CSE3232-Microprocessor-And-Assembly-Language-Lab/NestedLoops_04.asm at master · NakulDeb/CSE3232-Microprocessor-And-Assembly-Language-Lab · GitHub

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;    *
;   **
;  ***
; ****
;*****

;k=0
;for(i=n;i>=1;i--){
;   k++;
;   for(j=n-1;j>0lj--){
;       print(' ');
;   }
;   for(;k>0;k--){
;       print(*);
;   }
;   print(\n)
;}

.MODEL SMALL
.STACK 100H
.DATA
N DW 5
D DW 1
K DW 0
MSG DB 'Enter how many line : $'

.CODE
MAIN PROC

    include 'emu8086.inc'

    MOV AX,@DATA
    MOV DS,AX

    LEA DX,MSG
    MOV AH,9
    INT 21H

    MOV AH,1
    INT 21H
    MOV DX,AX

    printn ''

    SUB DX,130H   ; N = N-130H  ---->>Becouse it is DW
    MOV N,DX
    MOV D,DX


    MOV BX,N
    MOV CX,1


    L1:
    MOV CX,BX
    INC K
    SUB CX,K
        CMP CX,0
        JE L4

        L2:
        print ' '
        LOOP L2

        L4:
        MOV CX,K
        L3:
        MOV AH,2
        MOV DL,'*'
        INT 21H
        LOOP L3


    DEC D
    CMP D,0
    JE EXIT
    printn ''
    LOOP L1


    EXIT:
    MOV AH,4CH
    INT 21H
    MAIN ENDP
END MAIN