Code:
.MODEL SMALL .STACK 100h .DATA CR EQU 13 LF EQU 10 Mess1 DB CR,LF, "Nhap 1 ki tu$" Mess2 DB CR,LF, "Ki tu giua$" Mess3 DB CR,LF, "Ki tu do la$" .CODE MOV AX,@DATA MOV DS, AX MOV AH, 9 LEA DX, Mess1 INT 21h MOV AH, 9 LEA DX, Mess2 INT 21h MOV AH, 9 LEA DX, Mess3 INT 21h MOV AH, 4Ch INT 21H END
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