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/*
* SingerConfig.cs
* Copyright (c) 2008-2009 kbinani
*
* This file is part of Boare.Lib.Vsq.
*
* Boare.Lib.Vsq is free software; you can redistribute it and/or
* modify it under the terms of the BSD License.
*
* Boare.Lib.Vsq is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
using System;
using System.IO;
using System.Collections.Generic;
public class decode {
public static void Main( string[] args ){
if( args.Length <= 1 ){
return;
}
string file = args[0];
string result = args[1];
FileStream fs = new FileStream( file, FileMode.Open, FileAccess.Read );
byte[] buf = new byte[fs.Length];
fs.Read( buf, 0, buf.Length );
fs.Close();
decode_vvd_bytes( ref buf );
for ( int i = 0; i < buf.Length - 1; i++ ) {
if ( buf[i] == 0x17 && buf[i + 1] == 0x10 ) {
buf[i] = 0x0d;
buf[i + 1] = 0x0a;
}
}
FileStream fsout = new FileStream( result, FileMode.Create );
fsout.Write( buf, 0, buf.Length );
fsout.Close();
}
public static void decode_vvd_bytes( ref byte[] dat ) {
for ( int i = 0; i < dat.Length; i++ ) {
byte M = (byte)(dat[i] >> 4);
byte L = (byte)(dat[i] - (M << 4));
byte newM = endecode_vvd_m( M );
byte newL = endecode_vvd_l( L );
dat[i] = (byte)((newM << 4) | newL);
}
}
static byte endecode_vvd_l( byte value ) {
switch ( value ) {
case 0x0:
return 0xa;
case 0x1:
return 0xb;
case 0x2:
return 0x8;
case 0x3:
return 0x9;
case 0x4:
return 0xe;
case 0x5:
return 0xf;
case 0x6:
return 0xc;
case 0x7:
return 0xd;
case 0x8:
return 0x2;
case 0x9:
return 0x3;
case 0xa:
return 0x0;
case 0xb:
return 0x1;
case 0xc:
return 0x6;
case 0xd:
return 0x7;
case 0xe:
return 0x4;
case 0xf:
return 0x5;
}
return 0x0;
}
static byte endecode_vvd_m( byte value ) {
switch ( value ) {
case 0x0:
return 0x1;
case 0x1:
return 0x0;
case 0x2:
return 0x3;
case 0x3:
return 0x2;
case 0x4:
return 0x5;
case 0x5:
return 0x4;
case 0x6:
return 0x7;
case 0x7:
return 0x6;
case 0x8:
return 0x9;
case 0x9:
return 0x8;
case 0xa:
return 0xb;
case 0xb:
return 0xa;
case 0xc:
return 0xd;
case 0xd:
return 0xc;
case 0xe:
return 0xf;
case 0xf:
return 0xe;
}
return 0x0;
}
}
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