/*
** AreaEditor - a program for editing SMAUG and ROM area files.
** Author: Nick Gammon
** http://www.gammon.com.au/
** See Copyright Notice at the end of AreaEditor.h
*/

// crc table used by CalculateCRC

static unsigned short crctable [] = {0x0000, 0xC0C1, 0xC181, 0x0140,
                              0xC301, 0x03C0, 0x0280, 0xC241,
                              0xC601, 0x06C0, 0x0780, 0xC741,
                              0x0500, 0xC5C1, 0xC481, 0x0440,
                              0xCC01, 0x0CC0, 0x0D80, 0xCD41,
                              0x0F00, 0xCFC1, 0xCE81, 0x0E40,
                              0x0A00, 0xCAC1, 0xCB81, 0x0B40,
                              0xC901, 0x09C0, 0x0880, 0xC841,
                              0xD801, 0x18C0, 0x1980, 0xD941,
                              0x1B00, 0xDBC1, 0xDA81, 0x1A40,
                              0x1E00, 0xDEC1, 0xDF81, 0x1F40,
                              0xDD01, 0x1DC0, 0x1C80, 0xDC41,
                              0x1400, 0xD4C1, 0xD581, 0x1540,
                              0xD701, 0x17C0, 0x1680, 0xD641,
                              0xD201, 0x12C0, 0x1380, 0xD341,
                              0x1100, 0xD1C1, 0xD081, 0x1040,
                              0xF001, 0x30C0, 0x3180, 0xF141,
                              0x3300, 0xF3C1, 0xF281, 0x3240,
                              0x3600, 0xF6C1, 0xF781, 0x3740,
                              0xF501, 0x35C0, 0x3480, 0xF441,
                              0x3C00, 0xFCC1, 0xFD81, 0x3D40,
                              0xFF01, 0x3FC0, 0x3E80, 0xFE41,
                              0xFA01, 0x3AC0, 0x3B80, 0xFB41,
                              0x3900, 0xF9C1, 0xF881, 0x3840,
                              0x2800, 0xE8C1, 0xE981, 0x2940,
                              0xEB01, 0x2BC0, 0x2A80, 0xEA41,
                              0xEE01, 0x2EC0, 0x2F80, 0xEF41,
                              0x2D00, 0xEDC1, 0xEC81, 0x2C40,
                              0xE401, 0x24C0, 0x2580, 0xE541,
                              0x2700, 0xE7C1, 0xE681, 0x2640,
                              0x2200, 0xE2C1, 0xE381, 0x2340,
                              0xE101, 0x21C0, 0x2080, 0xE041,
                              0xA001, 0x60C0, 0x6180, 0xA141,
                              0x6300, 0xA3C1, 0xA281, 0x6240,
                              0x6600, 0xA6C1, 0xA781, 0x6740,
                              0xA501, 0x65C0, 0x6480, 0xA441,
                              0x6C00, 0xACC1, 0xAD81, 0x6D40,
                              0xAF01, 0x6FC0, 0x6E80, 0xAE41,
                              0xAA01, 0x6AC0, 0x6B80, 0xAB41,
                              0x6900, 0xA9C1, 0xA881, 0x6840,
                              0x7800, 0xB8C1, 0xB981, 0x7940,
                              0xBB01, 0x7BC0, 0x7A80, 0xBA41,
                              0xBE01, 0x7EC0, 0x7F80, 0xBF41,
                              0x7D00, 0xBDC1, 0xBC81, 0x7C40,
                              0xB401, 0x74C0, 0x7580, 0xB541,
                              0x7700, 0xB7C1, 0xB681, 0x7640,
                              0x7200, 0xB2C1, 0xB381, 0x7340,
                              0xB101, 0x71C0, 0x7080, 0xB041,
                              0x5000, 0x90C1, 0x9181, 0x5140,
                              0x9301, 0x53C0, 0x5280, 0x9241,
                              0x9601, 0x56C0, 0x5780, 0x9741,
                              0x5500, 0x95C1, 0x9481, 0x5440,
                              0x9C01, 0x5CC0, 0x5D80, 0x9D41,
                              0x5F00, 0x9FC1, 0x9E81, 0x5E40,
                              0x5A00, 0x9AC1, 0x9B81, 0x5B40,
                              0x9901, 0x59C0, 0x5880, 0x9841,
                              0x8801, 0x48C0, 0x4980, 0x8941,
                              0x4B00, 0x8BC1, 0x8A81, 0x4A40,
                              0x4E00, 0x8EC1, 0x8F81, 0x4F40,
                              0x8D01, 0x4DC0, 0x4C80, 0x8C41,
                              0x4400, 0x84C1, 0x8581, 0x4540,
                              0x8701, 0x47C0, 0x4680, 0x8641,
                              0x8201, 0x42C0, 0x4380, 0x8341,
                              0x4100, 0x81C1, 0x8081, 0x4040};