Dim I As Integer
Dim nRet As Integer
Dim readdata As String * 32
Dim strTempVal As String
Dim strTempAdr1 As String
Dim strTempAdr2 As String
Dim nValue As Long
Const Ka = 0
Const Kb = 4
Private Sub cmdMenu_Click(Index As Integer)
    If Trim(txtSectorNo.Text) = "" Then
        MsgBox "扇區號不能為空!"
        Exit Sub
    End If
    nRet = OpenComm(comPort.ListIndex)
    If (nRet <> 0) Then
        Beep
        InfoState.Panels(1).Text = "無法打開串口!"
        Exit Sub
    End If
    Select Case Index
            Case 0
            If optPasswordA.value = True Then
                If Trim(txtPasswordA.Text) = "" Then
                    MsgBox "密碼A不能為空!"
                    Exit Sub
                End If
            End If
            If optPassWordB.value = True Then
                If Trim(txtPasswordB.Text) = "" Then
                    MsgBox "密碼B不能為空!"
                    Exit Sub
                End If
            End If
            InfoState.Panels(1).Text = "裝載密碼..."
            Dim transportkey(1 To 16, 1 To 2) As String * 12
            transportkey(1, 1) = "bdde6f378383"
            transportkey(2, 1) = "148ac5e22828"
            transportkey(3, 1) = "7d3e9f4f9595"
            transportkey(4, 1) = "add66b35c8c8"
            transportkey(5, 1) = "dfef77bbe4e4"
            transportkey(6, 1) = "09844221bcbc"
            transportkey(7, 1) = "5fafd7eba5a5"
            transportkey(8, 1) = "29148ac59f9f"
            transportkey(9, 1) = "fafdfe7fffff"
            transportkey(10, 1) = "73399ccebebe"
            transportkey(11, 1) = "fc7ebfdfbfbf"
            transportkey(12, 1) = "cfe773395151"
            transportkey(13, 1) = "f7fb7d3e5a5a"
            transportkey(14, 1) = "f2793c1e8d8d"
            transportkey(15, 1) = "cfe773394545"
            transportkey(16, 1) = "b7db6db67d7d"
            
            transportkey(1, 2) = "bdde6f378383"
            transportkey(2, 2) = "148ac5e22828"
            transportkey(3, 2) = "7d3e9f4f9595"
            transportkey(4, 2) = "add66b35c8c8"
            transportkey(5, 2) = "dfef77bbe4e4"
            transportkey(6, 2) = "09844221bcbc"
            transportkey(7, 2) = "5fafd7eba5a5"
            transportkey(8, 2) = "29148ac59f9f"
            transportkey(9, 2) = "fafdfe7fffff"
            transportkey(10, 2) = "73399ccebebe"
            transportkey(11, 2) = "fc7ebfdfbfbf"
            transportkey(12, 2) = "cfe773395151"
            transportkey(13, 2) = "f7fb7d3e5a5a"
            transportkey(14, 2) = "f2793c1e8d8d"
            transportkey(15, 2) = "cfe773394545"
            transportkey(16, 2) = "b7db6db67d7d"
            If optPasswordA.value = True Then
                nRet = mif_load_key(Ka, CByte(txtSectorNo.Text), _
                transportkey(CByte(txtSectorNo.Text) + 1, 1), _
                txtPasswordA.Text)
            Else
                nRet = mif_load_key(Kb, CByte(txtSectorNo.Text), _
                transportkey(CByte(txtSectorNo.Text) + 1, 2), _
                txtPasswordB.Text)
            End If
            If nRet <> 0 Then
                InfoState.Panels(1).Text = "密碼加載錯誤!"
            Else
                InfoState.Panels(1).Text = "操作完成!"
            End If
        Case 1
            InfoState.Panels(1).Text = "扇區密碼校對..."
            nSnr = 0
            readdata = Space(32)
            nRet = mif_reset(25)
            If (nRet <> 0) Then
                Beep
                InfoState.Panels(1).Text = "模塊復位錯誤!"
                Exit Sub
            End If
            nRet = mif_request_2(All, tt)
            If (nRet <> 0) Then
                Beep
                InfoState.Panels(1).Text = "無卡!"
                Exit Sub
            End If
            nRet = mif_anticoll(0, nSnr)
            If (nRet <> 0) Then
                Beep
                InfoState.Panels(1).Text = "碰撞檢測錯誤!"
                Exit Sub
            End If
            nRet = mif_select(nSnr, nSize)
            If (nRet <> 0) Then
                Beep
                InfoState.Panels(1).Text = "卡選擇錯誤!"
                Exit Sub
            End If
            If optPasswordA.value = True Then
                nRet = mif_authentication(Ka, CByte(txtSectorNo.Text))
            Else
                nRet = mif_authentication(Kb, CByte(txtSectorNo.Text))
            End If
            If (nRet <> 0) Then
                Beep
                InfoState.Panels(1).Text = "密碼錯誤!"
                Exit Sub
            End If
            InfoState.Panels(1).Text = "操作完成!"
        Case 2
            InfoState.Panels(1).Text = "讀卡..."
            nRet = mif_read(CByte(comBlockNo.Text), readdata)
            If (nRet <> 0) Then
                Beep
                Beep
                InfoState.Panels(1).Text = "讀卡錯誤!"
                Exit Sub
            End If
            Beep
            With DisplayGrid
                For I = 1 To 16
                    .TextMatrix(1, I) = Mid(readdata, 2 * I - 1, 2)
                    .TextMatrix(2, I) = Chr(CharToNum(Mid(readdata, 2 * I - 1, 1)) * 16 + CharToNum(Mid(readdata, 2 * I, 1)))
                Next
            End With
            strTempVal = ""
            strTempAdr1 = ""
            strTempAdr2 = ""
            For I = 9 To 16
                strTempVal = strTempVal & NumToChar((15 - CharToNum(Mid(readdata, I, 1))))
            Next
            For I = 27 To 28
                strTempAdr1 = strTempAdr1 & NumToChar((15 - CharToNum(Mid(readdata, I, 1))))
            Next
            For I = 31 To 32
                strTempAdr2 = strTempAdr2 & NumToChar((15 - CharToNum(Mid(readdata, I, 1))))
            Next
            
            If Mid(readdata, 1, 8) = Mid(readdata, 17, 8) And _
               Mid(readdata, 1, 8) = strTempVal And _
               Mid(readdata, 25, 2) = Mid(readdata, 29, 2) And _
               Mid(readdata, 27, 2) = Mid(readdata, 31, 2) And _
               Mid(readdata, 25, 2) = strTempAdr1 And _
               Mid(readdata, 29, 2) = strTempAdr2 Then
               lblValue.Enabled = True
               txtValue.Enabled = True
               nValue = 0
               For I = 1 To 4
                    nValue = nValue * 256 + CharToNum(Mid(readdata, 9 - 2 * I, 1)) * 16 + CharToNum(Mid(readdata, 10 - 2 * I, 1))
               Next I
               txtValue.Text = nValue
            Else
               lblValue.Enabled = False
               txtValue.Enabled = False
            End If
            InfoState.Panels(1).Text = "操作完成!"
        Case 3
        Case 4
            If Val(comBlockNo.Text) = Val(txtSectorNo.Text) * 4 + 3 Then
                MsgBox "該塊不能被初始化為數值塊!"
                Exit Sub
            End If
            strTempVal = ""
            strTempVal = InputBox("請輸入數值", "數值塊初始化操作", 0)
            If strTempVal = "" Then
                Exit Sub
            End If
            If Not IsNumeric(strTempVal) Then
                MsgBox "請正確輸入數值!"
                Exit Sub
            End If
            nRet = mif_initval(Val(comBlockNo.Text), CLng(Val(strTempVal)))
            If nRet <> 0 Then
                InfoState.Panels(1).Text = "初始化錯誤!"
                Exit Sub
            End If
        Case 5
            If Val(comBlockNo.Text) = Val(txtSectorNo.Text) * 4 + 3 Then
                MsgBox "不能對該塊進行增值操作!"
                Exit Sub
            End If
            strTempVal = ""
            strTempVal = InputBox("請輸入數值", "數值塊增值操作", 0)
            If strTempVal = "" Then
                Exit Sub
            End If
            If Not IsNumeric(strTempVal) Then
                MsgBox "請正確輸入數值!"
                Exit Sub
            End If
            nRet = mif_increment(Val(comBlockNo.Text), CLng(Val(strTempVal)))
            If nRet <> 0 Then
                InfoState.Panels(1).Text = "增值操作錯誤!"
                Exit Sub
            End If
            nRet = mif_transfer(Val(comBlockNo.Text))
            If nRet <> 0 Then
                InfoState.Panels(1).Text = "增值操作錯誤!"
                Exit Sub
            End If
            cmdMenu_Click 2
        Case 6
            If Val(comBlockNo.Text) = Val(txtSectorNo.Text) * 4 + 3 Then
                MsgBox "不能對該塊進行減值操作!"
                Exit Sub
            End If
            strTempVal = ""
            strTempVal = InputBox("請輸入數值", "數值減值操作", 0)
            If strTempVal = "" Then
                Exit Sub
            End If
            If Not IsNumeric(strTempVal) Then
                MsgBox "請正確輸入數值!"
                Exit Sub
            End If
            nRet = mif_decrement(Val(comBlockNo.Text), CLng(Val(strTempVal)))
            If nRet <> 0 Then
                InfoState.Panels(1).Text = "減值操作錯誤!"
                Exit Sub
            End If
            nRet = mif_transfer(Val(comBlockNo.Text))
            If nRet <> 0 Then
                InfoState.Panels(1).Text = "減值操作錯誤!"
                Exit Sub
            End If
            cmdMenu_Click 2
    End Select
End Sub
Private Sub Form_Load()
    comPort.ListIndex = 0
    Call IniGrid
End Sub

Private Sub IniGrid()
    With DisplayGrid
        .FormatString = " |^00|^01|^02|^03|^04|^05|^06|^07|^08|^09|^0A" _
            & "|^0B|^0C|^0D|^0E|^0F;字節序號|內容(HEX)|內容(ASCII)"
        Dim I As Integer
        For I = .FixedCols To .Cols - 1
            .ColWidth(I) = 367
        Next
        For I = 0 To .Rows - 1
        Next
    End With
End Sub

Private Sub txtSectorNo_Change()
    If Trim(txtSectorNo.Text) = "" Then
        Exit Sub
    End If
    If CByte(txtSectorNo.Text) < 0 Or CByte(txtSectorNo.Text) > 15 Then
        MsgBox "扇區值無效!"
        Exit Sub
    End If
    comBlockNo.Clear
    comBlockNo.AddItem CByte(txtSectorNo.Text) * 4
    comBlockNo.AddItem CByte(txtSectorNo.Text) * 4 + 1
    comBlockNo.AddItem CByte(txtSectorNo.Text) * 4 + 2
    comBlockNo.AddItem CByte(txtSectorNo.Text) * 4 + 3
    comBlockNo.ListIndex = 0
End Sub
Private Sub txtSectorNo_KeyPress(KeyAscii As Integer)
    KeyAscii = ValidText(KeyAscii, "0123456789", True)
End Sub