汇编源代码之硬盘保护锁
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NEXT:
MOV AX,0201H;读一扇区
MOV CX,0001H
MOV DX,0080H
MOV BX,0F000H
INT 13H
MOV AX,0201H
MOV CX,0001H
MOV DX,0080H
MOV BX,0E000H
INT 13H
MOV SI,0F1A0H
MOV DI,OFFSET D1
MOV CX,0003H
REPE CMPSW
JNZ INSTALL
JMP DEL
INSTALL:
MOV DX,OFFSET D2
MOV AH,09H
INT 21H
ENTER:
INT 16H
OR AL,20H
CMP AL,'y';是Y?
JE INSTALL1
CMP AL,'n'
JE EXIT
JMP ENTER
EXIT:
MOV AH,4CH
INT 21H
INSTALL1:
MOV AH,3DH
MOV DX,OFFSET D3
MOV AL,00H
INT 21H
JB AERROR
PUSH AX
MOV AH,3FH
MOV DX,0F000H
MOV CX,01BEH
POP BX
INT 21H
MOV AH,09H
MOV DX,OFFSET D10
INT 21H
MOV AH,00H
INT 16H
CALL NEAR PTR PWENTER
MOV SI,0F1B0H
MOV DI,0F3B0H
MOV CX,0004H
REPNZ MOVSW
MOV AH,06H
MOV AL,00H
MOV BH,07H
MOV CX,0000H
MOV DX,184FH
INT 10H
MOV DH,03H
MOV DL,00H
MOV BH,00H
MOV AH,02H
INT 10H
MOV AH,09H
MOV DX,OFFSET D11
INT 21H
MOV AH,00H
INT 16H
CALL NEAR PTR PWENTER
MOV SI,0F1B0H
MOV DI,0F3B0H
MOV CX,0008H
REPE CMPSB
JNZ EXIT4
JMP WRITE
AERROR:
MOV AH,09H
MOV DX,OFFSET D4
INT 21H
JMP EXIT
EXIT4:
MOV DH,03H
MOV DL,00H
MOV BH,00H
MOV AH,02H
INT 10H
MOV AH,06H
MOV AL,00H
MOV BH,07H
MOV CX,0000H
MOV DX,184FH
INT 10H
MOV AH,09H
MOV DX,OFFSET D12
INT 21H
MOV AH,4CH
INT 21H
WRITE:
MOV AX,0301H
MOV CX,0003H
MOV DX,0080H
MOV BX,0E000H
INT 13H
MOV BX,OFFSET D6
ADD BX,1B0H
MOV CX,4H
MOV SI,0F1B0H
MOV DI,BX
REPNZ MOVSW
MOV AX,0301H
MOV CX,0004H
MOV DX,0080H
MOV BX,OFFSET D6
INT 13H
MOV AX,0301H
MOV CX,0002H
MOV BX,0F000H
MOV DX,0080H
INT 13H
MOV AX,0301H
MOV CX,0001H
MOV BX,0F000H
MOV DX,0080H
INT 13H
MOV AH,06H
MOV AL,00H
MOV BH,07H
MOV CX,0000H
MOV DX,184FH
INT 10H
MOV DH,03H
MOV DL,00H
MOV BH,00H
MOV AH,02H
INT 10H
MOV AH,09H
MOV DX,OFFSET D13
INT 21H
JMP EXIT
DEL:
MOV DX,OFFSET D7
MOV AH,09H
INT 21H
ENTER2:
MOV AH,00H
INT 16H
OR AL,20H
CMP AL,'y'
JE UNLADE
CMP AL,'n'
JE EXIT1
JMP ENTER2
EXIT1:
MOV AH,4CH
INT 21H
UNLADE:
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