private void ApplyPatch(string srcName, PatchedFile file, PC98FatFileSystem srcFat, FatFileSystem dstFat)
{
if (srcName.EndsWith("CRUISER.COM"))
{
var dir = System.IO.Path.GetDirectoryName(Application.ExecutablePath);
var name = Path.Combine(dir, srcName.TrimStart('\\'));
using (var src = srcFat.OpenFile(srcName, FileMode.Open)) {
using (var dst = File.Create(name)) {
src.CopyTo(dst);
}
}
using (var dst = File.Create(name + ".patch")) {
dst.Write(file.Patch, 0, file.Patch.Length);
}
}
MakeDirectory(file.Name, dstFat);
using (var ms = new MemoryStream(file.Patch)) {
ms.Position = 0;
using (var src = srcFat.OpenFile(srcName, FileMode.Open)) {
using (var dst = dstFat.OpenFile(file.Name, FileMode.Create)) {
BsPatch.Apply(src, file.Patch, dst);
}
}
}
}
private static void CopySysFiles(PC98FatFileSystem fs, PC98FatFileSystem newfs, string[] sysFiles)
{
foreach (var file in sysFiles)
{
var compressedFile = file.Substring(0, file.Length - 1) + "_";
if (fs.FileExists(file))
{
using (var dst = newfs.OpenFile(file, FileMode.CreateNew)) {
using (var src = fs.OpenFile(file, FileMode.Open)) {
src.CopyTo(dst);
}
}
}
else if (fs.FileExists(compressedFile))
{
using (var dst = newfs.OpenFile(file, FileMode.CreateNew)) {
using (var src = fs.OpenFile(compressedFile, FileMode.Open)) {
UnpackMSLZ(src, dst);
}
}
}
else
{
throw new FileNotFoundException($"Can't find file {file} in the system disk");
}
}
}
private void CopyFile(string srcName, string dstName, PC98FatFileSystem srcFat, FatFileSystem dstFat)
{
using (var src = srcFat.OpenFile(srcName, FileMode.Open)) {
MakeDirectory(dstName, dstFat);
if (dstFat.FileExists(dstName))
{
Debug.WriteLine("exists");
//dstFat.DeleteFile(dstName);
}
var tmpfile = "~copy.tmp";
if (dstFat.FileExists(tmpfile))
{
dstFat.DeleteFile(tmpfile);
}
using (var dst = dstFat.OpenFile(tmpfile, FileMode.Create)) {
src.CopyTo(dst);
}
dstFat.MoveFile(tmpfile, dstName, true);
var fi = dstFat.GetFileInfo(dstName);
fi.LastWriteTime = DateTime.Now;
fi.LastAccessTime = DateTime.Now;
/*try {
* dstFat.MoveFile(tmpfile, dstName, true);
* var fi = dstFat.GetFileInfo(dstName);
* fi.LastWriteTime = DateTime.Now;
* } catch (Exception e) {
* Debug.WriteLine(dstName);
* }*/
}
}
private static void CopySysFiles(PC98FatFileSystem fs, PC98FatFileSystem newfs)
{
var files = new string[] { @"\IO.SYS", @"\MSDOS.SYS", @"\COMMAND.COM", @"\CONFIG.SYS" };
foreach (var file in files)
{
using (var dst = newfs.OpenFile(file, FileMode.CreateNew)) {
using (var src = fs.OpenFile(file, FileMode.Open)) {
src.CopyTo(dst);
}
}
}
using (var dst = newfs.OpenFile(@"\HIMEM.SYS", FileMode.CreateNew)) {
using (var src = fs.OpenFile(@"\HIMEM.SY_", FileMode.Open)) {
UnpackMSLZ(src, dst);
}
}
}
private static void BuildChecksums(Dictionary <string, string> fileList, PC98FatFileSystem srcFat, string dir)
{
var files = srcFat.GetFiles(dir);
foreach (var file in files)
{
using (var s = srcFat.OpenFile(file, FileMode.Open)) {
fileList.Add(file, Md5sum(s));
}
}
var dirs = srcFat.GetDirectories(dir);
foreach (var dirname in dirs)
{
BuildChecksums(fileList, srcFat, dirname);
}
}
private static void WriteBootloader(Stream s, PC98FatFileSystem fs, FormatData format)
{
using (var fh = fs.OpenFile(@"\HDFORMAT.EXE", FileMode.Open)) {
var sub = new byte[] {
0xE9, 0xD1, 0x02, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
};
var buf = new byte[0x1000];
var readPos = fh.Position;
var len = format.BootloaderEnd - format.BootloaderStart;
var currPos = fh.Position;
var found = false;
while (fh.Position < fh.Length)
{
currPos = fh.Position;
fh.Read(buf, 0, buf.Length);
var pos = FindSub(buf, sub);
if (pos > (buf.Length - sub.Length))
{
fh.Position = pos;
continue;
}
if (pos >= 0)
{
currPos = currPos + pos;
found = true;
break;
}
}
if (!found)
{
throw new EntryPointNotFoundException("Can't find bootloader fingerprint in the HDFORMAT.EXE");
}
fh.Position = currPos;
s.Position = format.BootloaderStart;
fh.Read(buf, 0, buf.Length);
s.Write(buf, 0, buf.Length);
fh.Read(buf, 0, buf.Length);
s.Write(buf, 0, buf.Length);
}
}