data SEgMENt max DB 11,?,4 DUP() string DB‘ Hello world!’,’s data ENDs code sEgment ASSUME CS: code. ds: data start: MOV AX,data;置缓冲区地址于DS:DX MOV DS. AX LEA DX. max MOV AH,OAH;调用0AH输入功能 IT 21H LEA DX, string MOV AH,09H;调用09H显示功能 INT 21H MOV AH. 4cH NT 21H ;返回DOS code ends END Start4 data SEGMENT data ENDS code SEGMENT max DB 11，?，4 DUP(?) string DB ‘ Hello World! ’,’$’ ASSUME CS:code, DS:data start: MOV AX, data ; 置缓冲区地址于DS:DX MOV DS, AX LEA DX, max MOV AH, 0AH ; 调用0AH输入功能 INT 21H LEA DX, string MOV AH, 09H ; 调用09H显示功能 INT 21H MOV AH, 4CH INT 21H ；返回DOS code ENDS END start