MEM 0040h:006Ch - TIMER TICKS SINCE MIDNIGHT                                    
Size:	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.
Desc:	updated approximately every 55 milliseconds by the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. INT 08 handler
SeeAlso: MEM 0040h:0070h,INT 08"IRQ0",INT 1A/AH=00h