Print the number in Assembly Language (printnum.asm)

printnum.asm

TITLE print the number

STACK SEGMENT STACK
    dw 64 dup(?)
STACK ENDS

DATA SEGMENT
    LINE db 3 dup(?),10,13,'$'
DATA ENDS

CODE SEGMENT
ASSUME CS:CODE, DS:DATA, SS:STACK

FIRST PROC
    mov ax,DATA
    mov ds,ax

    ; Print the A number
    mov ax,-23
    call PRINT

    mov ah,4ch
    int 21h
FIRST ENDP

PRINT PROC
    mov dl,10
    push ax

    ; Fill the line with space
    mov cx,3
    lea bx,LINE
    FILL:
        mov byte ptr [bx],' '
        inc bx
        loop FILL

    ; Check is negative
    cmp ax,0
    jge NEXT
    neg ax

    ; Convert Number to ASCII
    NEXT:
        cbw
        div dl
        dec bx
        add ah,'0'
        mov [bx],ah
        cmp al,0
        jne NEXT

    ; Check Is Negative
    pop ax
    cmp ax,0
    jge DISPLAY

    dec bx
    mov byte ptr [bx],'-'

    ; Print the number
    DISPLAY:
        mov ah,9
        lea dx,LINE
        int 21h

    ret
PRINT ENDP

CODE ENDS
END FIRST