Created
March 11, 2019 16:24
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Print the number in Assembly Language (printnum.asm)
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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 |
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