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An Assembly Language Program that prompt the user read first middle and last initials of a persons name display them down the left margin .
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.MODEL SMALL .STACK 100H .DATA MSG_1 EQU 'Enter three initials : $' MSG_2 EQU 0DH,0AH,'The initials are :',0DH,0AH,'$' MSG_3 EQU 0DH,0AH,'$' PROMPT_1 DB MSG_1 PROMPT_2 DB MSG_2 NEWLINE DB MSG_3 .CODE MAIN PROC MOV AX, @DATA ; initialize DS MOV DS, AX LEA DX, PROMPT_1 ; load and display PROMPT_1 MOV AH, 9 INT 21H MOV AH, 1 ; read first initial INT 21H MOV BL, AL ; save the first initial into BL MOV AH, 1 ; read second initial INT 21H MOV BH, AL ; save the second initial into BH MOV AH, 1 ; read third initial INT 21H MOV CL, AL ; save the third initial into CL LEA DX, PROMPT_2 ; load and display PROMPT_2 MOV AH, 9 INT 21H MOV AH, 2 ; display the first initial MOV DL, BL INT 21H LEA DX, NEWLINE ; display new line MOV AH, 9 INT 21H MOV AH, 2 ; display the second initial MOV DL, BH INT 21H LEA DX, NEWLINE ; display new line MOV AH, 9 INT 21H MOV AH, 2 ; display the third initial MOV DL, CL INT 21H MOV AH, 4CH ; return control to DOS INT 21H MAIN ENDP END MAIN |