AH = 2Ch - GET SYSTEM TIME
Return: CH = hour CL = minute DH = second DL = 1/100 seconds
Note: on most systems, the resolution of the system clock is about 5/100sec, so returned times generally do not increment by 1 on some systems, DL may always return 00h
MOV AH,2CH INT 21H
MOV AH,2CH INT 21H
Return: CH = hour CL = minute DH = second DL = 1/100 seconds