public void CreatingAFloppyFileWorksAsExpected()
{
// --- Act
VirtualFloppyFile.CreateSpectrumFloppyFile(TestFile);
// --- Assert
VirtualFloppyFile.OpenFloppyFile(TestFile);
}
public void OpeningANonExistingFloppyFileFails()
{
// --- Arrange
File.Delete(TestFile);
// --- Act
VirtualFloppyFile.OpenFloppyFile(TestFile);
}
public void OpenOrCreateCreatesANewFile()
{
// --- Arrange
File.Delete(TestFile);
// --- Act
VirtualFloppyFile.OpenOrCreateFloppyFile(TestFile);
// --- Assert
VirtualFloppyFile.OpenFloppyFile(TestFile);
}
/// <summary>
/// Execute loading and processing the file
/// </summary>
/// <param name="fileName"></param>
protected override void LoadFile(string fileName)
{
_loadPath = fileName;
_vm = new VfddEditorViewModel();
try
{
var floppyFile = VirtualFloppyFile.OpenFloppyFile(fileName);
_vm.IsValidFormat = true;
switch (floppyFile.DiskFormat)
{
case FloppyFormat.SpectrumP3:
_vm.DiskFormat = "Spectrum +3";
break;
case FloppyFormat.CpcData:
_vm.DiskFormat = "Amstrad CPC data only";
break;
case FloppyFormat.CpcSystem:
_vm.DiskFormat = "Amstrad CPC system";
break;
case FloppyFormat.Pcw:
_vm.DiskFormat = "Standard PCW range";
break;
default:
_vm.DiskFormat = "Unknown";
break;
}
switch (floppyFile.FormatSpec[1] & 0xFF)
{
case 0:
_vm.Sideness = "Single sided";
break;
case 1:
_vm.Sideness = "Double sided (alternating sides)";
break;
default:
_vm.Sideness = "Double sided (successive sides)";
break;
}
_vm.TracksPerSide = floppyFile.Tracks;
_vm.SectorsPerTrack = floppyFile.SectorsPerTrack;
_vm.SectorSize = 1 << (floppyFile.FormatSpec[4] + 7);
_vm.ReservedTracks = floppyFile.FormatSpec[5];
_vm.BlockSize = 1 << (floppyFile.FormatSpec[6] + 7);
_vm.DirectoryBlocks = floppyFile.FormatSpec[7];
_vm.ReadWriteGapLength = floppyFile.FormatSpec[8];
_vm.FormatGapLength = floppyFile.FormatSpec[9];
var capacity = floppyFile.Tracks
* (floppyFile.IsDoubleSided ? 2 : 1)
* floppyFile.SectorsPerTrack
* _vm.SectorSize
/ 1024;
_vm.Capacity = $"{capacity} KBytes";
}
catch (Exception)
{
_vm.IsValidFormat = false;
}
}