How to take the seed for a random generator from the clock, programming in assembler

AcquireSeed PROC

    PUSH AX
    PUSH CX
    PUSH DX

    MOV Ah, 00h	; Int
    INT 1AH		; return the clock in CX:DX

    MOV seed, DL ; save the less significant byte of the clock at seed (declared at .data)

    POP DX
    POP CX
    POP DX

AcquireSeed endp

db 0Fh, 31h