南邮汇编实验——汇编语言实现用户的登录，不回显密码

来源：互联网发布：mac双系统分区大小编辑：程序博客网时间：2024/04/27 19:07

用汇编语言实现用户的登录，不回显密码

代码：

.586DATA SEGMENT USE16STRWELCOME DB 'WELCOME,INPUT YOUR ID$'STRINPUTPASS DB 'Please input your password$'STRWID DB 'Your id is wrong$'STRWPASS DB 'Your password is wrong$'STRRIGHT DB 'Login successfully$'HC DB 0DH,0AH,'$'XXX DB '*$'IDIN DB 100 DB ? DB 100 DUP(?)PASSIN DB 100 DUP(?) DATA ENDSEXTRA SEGMENT USE16IDC DB 'GOOD'IDLENG EQU $-IDCPASSC DB 'GOOD123'PASSLENG EQU $-PASSCEXTRA ENDSCODE SEGMENT USE16  ASSUME CS:CODE,DS:DATA,ES:EXTRABEG:MOV AX,DATA MOV DS,AX MOV AX,EXTRA MOV ES,AX MOV AH,9 MOV DX,OFFSET STRWELCOME INT 21H CALL HUICHE MOV AH,0AH MOV DX,OFFSET IDIN INT 21H MOV CL,IDIN+1    ;TRY IDIN[1] MOV CH,0 CMP CX,IDLENG JNZ WID MOV SI,OFFSET IDIN+2 MOV DI,OFFSET IDC CLD     ;? REPE CMPSB JNZ WID CALL HUICHE MOV AH,9 MOV DX,OFFSET STRINPUTPASS INT 21H CALL HUICHE MOV SI,0 MOV BX,OFFSET PASSINNOC:MOV AH,8 INT 21H CMP AL,13 JZ STA MOV  [BX+SI],AL INC SI CALL XIN JMP NOC STA:MOV CX,SI CMP CX,PASSLENG JNZ WPA MOV SI,OFFSET PASSIN MOV DI,OFFSET PASSC CLD     ;? REPE CMPSB JNZ WPA CALL HUICHE MOV AH,9 MOV DX,OFFSET STRRIGHT INT 21H JMP EXIT WID:CALL HUICHE MOV AH,9 MOV DX,OFFSET STRWID INT 21H JMP EXITWPA:CALL HUICHE MOV AH,9 MOV DX,OFFSET STRWPASS INT 21H JMP EXIT EXIT:MOV AH,4CH INT 21H HUICHE PROC MOV AH,9 MOV DX,OFFSET HC INT 21H RETHUICHE ENDPXIN PROC  MOV AH,9 MOV DX,OFFSET XXX INT 21H RETXIN ENDPCODE ENDS END BEG

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