Page 144 of 346 Start Back Next End ZBasic System Library 132 ZBasic Microcontrollers GetDateValue Type Function returning UnsignedInteger Invocation GetDateValue() GetDateValue(dayNum) Parameter Method Type Description dayNum ByVal integral The day number to convert to year, month, day. Discussion This function decomposes a day number into the corresponding year, month and day components and packs them into a 16-bit value as shown in the table below. If the day number is omitted, the value of Register.RTCDay is used. Note that Register.RTCDay is initialized to zero on power-up or reset. This day number corresponds to January 1, 1999. Date Value Fields Bits Position Mask Description 15-9 &Hfe00 Year relative to 1999 (0 to 127) 8-5 &H01e0 Month (1 to 12) 4-0 &H001f Day (1 to 31) Compatibility This subroutine is not available if the RTC is not enabled in your application. Also, the second form of this subroutine is not available in BasicX compatibility mode. See Also GetDate, GetTime, GetTimeValue