Leahnaya/WfcPatcher
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That's the last part, let's see if encoding works now.

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This commit is contained in:
Admiral H. Curtiss
2014-05-29 17:37:07 +02:00
parent 26e5a7da23
commit 3e71c26b6a
1 changed files with 23 additions and 18 deletions
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41
blz.cs
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@@ -318,11 +318,13 @@ namespace WfcPatcher {
} else if (BitConverter.ToUInt16(raw_buffer, 0x7FE) != 0) {
Console.Write(", WARNING: invalid Secure Area 2KB end, switch [9] disabled");
} else {
//crc = (unsigned short)BLZ_CRC16(raw_buffer + 0x10, 0x07F0);
//if (*(unsigned short *)(raw_buffer + 0x0E) != crc) {
// Console.Write(", WARNING: CRC16 Secure Area 2KB do not match");
// *(unsigned short *)(raw_buffer + 0x0E) = crc;
//}
crc = BLZ_CRC16(raw_buffer, 0x10, 0x07F0);
byte[] crcbytes = BitConverter.GetBytes( crc );
if (!(raw_buffer[0x0E] == crcbytes[0] && raw_buffer[0x0F] == crcbytes[1])) {
Console.Write(", WARNING: CRC16 Secure Area 2KB do not match");
raw_buffer[0x0E] = crcbytes[0];
raw_buffer[0x0F] = crcbytes[1];
}
raw_new -= 0x4000;
}
}
@@ -470,22 +472,25 @@ namespace WfcPatcher {
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
short BLZ_CRC16(unsigned char *buffer, unsigned int length) {
unsigned short crc;
unsigned int nbits;
//*----------------------------------------------------------------------------
ushort BLZ_CRC16(byte[] buffer, uint bloc, uint length) {
ushort crc;
uint nbits;
crc = 0xFFFF;
while (length--) {
crc ^= *buffer++;
nbits = 8;
while (nbits--) {
if (crc & 1) { crc = (crc >> 1) ^ 0xA001; }
else crc = crc >> 1;
crc = 0xFFFF;
while ((length--) != 0) {
crc ^= buffer[bloc++];
nbits = 8;
while ((nbits--) != 0) {
if ( ( crc & 1 ) != 0 ) {
crc = (ushort)(( crc >> 1 ) ^ 0xA001);
} else {
crc = (ushort)(crc >> 1);
}
}
}
}
return(crc);
return(crc);
}
/*----------------------------------------------------------------------------*/