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C64: Manage memory for Cartridge, Write protect on media.

This commit is contained in:
Anthony Konzel 2016-03-04 16:15:01 -06:00
parent f4f45f73a8
commit b0e4e18ebc
3 changed files with 89 additions and 82 deletions
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4
BizHawk.Emulation.Cores/Computers/Commodore64/Cartridge/CartridgeDevice.cs
View File

@ -10,7 +10,8 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Cartridge
{
public static CartridgeDevice Load(byte[] crtFile)
{
var mem = new MemoryStream(crtFile);
using (var mem = new MemoryStream(crtFile))
{
var reader = new BinaryReader(mem);
if (new string(reader.ReadChars(16)) != "C64 CARTRIDGE ")
@ -101,6 +102,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Cartridge
result.HardReset();
return result;
}
}
private static int ReadCRTShort(BinaryReader reader)

3
BizHawk.Emulation.Cores/Computers/Commodore64/Media/Disk.cs
View File

@ -13,12 +13,14 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Media
[SaveState.DoNotSave] private int[][] _tracks;
[SaveState.DoNotSave] private readonly int[] _originalMedia;
[SaveState.DoNotSave] public bool Valid;
[SaveState.SaveWithName("DiskIsWriteProtected")] public bool WriteProtected;
/// <summary>
/// Create a blank, unformatted disk.
/// </summary>
public Disk(int trackCapacity)
{
WriteProtected = false;
_tracks = new int[trackCapacity][];
FillMissingTracks();
_originalMedia = SerializeTracks(_tracks);
@ -35,6 +37,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Media
/// <param name="trackCapacity">Total number of tracks on the media.</param>
public Disk(IList<byte[]> trackData, IList<int> trackNumbers, IList<int> trackDensities, IList<int> trackLengths, int trackCapacity)
{
WriteProtected = true;
_tracks = new int[trackCapacity][];
for (var i = 0; i < trackData.Count; i++)
{

2
BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
View File

@ -177,6 +177,8 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Serial
public void RemoveMedia()
{
_disk = null;
_trackImageData = null;
_diskBits = 0;
}
}
}