public void Write(uint startAddress, byte[] data)
{
int bytesWritten = 0;
while (bytesWritten < data.Length)
{
byte count = (byte)Math.Min(16, data.Length - bytesWritten);
// Add 5 to the count since the 4 address bytes and checksum will be written separately
int checksum = count + 5;
long address = startAddress + bytesWritten;
SRecordWriter.CalculateChecksum(address, ref checksum);
StringBuilder builder = new StringBuilder();
for (int index = 0; index < count; index++)
{
byte value = data[index + bytesWritten];
checksum += value;
builder.AppendFormat("{0:X2}", value);
}
byte lastByte = (byte)(checksum & 0xFF);
byte complement = (byte)(lastByte ^ 0xFF);
builder.Append(complement.ToString("X2"));
string dataString = builder.ToString();
// Adding 5 to the count since the 4 address bytes and checksum are written separately
//Trace.WriteLine("S3{0:X2}{1:X8}{2}", count + 5, address, dataString);
writer.WriteLine("S3{0:X2}{1:X8}{2}", count + 5, address, dataString);
bytesWritten += (int)count;
}
}
/// <summary>
/// Print the current contents of the ROM in the address range for the given patch.
/// Contains a check against metadata when IsMetaChecked = true
/// </summary>
private bool TryCheckPrintBaseline(Patch patch, Stream outStream)
{
uint patchLength = patch.Length;
byte[] buffer = new byte[patchLength];
//read baseline ROM data blob into buffer
if (!this.TryReadBuffer(outStream, patch.StartAddress, buffer))
{
return false;
}
if (patch.IsMetaChecked)
{
patch.MetaCheck((IEnumerable<byte>)buffer);
}
using ( StreamWriter textWriter = File.AppendText(this.ModIdent + ".patch"))
{
//TextWriter textWriter = new StreamWriter(consoleOutputStream);
//OUTPUT DIRECT TO FILE, ADD VERSIONING SYSTEM
SRecordWriter writer = new SRecordWriter(textWriter);
// The "baselineOffset" delta is how we distinguish baseline data from patch data.
writer.Write(patch.StartAddress + BaselineOffset, buffer);
}
return true;
}
