public bool WriteStream(Stream fs, int StartCluster, int Filesize)
{
Log.Info("StartCluster:" + StartCluster.ToString());
int Size = Filesize;
int c = StartCluster;
while (true)
{
var s = c * ClusterPerSector;
var LastSector = 0;
for (var sc = 0; sc < ClusterPerSector; sc++, s++)
{
var Length = Size < DefaultSectorBytes ? Size : DefaultSectorBytes;
DiskImage.GetSector(s).Fill(0x00);
if (Size == 0)
{
continue;
}
var SectorBuffer = DiskImage.GetSectorDataForWrite(s);
fs.Read(SectorBuffer, 0, Length);
Size -= Length;
if (Length > 0)
{
LastSector = sc;
}
}
if (Size == 0)
{
if (Setting.X1SMode && LastSector > 0)
{
LastSector--;
if ((Filesize & 0xff) == 0)
{
LastSector++;
}
}
SetClusterValue(c, LastSector, true);
break;
}
var next = GetNextFreeCluster(2);
if (next < 0)
{
Log.Error($"Too big filesize!: LastClaster={c}");
SetClusterValue(c, LastSector, true);
return(false);
}
SetClusterValue(c, next);
c = next;
}
return(true);
}
private void FillAllocationTable()
{
var dc = DiskImage.GetDataControllerForWrite(AllocationTableStart);
dc.Fill(0);
dc.SetByte(0, 0x01);
dc.SetByte(1, 0x8f);
switch (ImageType)
{
case DiskTypeEnum.Disk2D:
for (var i = 0x50; i < 0x80; i++)
{
dc.SetByte(i, 0x8f);
}
break;
case DiskTypeEnum.Disk2DD:
dc.SetBuffer(DiskImage.GetSectorDataForWrite(AllocationTableStart + 1));
dc.Fill(0);
for (var i = 0x20; i < 0x80; i++)
{
dc.SetByte(i, 0x8f);
}
break;
case DiskTypeEnum.Disk2HD:
dc.SetByte(2, 0x8f);
dc.SetBuffer(DiskImage.GetSectorDataForWrite(AllocationTableStart + 1));
dc.Fill(0);
for (var i = 0x7a; i < 0x80; i++)
{
dc.SetByte(i, 0x8f);
}
break;
}
FormatEntry(CurrentEntrySector);
}
