public void OnDlgClose(DlgResult dlr)
{
End();
}
private void loadFromStream(Stream stream)
{
if (stream.Length < 9 || stream.Length > 2544 * 256 + 9)
{
Locator.Resolve <IUserMessage>()
.Error("SCL loader\n\nInvalid SCL file size!");
return;
}
byte[] fbuf = new byte[stream.Length];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(fbuf, 0, (int)stream.Length);
// TODO:check first 8 bytes "SINCLAIR"
if (Encoding.ASCII.GetString(fbuf, 0, 8) != "SINCLAIR")
{
Locator.Resolve <IUserMessage>()
.Error("SCL loader\n\nCorrupted SCL file!");
return;
}
// if (fbuf.Length >= (9 + (0x100 + 14) * fbuf[8]))
// throw new InvalidDataException("Corrupt *.SCL file!");
bool needFormat = true;
if (_diskImage.IsConnected && _diskImage.Present)
{
var service = Locator.Resolve <IUserQuery>();
DlgResult dlgRes = DlgResult.No;
if (service != null)
{
dlgRes = service.Show(
"Do you want to append file(s) to existing disk?\n\nPlease click 'Yes' to append file(s).\nOr click 'No' to create new disk...",
"SCL loader",
DlgButtonSet.YesNoCancel,
DlgIcon.Question);
}
if (dlgRes == DlgResult.Cancel)
{
return;
}
if (dlgRes == DlgResult.Yes)
{
needFormat = false;
}
}
if (needFormat)
{
_diskImage.Format();
}
int size;
for (int i = size = 0; i < fbuf[8]; i++)
{
size += fbuf[9 + 14 * i + 13];
}
if (size > 2544)
{
byte[] s9 = new byte[256];
_diskImage.ReadLogicalSector(0, 0, 9, s9);
s9[0xE5] = (byte)size; // free sec
s9[0xE6] = (byte)(size >> 8);
_diskImage.WriteLogicalSector(0, 0, 9, s9);
}
int dataIndex = 9 + 14 * fbuf[8];
for (int i = 0; i < fbuf[8]; i++)
{
if (!addFile(fbuf, 9 + 14 * i, dataIndex))
{
return;
}
dataIndex += fbuf[9 + 14 * i + 13] * 0x100;
}
}