8086 assembly language program to print all the ASCII characters on the screen 
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Murugan Andezuthu Dharmaratnam | 
15 February 2021 | 
6457
15 February 2021 | 6457
Here is a simple 8086 assembly language to print all the ASCII characters to the screen. The program will print the first character and then wait for the user to press any key before displaying this next character. You need to keep pressing any key on the keyboard till the last ASCII character is printed. I write this program to find the tree symbol which I wanted for this program.
Print Characters 0 to 255
.model tiny
.code
org 100h
main proc near
mov ax,00
mov cx,256d
mov bx,0
loop1:
mov ah,02h ; Outputs a character to the standard output device
mov dx,bx ; mov character number from cx to dx
int 21h ; dos interrupt 21h
mov ah,00h ; Wait program to read the character from the keyboard
int 16h ; keyboard interrupt
inc bx ; increment bx
loop loop1
mov ah,4ch ; dos funcion to terminate and return to dos
mov al,00
int 21h ; dos interrupt 21h
; add your code here
ret
endp
end main