中秋到了，给初学者送上一块月饼，“瑞星世纪版密钥盘制作源程序“。 (1千字)
STACK SEGMENT PARA STACK 'STACK'DW 128 DUP(?)
STACK ENDS
DATA SEGMENT PARA PUBLIC 'DATA'
PARA1 DB 4FH,00,01,02
DB 4FH,00,02,02
DB 4FH,01,03,02
DB 4FH,00,0A7H,02
DB 4eH,01,0D1H,02
DB 4FH,01,0BCH,02
DB 4FH,00,0EH,02
DB 04H,01,08,02
DB 4FH,01,67h,02
DISP1 DB 'Failure!',0ah,0dh,24h
DISP2 DB 'Success!',0ah,0dh,24h
DISP3 DB 'RAV 99 Century Cracked,Only use by yourself!',0AH,0DH,24H
DISP4 DB 'Cracked by Zhuxiaohua 1999.08.25',0AH,0DH,24H
DATA ENDS
CODE SEGMENT PARA PUBLIC 'CODE'
ASSUME CS:CODE,DS:DATA,SS:STACK
MAIN PROC FAR
PUSH DS
XOR AX,AX
PUSH AX
MOV AX,DATA
MOV DS,AX
MOV ES,AX
LEA DX,DISP3
MOV AH,09H
INT 21H
LEA DX,DISP4
INT 21H
PUSH ES
MOV AH,35H
MOV AL,1EH
INT 21H
MOV AL,00
MOV ES:[BX+3],AL
MOV AL,09
MOV ES:[BX+4],AL
MOV AL,6CH
MOV ES:[BX+7],AL
POP ES
MOV CX,05
REP1:PUSH CX
MOV DX,0100h
MOV CH,4FH
LEA BX,PARA1
MOV AH,05
INT 13H
JNB EXIT
POP CX
DEC CX
JZ FAIL
JMP REP1
FAIL:LEA DX,DISP1
MOV AH,09H
INT 21H
JMP EXIT1
EXIT:POP CX
LEA DX,DISP2
MOV AH,09H
INT 21H
JMP EXIT1
EXIT1:PUSH ES
MOV AH,35H
MOV AL,1EH
INT 21H
MOV AL,02H
MOV ES:[BX+3],AL
MOV AL,12H
MOV ES:[BX+4],AL
MOV AL,54H
MOV ES:[BX+7],AL
POP ES
RET
MAIN ENDP
CODE ENDS
END MAIN
