keeps a time-of-day record, to the nearest 16th	*)
	(*  of a second, by using the CMOS clock hardware.		*)
	(*								*)
	(*  Programmer:		P. Moylan				*)
	(*  Last edited:	3 July 1993				*)
	(*  Status:		OK					*)
	(*								*)
	(****************************************************************)

TYPE TimeRecord=RECORD
		    ticks,
		    seconds, minutes, hours,
		    dayofweek, dayofmonth,
		    month, year, century	: SHORTCARD
		END (*RECORD*);

(************************************************************************)

PROCEDURE ReadClock (VAR (*OUT*) result: TimeRecord);

    (* Returns the current time and date.	*)

PROCEDURE SetClock (VAR (*IN*) newtime: TimeRecord);

    (* Modifies the current time and date.	*)

PROCEDURE SetBinaryMode (NewMode: BOOLEAN);

    (* Makes the clock run in BCD if NewMode is FALSE, or in binary if	*)
    (* NewMode is TRUE.  If this requires a mode change, adjusts the	*)
    (* current date/time values held by the hardware.			*)

END TimeOfDay.