mov ah, 2Ch ;Get Time
int 21h
mov Hour, ch ;hour (0 through 23)
mov Minutes, cl ;minutes (0 through 59)
mov Seconds, dh ;seconds (0 through 59)
mov Hundredths, dl ;hundredths of a second (0 through 99)
Get Time (Function 2Ch) returns the MS-DOS system time (the time maintained by the clock device).
This function has no parameters.
The CX and DX registers contain the following information:
Register | Contents |
CH | Hour in 24-hour format (13 = 1 P.M., 14 = 2 P.M., and so on) |
CL | Minutes (0 through 59) |
DH | Seconds (0 through 59) |
DL | Hundredths of a second (0 through 99) |
Function 2Ah Get Date
Function 2Bh Set Date
Function 2Dh Set Time