Attribute VB_Name = "modDTP"
'****************************************************************************
'人人為我，我為人人
'枕善居收藏整理
'發(fā)布日期：2007/03/20
'描    述：軟盤(pán)分析修復(fù)維護(hù)工具 Ver 1.3.0
'網(wǎng)    站：http://www.Mndsoft.com/  (VB6源碼博客)
'網(wǎng)    站：http://www.VbDnet.com/   (VB.NET源碼博客,主要基于.NET2005)
'e-mail  ：Mndsoft@163.com
'e-mail  ：Mndsoft@126.com
'OICQ    ：88382850
'          如果您有新的好的代碼別忘記給枕善居哦!
'****************************************************************************

Option Explicit

'--------------------------------------Windows API Functions
Private Declare Function GetTickCount Lib "kernel32" () As Long
'-------------------------------------------Public Variables
Public mWork As Byte
Public SecCopy(1 To 2880) As Boolean
Public EditTrack As Byte
Public EditSide As Byte
Public EditSector As Byte
Public MarkBad As Boolean
Public Editting As Boolean
Public BkJump As Long
'------------------------------------------Private Variables
Private oldNsec As Byte
Private ReadTick As Long
Private StartTick As Long
Private SecList(1 To 2880, 1 To 512) As Byte
Private EOFdisk As Boolean
Private DepthScan As Boolean
Private StartSec As Long, CurrentSec As Long, EndSec As Long
    
'------------------------------------------Public Structures
Public Enum EditOperation
  eoInit = 1
  eoFormat = 2
  eoOverwrite = 3
  eoMarkBad = 4
  eoUnmark = 5
  eoReading = 6
  eoMove = 7
  eoResetPos = 8
  eoEndEdit = 9
End Enum
    
'-----------------------------------------------CountSecCopy
Public Function CountSecCopy() As Long
  Dim res As Long
  Dim i As Long
  
  res = 0
  For i = 1 To 2880
    If SecCopy(i) = False Then res = res + 1
  Next i
  CountSecCopy = res
End Function

'-----------------------------------------------SectorNumber
Public Function SectorNumber(ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte) As Long
  SectorNumber = Track * 36 + Side * 18 + Sector
End Function

'-------------------------------------------------NumSectors
Public Function NumSectors() As Byte
  Select Case mLightRead
    Case 1: NumSectors = 18
    Case 2: NumSectors = 9
    Case 3: NumSectors = 3
    Case 4: NumSectors = 1
  End Select
End Function

'-----------------------------------------GetSideTrackInside
Public Function GetSideTrackInside(ByVal Track As Byte, ByVal Side As Byte, Optional Sector As Byte = 0) As SectorType
  Dim num As Long
  Dim Info As SectorType
  Dim i As Byte
  Dim nSec As Long
  
  Info = 0
  If Sector = 0 Then
    For i = 1 To 18
      num = SectorNumber(Track, Side, i)
      If SectorInfo(num) > Info Then
        Info = SectorInfo(num)
      End If
    Next i
  Else
    nSec = NumSectors() - 1
    For i = Sector To Sector + nSec
      num = SectorNumber(Track, Side, i)
      If SectorInfo(num) > Info Then
        Info = SectorInfo(num)
      End If
    Next i
  End If
  GetSideTrackInside = Info
End Function

'-----------------------------------------GetSideTrackSector
Public Function GetSideTrackSector(ByVal Track As Byte, ByVal Side As Byte) As StatType
  Dim num As Long
  Dim Info As StatType
  Dim i As Byte
  
  Info = 0
  For i = 1 To 18
    num = SectorNumber(Track, Side, i)
    If SectorStat(num) > Info Then
      Info = SectorStat(num)
    End If
  Next i
  GetSideTrackSector = Info
End Function

'---------------------------------------------DisplaySurface
Public Sub DisplaySurface()
  Dim Track As Byte
  Dim Side As Byte
  Dim Sector As Byte
  Dim num As Long
  Dim InfoSEC As SectorType
  Dim InfoSTA As StatType
  
  Call DisplayCentralSurface(mModWin)
  Central.StartEnd.DrawCursor
  For Track = 0 To 79
    For Side = 0 To 1
      If (mModWin = 1) Or (mModWin = 3) Then
        For Sector = 1 To 18
          num = SectorNumber(Track, Side, Sector)
          If SectorInfo(num) <> IOempty Then
            Call DisplaySectorInside(SectorInfo(num), Track, Side, Sector)
          End If
          If SectorStat(num) <> statNormal Then
            Call DisplaySector(Track, Side, Sector, SectorStat(num))
          End If
        Next Sector
      Else
        InfoSEC = GetSideTrackInside(Track, Side)
        InfoSTA = GetSideTrackSector(Track, Side)
        num = SectorNumber(Track, 0, Side + 1)
        If InfoSEC <> IOempty Then
          Call DisplaySectorInside(InfoSEC, Track, 0, Side + 1)
        End If
        If InfoSTA <> statNormal Then
          Call DisplaySector(Track, 0, Side + 1, InfoSTA)
        End If
      End If
    Next Side
  Next Track
End Sub

'----------------------------------------DisplaySectorInside
Public Sub DisplaySectorInside(ByVal Info As SectorType, ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte)
  Dim X As Long
  Dim Y As Long
  
  X = 8 + Track * 7
  Y = 18 + Side * 130 + (Sector - 1) * 7
  Select Case Info
    Case IOempty: Central.ForeColor = RGB(4, 54, 52)
    Case IObad:   Central.ForeColor = RGB(252, 2, 84)
    Case IOboot:  Central.ForeColor = RGB(252, 250, 4)
    Case IOfat1:  Central.ForeColor = RGB(4, 166, 252)
    Case IOfat2:  Central.ForeColor = RGB(4, 166, 4)
    Case IOdir:   Central.ForeColor = RGB(164, 166, 164)
    Case IOdata:  Central.ForeColor = RGB(4, 2, 4)
    Case Else:    Central.ForeColor = RGB(255, 255, 255)
  End Select
  Central.FillColor = Central.ForeColor
  Central.FillStyle = 0
  Central.Line (X, Y)-(X + 3, Y + 3), , BF
End Sub

'---------------------------------------------DisplaySectors
Public Sub DisplaySector(ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte, ByVal modo As StatType)
  Dim X As Long
  Dim Y As Long
  
  X = 7 + Track * 7
  Y = 17 + Side * 130 + (Sector - 1) * 7
  Select Case modo
    Case statError:  Central.ForeColor = RGB(252, 250, 252)
    Case statOk:     Central.ForeColor = RGB(84, 86, 84)
    Case statRead:   Central.ForeColor = RGB(0, 150, 150)
    Case statWrite:  Central.ForeColor = RGB(150, 0, 0)
    Case statVerify: Central.ForeColor = RGB(150, 150, 0)
    Case statNormal: Central.ForeColor = RGB(4, 2, 4)
    Case statEdit:   Central.ForeColor = RGB(94, 128, 142)
  End Select
  Central.FillStyle = 1
  Central.Line (X, Y)-(X + 5, Y + 5), , B
End Sub

Public Sub DisplaySectors(ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte, ByVal modo As StatType)
  Dim i As Byte
  Dim soma As Byte
  
  soma = NumSectors() - 1
  If (mModWin = 1) Or (mModWin = 3) Then
    For i = Sector To Sector + soma
      Call DisplaySector(Track, Side, i, modo)
    Next i
  Else
    Call DisplaySector(Track, 0, Side + 1, GetSideTrackSector(Track, Side))
  End If
End Sub

'-------------------------------------------------ReloadDisk
Public Sub ReloadDisk()
  Dim i As Long
  
  Call DiskSystemReset
  For i = 1 To 2880
    SecCopy(i) = False
  Next i
  Call ReadDiskDATA
  Call DisplaySurface
End Sub

'------------------------------------------------PrepareDisk
Public Function PrepareDisk() As Boolean
  Dim i As Long
  
  If TestDiskChange = True Then
    For i = 1 To 2880
      SecCopy(i) = False
    Next i
  End If
  If TestDiskReady = True Then
    Call ReadDiskDATA
    Call DisplaySurface
    PrepareDisk = True
  End If
End Function

'----------------------------------------------------JumpBad
Public Function JumpBad(ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte, ByVal Light As Boolean) As Boolean
  Dim nSect As Byte
  Dim i As Byte
  Dim num As Long
  
  If Light = False Then
    JumpBad = False
    Exit Function
  End If
  nSect = NumSectors() - 1
  For i = Sector To Sector + nSect
    num = SectorNumber(Track, Side, i)
    If SectorInfo(num) <> IObad Then
      JumpBad = False
      Exit Function
    End If
  Next i
  JumpBad = True
End Function

'-----------------------------------------------JumpOnlyData
Public Function JumpOnlyData(ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte, ByVal Light As Boolean) As Boolean
  Dim nSect As Byte
  Dim i As Byte
  Dim num As Long
  
  If Light = False Then
    JumpOnlyData = False
    Exit Function
  End If
  nSect = NumSectors() - 1
  For i = Sector To Sector + nSect
    num = SectorNumber(Track, Side, i)
    If (SectorInfo(num) = IOdata) Or (SectorInfo(num) = IOboot) Or _
       (SectorInfo(num) = IOdir) Or (SectorInfo(num) = IOfat1) Or _
       (SectorInfo(num) = IOfat2) Then
      JumpOnlyData = False
      Exit Function
    End If
  Next i
  JumpOnlyData = True
End Function

'----------------------------------------------AdvanceSector
Public Function AdvanceSector(ByRef Track As Byte, ByRef Side As Byte, ByRef Sector As Byte) As Boolean
  AdvanceSector = True
  Sector = Sector + NumSectors()
  If NumSectors < 18 Then Central.TimedWave1.Add
  If Sector > 18 Then
    Sector = 1
    Side = Side + 1
  End If
  If Side = 2 Then
    Side = 0
    Track = Track + 1
    If NumSectors = 18 Then Central.TimedWave1.Add
  End If
  If (Track = 80) Or (Track = Central.StartEnd.EndPosition) Then
    AdvanceSector = False
    Track = Track - 1: Side = 1: Sector = 18 'set last sector
  End If
End Function

'--------------------------------------------DisplayPosition
Public Sub DisplayPosition(ByVal Track As Byte, ByVal Side As Byte, ByVal Sector As Byte)
  Call DigitalINT(Central, 550, 37 + Central.PicCentral.Top - 21, Track, 2, 2)
  Call DigitalINT(Central, 538, 49 + Central.PicCentral.Top - 21, Side, 2, 1)
  Call DigitalINT(Central, 550, 49 + Central.PicCentral.Top - 21, Sector, 2, 2)
  Call DigitalINT(Central, 538, 61 + Central.PicCentral.Top - 21, SectorNumber(Track, Side, Sector), 2, 4)
End Sub

'----------------------------------------------DisplayTiming
Public Sub DisplayTiming()
  Dim EndTick As Long
  Dim TickLeft As Long
  Dim CurrentTick As Long
  Dim aux As Long
  Dim TempT As Double
  Const r1X = 337, r1Y = 43  'Ending
  Const r2X = 431, r2Y = 43  'Left
  Const r3X = 337, r3Y = 74  'Elapsed
  Const r4X = 431, r4Y = 74  'Predicted
   
  'calculate ticks
  CurrentTick = GetTickCount()
  If CurrentSec <> StartSec Then
    TempT = (CurrentTick - StartTick) / (CurrentSec - StartSec)
    If TempT > 30000 Then TempT = 30000 'overflow check
    TickLeft = (EndSec - CurrentSec) * TempT
  End If
  EndTick = CurrentTick + TickLeft
  'Ending time
  aux = CalcNowSeconds(H24) + (EndTick - CurrentTick) / 1000
  Call DigitalText(r1X, r1Y + Central.PicCentral.Top - 21, StrClock(aux), 3)
  'Time left in seconds
  aux = TickLeft / 1000
  Call DigitalText(r2X, r2Y + Central.PicCentral.Top - 21, StrClock(aux), 3)
  'Seconds elapsed
  aux = (CurrentTick - StartTick) / 1000
  Call DigitalText(r3X, r3Y + Central.PicCentral.Top - 21, StrClock(aux), 3)
  'Predicted time