private void importCDLToolStripMenuItem_Click(object sender, EventArgs e)
{
openCDLDialog.InitialDirectory = Project.currentFile;
DialogResult result = openCDLDialog.ShowDialog();
if (result == DialogResult.OK)
{
if (ContinueUnsavedChanges())
{
try
{
var cdl = BizHawkCdl.LoadFromFile(openCDLDialog.FileName);
Manager.ImportBizHawkCDL(cdl);
}
catch (InvalidDataException ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (EndOfStreamException ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
UpdatePercent();
UpdateWindowTitle();
InvalidateTable();
}
}
}
public static void ImportBizHawkCDL(BizHawkCdl cdl)
{
if (!cdl.TryGetValue("CARTROM", out var cdlRomFlags))
{
throw new InvalidDataException("The CDL file does not contain CARTROM block.");
}
var size = Math.Min(cdlRomFlags.Count, Data.GetROMSize());
bool m = false;
bool x = false;
for (var offset = 0; offset < size; offset++)
{
var cdlFlag = cdlRomFlags[offset];
if (cdlFlag == BizHawkCdl.Flag.None)
{
continue;
}
var type = Data.FlagType.Unreached;
if ((cdlFlag & BizHawkCdl.Flag.ExecFirst) != 0)
{
type = Data.FlagType.Opcode;
m = (cdlFlag & BizHawkCdl.Flag.CPUMFlag) != 0;
x = (cdlFlag & BizHawkCdl.Flag.CPUXFlag) != 0;
}
else if ((cdlFlag & BizHawkCdl.Flag.ExecOperand) != 0)
{
type = Data.FlagType.Operand;
}
else if ((cdlFlag & BizHawkCdl.Flag.CPUData) != 0)
{
type = Data.FlagType.Data8Bit;
}
else if ((cdlFlag & BizHawkCdl.Flag.DMAData) != 0)
{
type = Data.FlagType.Data8Bit;
}
Mark(offset, type, 1);
if (type == Data.FlagType.Opcode || type == Data.FlagType.Operand)
{
// Operand reuses the last M and X flag values used in Opcode,
// since BizHawk CDL records M and X flags only in Opcode.
MarkMFlag(offset, m, 1);
MarkXFlag(offset, x, 1);
}
}
}
public static BizHawkCdl LoadFromStream(Stream input)
{
var br = new BinaryReader(input);
string id = br.ReadString();
string subType;
if (id == "BIZHAWK-CDL-1")
{
subType = "PCE";
}
else if (id == "BIZHAWK-CDL-2")
{
subType = br.ReadString().TrimEnd(' ');
}
else
{
throw new InvalidDataException("File is not a BizHawk CDL file.");
}
if (subType != "SNES")
{
throw new InvalidDataException("The CDL file is not for SNES.");
}
var cdl = new BizHawkCdl();
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
string key = br.ReadString();
int len = br.ReadInt32();
var data = br.ReadBytes(len).Select(b => (Flag)b).ToArray();
cdl[key] = data;
}
return(cdl);
}
