.model small
.data
seed dw 0

.code
org 100h  ; Set the program entry point to 100h

main:
    mov ax, 40h     ; Function to get system time
    int 21h         ; Call DOS interrupt
    mov bx, dx      ; Store the time in bx (a 16-bit register)

    mov ax, bx      ; Use bx as the seed
    imul ax, 25173  ; Multiply by a constant
    add ax, 13849  ; Add another constant
    xor dx, dx      ; Clear dx
    div word ptr [seed]  ; Divide by the seed (word_87CA in your original code)
    mov [seed], ax  ; Store the new seed

    ; Now, ax contains a pseudo-random number between 0 and 65535

    ; Your code here to use the random number as needed

    int 20h         ; Terminate the program

end main