A To Z (RIGHT)

.MODEL SMALL
.STACK 100H

.DATA
    VAR1 DB ?
    VAR2 DB ?
    VAR3 DB ?
    LINE DB 0DH,0AH,'$'

.CODE
   MAIN PROC
     MOV AX, @DATA
     MOV DS, AX

     MOV CX,6

     MOV VAR1,6
     MOV VAR2,1

     MOV BL,65

TOP1:
    MOV AH,2
    PUSH CX
    MOV CX,0
    MOV CL,VAR1

TOP2:
    MOV DL,' '
    INT 21H

    LOOP TOP2

    MOV CX,0
    MOV CL,VAR2
    ADD BL,VAR2
    MOV VAR3,BL

TOP3:
    DEC VAR3
    MOV DL,VAR3
    INT 21H

    LOOP TOP3

    DEC VAR1
    INC VAR2
    POP CX

    MOV AH,9
    LEA DX,LINE
    INT 21H

    LOOP TOP1

    MOV AH,4CH
    INT 21H

    MAIN ENDP
END MAIN