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请求大大帮我把这段程序加上注释~十分感谢~

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请求大大帮我把这段程序加上注释~十分感谢~
试编写一个程序,要求能从键盘接收一个个位数N 然后响铃N次(响铃的ASCII码为07H).这是原题.

DATA SEGMENT A DB 'PLEASE INPUT A NUMBER:','$'DATA ENDS
CODES SEGMENT ASSUME CS:CODES,DS:DATASTART: MOV AX,DATA MOV DS,AX LEA DX,A MOV AH,09H INT 21H MOV AH,01H INT 21H AND AX,01H MOV CX,AX BE:MOV DL,07H MOV AH,02H INT 21H LOOP BECODES ENDS END START
DATA SEGMENT
A DB 'PLEASE INPUT A NUMBER:','$'DATA ENDSCODES SEGMENT ASSUME CS:CODES,DS:DATASTART: MOV AX,DATA MOV DS,AX LEA DX,A MOV AH,09H INT 21H MOV AH,01H INT 21H AND AX,01H MOV CX,AX BE:MOV DL,07H MOV AH,02H INT 21H LOOP BECODES ENDS END START
请求大大帮我把这段程序加上注释~十分感谢~
DATA SEGMENT A DB 'PLEASE INPUT A NUMBER:','$'DATA ENDSCODES SEGMENT ASSUME CS:CODES,DS:DATASTART:MOV AX,DATA MOV DS,AX LEA DX,A MOV AH,09H INT 21H MOV AH,01H INT 21H AND AX,01H MOV CX,AXBE:MOV DL,07H MOV AH,02H INT 21H LOOP BECODES ENDS END START
再问: 额...能帮帮忙么.
再答: 可以