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Assembly Program to Display a 10*10 solid box of Asterisk

January 24, 2020

This program will print a 10*10 solid box of Asterisk. There are two loops in the program first for rows and the second is for columns.

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.MODEL SMALL
.STACK 100H
.DATA
NEWLINE DB 0DH, 0AH, "$"
.CODE
MAIN PROC
    
    MOV AX, @DATA
    MOV DS, AX
    
    MOV CX, 10   
    
    LOOP1:
    
    MOV AH, 2
    
    MOV DL, "*"
    
    MOV BX, 10
    
    LOOP2:
    
    CMP BX, 0
    
    JE END_LOOP2
    
    INT 21H
    
    DEC BX
    
    JMP LOOP2
    
    END_LOOP2:
    
    MOV AH, 9
    
    LEA DX, NEWLINE
    
    INT 21H          
              
    LOOP LOOP1
    
    EXIT:   

MAIN ENDP

Output:


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