Weak sectors

I have written a program today to create a file called “ALLWEAK” that contains scrambled sector data from 0000 to FFFF in the attempt to burn the file and determine which sectors my burners are unable to burn successfully. At the bottom is the code to compile it yourself. I burnt the resulting file three different ways and none worked.

Plextor PX-W1210S (SCSI) with v1.05 firmware
Lite-On LTR-24102B (IDE) with 5S54 firmware.

default settings MAX, FES automatic, intelligent bad sector scanner 100 sector skip

made ISO image (2048) of ALLWEAK file using CDRWin
loaded ISO in CDMage and converted to BIN/CUE (Mode1/2352)
burned BIN/CUE with CDRWin to Plextor recorder

read image back from plextor with CloneCD = 50 errors, 6 sectors were repairable in CDMage
read image back from liteon with CloneCD = 730 errors, 108 sectors were repairable in CDMage

burned ISO with CDRWin to Liteon recorder
read image back from liteon with CloneCD = 1032 errors, 95 sectors were repairable in CDMage
read image back from plextor with CloneCD = 232 errors, 9 sectors were repairable in CDMage

burned ALLWEAK file using Easy CD Creator
read image back from plextor with CloneCD = 36 errors, 3 repairable in CDMage

The code to create the ALLWEAK file (134,215,680 bytes) is below. Are there ANY CD recorders which can burn it (without modification)?


/* All Weak Sectors 0000 to FFFF */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SECTORSIZE 2048

unsigned char sector_scramble[SECTORSIZE]=
0x00, 0x28, 0x00, 0x1E, 0x80, 0x08, 0x60, 0x06, 0xA8, 0x02, 0xFE, 0x81, 0x80, 0x60, 0x60, 0x28,
0x28, 0x1E, 0x9E, 0x88, 0x68, 0x66, 0xAE, 0xAA, 0xFC, 0x7F, 0x01, 0xE0, 0x00, 0x48, 0x00, 0x36,
0x80, 0x16, 0xE0, 0x0E, 0xC8, 0x04, 0x56, 0x83, 0x7E, 0xE1, 0xE0, 0x48, 0x48, 0x36, 0xB6, 0x96,
0xF6, 0xEE, 0xC6, 0xCC, 0x52, 0xD5, 0xFD, 0x9F, 0x01, 0xA8, 0x00, 0x7E, 0x80, 0x20, 0x60, 0x18,
0x28, 0x0A, 0x9E, 0x87, 0x28, 0x62, 0x9E, 0xA9, 0xA8, 0x7E, 0xFE, 0xA0, 0x40, 0x78, 0x30, 0x22,
0x94, 0x19, 0xAF, 0x4A, 0xFC, 0x37, 0x01, 0xD6, 0x80, 0x5E, 0xE0, 0x38, 0x48, 0x12, 0xB6, 0x8D,
0xB6, 0xE5, 0xB6, 0xCB, 0x36, 0xD7, 0x56, 0xDE, 0xBE, 0xD8, 0x70, 0x5A, 0xA4, 0x3B, 0x3B, 0x53,
0x53, 0x7D, 0xFD, 0xE1, 0x81, 0x88, 0x60, 0x66, 0xA8, 0x2A, 0xFE, 0x9F, 0x00, 0x68, 0x00, 0x2E,
0x80, 0x1C, 0x60, 0x09, 0xE8, 0x06, 0xCE, 0x82, 0xD4, 0x61, 0x9F, 0x68, 0x68, 0x2E, 0xAE, 0x9C,
0x7C, 0x69, 0xE1, 0xEE, 0xC8, 0x4C, 0x56, 0xB5, 0xFE, 0xF7, 0x00, 0x46, 0x80, 0x32, 0xE0, 0x15,
0x88, 0x0F, 0x26, 0x84, 0x1A, 0xE3, 0x4B, 0x09, 0xF7, 0x46, 0xC6, 0xB2, 0xD2, 0xF5, 0x9D, 0x87,
0x29, 0xA2, 0x9E, 0xF9, 0xA8, 0x42, 0xFE, 0xB1, 0x80, 0x74, 0x60, 0x27, 0x68, 0x1A, 0xAE, 0x8B,
0x3C, 0x67, 0x51, 0xEA, 0xBC, 0x4F, 0x31, 0xF4, 0x14, 0x47, 0x4F, 0x72, 0xB4, 0x25, 0xB7, 0x5B,
0x36, 0xBB, 0x56, 0xF3, 0x7E, 0xC5, 0xE0, 0x53, 0x08, 0x3D, 0xC6, 0x91, 0x92, 0xEC, 0x6D, 0x8D,
0xED, 0xA5, 0x8D, 0xBB, 0x25, 0xB3, 0x5B, 0x35, 0xFB, 0x57, 0x03, 0x7E, 0x81, 0xE0, 0x60, 0x48,
0x28, 0x36, 0x9E, 0x96, 0xE8, 0x6E, 0xCE, 0xAC, 0x54, 0x7D, 0xFF, 0x61, 0x80, 0x28, 0x60, 0x1E,
0xA8, 0x08, 0x7E, 0x86, 0xA0, 0x62, 0xF8, 0x29, 0x82, 0x9E, 0xE1, 0xA8, 0x48, 0x7E, 0xB6, 0xA0,
0x76, 0xF8, 0x26, 0xC2, 0x9A, 0xD1, 0xAB, 0x1C, 0x7F, 0x49, 0xE0, 0x36, 0xC8, 0x16, 0xD6, 0x8E,
0xDE, 0xE4, 0x58, 0x4B, 0x7A, 0xB7, 0x63, 0x36, 0xA9, 0xD6, 0xFE, 0xDE, 0xC0, 0x58, 0x50, 0x3A,
0xBC, 0x13, 0x31, 0xCD, 0xD4, 0x55, 0x9F, 0x7F, 0x28, 0x20, 0x1E, 0x98, 0x08, 0x6A, 0x86, 0xAF,
0x22, 0xFC, 0x19, 0x81, 0xCA, 0xE0, 0x57, 0x08, 0x3E, 0x86, 0x90, 0x62, 0xEC, 0x29, 0x8D, 0xDE,
0xE5, 0x98, 0x4B, 0x2A, 0xB7, 0x5F, 0x36, 0xB8, 0x16, 0xF2, 0x8E, 0xC5, 0xA4, 0x53, 0x3B, 0x7D,
0xD3, 0x61, 0x9D, 0xE8, 0x69, 0x8E, 0xAE, 0xE4, 0x7C, 0x4B, 0x61, 0xF7, 0x68, 0x46, 0xAE, 0xB2,
0xFC, 0x75, 0x81, 0xE7, 0x20, 0x4A, 0x98, 0x37, 0x2A, 0x96, 0x9F, 0x2E, 0xE8, 0x1C, 0x4E, 0x89,
0xF4, 0x66, 0xC7, 0x6A, 0xD2, 0xAF, 0x1D, 0xBC, 0x09, 0xB1, 0xC6, 0xF4, 0x52, 0xC7, 0x7D, 0x92,
0xA1, 0xAD, 0xB8, 0x7D, 0xB2, 0xA1, 0xB5, 0xB8, 0x77, 0x32, 0xA6, 0x95, 0xBA, 0xEF, 0x33, 0x0C,
0x15, 0xC5, 0xCF, 0x13, 0x14, 0x0D, 0xCF, 0x45, 0x94, 0x33, 0x2F, 0x55, 0xDC, 0x3F, 0x19, 0xD0,
0x0A, 0xDC, 0x07, 0x19, 0xC2, 0x8A, 0xD1, 0xA7, 0x1C, 0x7A, 0x89, 0xE3, 0x26, 0xC9, 0xDA, 0xD6,
0xDB, 0x1E, 0xDB, 0x48, 0x5B, 0x76, 0xBB, 0x66, 0xF3, 0x6A, 0xC5, 0xEF, 0x13, 0x0C, 0x0D, 0xC5,
0xC5, 0x93, 0x13, 0x2D, 0xCD, 0xDD, 0x95, 0x99, 0xAF, 0x2A, 0xFC, 0x1F, 0x01, 0xC8, 0x00, 0x56,
0x80, 0x3E, 0xE0, 0x10, 0x48, 0x0C, 0x36, 0x85, 0xD6, 0xE3, 0x1E, 0xC9, 0xC8, 0x56, 0xD6, 0xBE,
0xDE, 0xF0, 0x58, 0x44, 0x3A, 0xB3, 0x53, 0x35, 0xFD, 0xD7, 0x01, 0x9E, 0x80, 0x68, 0x60, 0x2E,
0xA8, 0x1C, 0x7E, 0x89, 0xE0, 0x66, 0xC8, 0x2A, 0xD6, 0x9F, 0x1E, 0xE8, 0x08, 0x4E, 0x86, 0xB4,
0x62, 0xF7, 0x69, 0x86, 0xAE, 0xE2, 0xFC, 0x49, 0x81, 0xF6, 0xE0, 0x46, 0xC8, 0x32, 0xD6, 0x95,
0x9E, 0xEF, 0x28, 0x4C, 0x1E, 0xB5, 0xC8, 0x77, 0x16, 0xA6, 0x8E, 0xFA, 0xE4, 0x43, 0x0B, 0x71,
0xC7, 0x64, 0x52, 0xAB, 0x7D, 0xBF, 0x61, 0xB0, 0x28, 0x74, 0x1E, 0xA7, 0x48, 0x7A, 0xB6, 0xA3,
0x36, 0xF9, 0xD6, 0xC2, 0xDE, 0xD1, 0x98, 0x5C, 0x6A, 0xB9, 0xEF, 0x32, 0xCC, 0x15, 0x95, 0xCF,
0x2F, 0x14, 0x1C, 0x0F, 0x49, 0xC4, 0x36, 0xD3, 0x56, 0xDD, 0xFE, 0xD9, 0x80, 0x5A, 0xE0, 0x3B,
0x08, 0x13, 0x46, 0x8D, 0xF2, 0xE5, 0x85, 0x8B, 0x23, 0x27, 0x59, 0xDA, 0xBA, 0xDB, 0x33, 0x1B,
0x55, 0xCB, 0x7F, 0x17, 0x60, 0x0E, 0xA8, 0x04, 0x7E, 0x83, 0x60, 0x61, 0xE8, 0x28, 0x4E, 0x9E,
0xB4, 0x68, 0x77, 0x6E, 0xA6, 0xAC, 0x7A, 0xFD, 0xE3, 0x01, 0x89, 0xC0, 0x66, 0xD0, 0x2A, 0xDC,
0x1F, 0x19, 0xC8, 0x0A, 0xD6, 0x87, 0x1E, 0xE2, 0x88, 0x49, 0xA6, 0xB6, 0xFA, 0xF6, 0xC3, 0x06,
0xD1, 0xC2, 0xDC, 0x51, 0x99, 0xFC, 0x6A, 0xC1, 0xEF, 0x10, 0x4C, 0x0C, 0x35, 0xC5, 0xD7, 0x13,
0x1E, 0x8D, 0xC8, 0x65, 0x96, 0xAB, 0x2E, 0xFF, 0x5C, 0x40, 0x39, 0xF0, 0x12, 0xC4, 0x0D, 0x93,
0x45, 0xAD, 0xF3, 0x3D, 0x85, 0xD1, 0xA3, 0x1C, 0x79, 0xC9, 0xE2, 0xD6, 0xC9, 0x9E, 0xD6, 0xE8,
0x5E, 0xCE, 0xB8, 0x54, 0x72, 0xBF, 0x65, 0xB0, 0x2B, 0x34, 0x1F, 0x57, 0x48, 0x3E, 0xB6, 0x90,
0x76, 0xEC, 0x26, 0xCD, 0xDA, 0xD5, 0x9B, 0x1F, 0x2B, 0x48, 0x1F, 0x76, 0x88, 0x26, 0xE6, 0x9A,
0xCA, 0xEB, 0x17, 0x0F, 0x4E, 0x84, 0x34, 0x63, 0x57, 0x69, 0xFE, 0xAE, 0xC0, 0x7C, 0x50, 0x21,
0xFC, 0x18, 0x41, 0xCA, 0xB0, 0x57, 0x34, 0x3E, 0x97, 0x50, 0x6E, 0xBC, 0x2C, 0x71, 0xDD, 0xE4,
0x59, 0x8B, 0x7A, 0xE7, 0x63, 0x0A, 0xA9, 0xC7, 0x3E, 0xD2, 0x90, 0x5D, 0xAC, 0x39, 0xBD, 0xD2,
0xF1, 0x9D, 0x84, 0x69, 0xA3, 0x6E, 0xF9, 0xEC, 0x42, 0xCD, 0xF1, 0x95, 0x84, 0x6F, 0x23, 0x6C,
0x19, 0xED, 0xCA, 0xCD, 0x97, 0x15, 0xAE, 0x8F, 0x3C, 0x64, 0x11, 0xEB, 0x4C, 0x4F, 0x75, 0xF4,
0x27, 0x07, 0x5A, 0x82, 0xBB, 0x21, 0xB3, 0x58, 0x75, 0xFA, 0xA7, 0x03, 0x3A, 0x81, 0xD3, 0x20,
0x5D, 0xD8, 0x39, 0x9A, 0x92, 0xEB, 0x2D, 0x8F, 0x5D, 0xA4, 0x39, 0xBB, 0x52, 0xF3, 0x7D, 0x85,
0xE1, 0xA3, 0x08, 0x79, 0xC6, 0xA2, 0xD2, 0xF9, 0x9D, 0x82, 0xE9, 0xA1, 0x8E, 0xF8, 0x64, 0x42,
0xAB, 0x71, 0xBF, 0x64, 0x70, 0x2B, 0x64, 0x1F, 0x6B, 0x48, 0x2F, 0x76, 0x9C, 0x26, 0xE9, 0xDA,
0xCE, 0xDB, 0x14, 0x5B, 0x4F, 0x7B, 0x74, 0x23, 0x67, 0x59, 0xEA, 0xBA, 0xCF, 0x33, 0x14, 0x15,
0xCF, 0x4F, 0x14, 0x34, 0x0F, 0x57, 0x44, 0x3E, 0xB3, 0x50, 0x75, 0xFC, 0x27, 0x01, 0xDA, 0x80,
0x5B, 0x20, 0x3B, 0x58, 0x13, 0x7A, 0x8D, 0xE3, 0x25, 0x89, 0xDB, 0x26, 0xDB, 0x5A, 0xDB, 0x7B,
0x1B, 0x63, 0x4B, 0x69, 0xF7, 0x6E, 0xC6, 0xAC, 0x52, 0xFD, 0xFD, 0x81, 0x81, 0xA0, 0x60, 0x78,
0x28, 0x22, 0x9E, 0x99, 0xA8, 0x6A, 0xFE, 0xAF, 0x00, 0x7C, 0x00, 0x21, 0xC0, 0x18, 0x50, 0x0A,
0xBC, 0x07, 0x31, 0xC2, 0x94, 0x51, 0xAF, 0x7C, 0x7C, 0x21, 0xE1, 0xD8, 0x48, 0x5A, 0xB6, 0xBB,
0x36, 0xF3, 0x56, 0xC5, 0xFE, 0xD3, 0x00, 0x5D, 0xC0, 0x39, 0x90, 0x12, 0xEC, 0x0D, 0x8D, 0xC5,
0xA5, 0x93, 0x3B, 0x2D, 0xD3, 0x5D, 0x9D, 0xF9, 0xA9, 0x82, 0xFE, 0xE1, 0x80, 0x48, 0x60, 0x36,
0xA8, 0x16, 0xFE, 0x8E, 0xC0, 0x64, 0x50, 0x2B, 0x7C, 0x1F, 0x61, 0xC8, 0x28, 0x56, 0x9E, 0xBE,
0xE8, 0x70, 0x4E, 0xA4, 0x34, 0x7B, 0x57, 0x63, 0x7E, 0xA9, 0xE0, 0x7E, 0xC8, 0x20, 0x56, 0x98,
0x3E, 0xEA, 0x90, 0x4F, 0x2C, 0x34, 0x1D, 0xD7, 0x49, 0x9E, 0xB6, 0xE8, 0x76, 0xCE, 0xA6, 0xD4,
0x7A, 0xDF, 0x63, 0x18, 0x29, 0xCA, 0x9E, 0xD7, 0x28, 0x5E, 0x9E, 0xB8, 0x68, 0x72, 0xAE, 0xA5,
0xBC, 0x7B, 0x31, 0xE3, 0x54, 0x49, 0xFF, 0x76, 0xC0, 0x26, 0xD0, 0x1A, 0xDC, 0x0B, 0x19, 0xC7,
0x4A, 0xD2, 0xB7, 0x1D, 0xB6, 0x89, 0xB6, 0xE6, 0xF6, 0xCA, 0xC6, 0xD7, 0x12, 0xDE, 0x8D, 0x98,
0x65, 0xAA, 0xAB, 0x3F, 0x3F, 0x50, 0x10, 0x3C, 0x0C, 0x11, 0xC5, 0xCC, 0x53, 0x15, 0xFD, 0xCF,
0x01, 0x94, 0x00, 0x6F, 0x40, 0x2C, 0x30, 0x1D, 0xD4, 0x09, 0x9F, 0x46, 0xE8, 0x32, 0xCE, 0x95,
0x94, 0x6F, 0x2F, 0x6C, 0x1C, 0x2D, 0xC9, 0xDD, 0x96, 0xD9, 0xAE, 0xDA, 0xFC, 0x5B, 0x01, 0xFB,
0x40, 0x43, 0x70, 0x31, 0xE4, 0x14, 0x4B, 0x4F, 0x77, 0x74, 0x26, 0xA7, 0x5A, 0xFA, 0xBB, 0x03,
0x33, 0x41, 0xD5, 0xF0, 0x5F, 0x04, 0x38, 0x03, 0x52, 0x81, 0xFD, 0xA0, 0x41, 0xB8, 0x30, 0x72,
0x94, 0x25, 0xAF, 0x5B, 0x3C, 0x3B, 0x51, 0xD3, 0x7C, 0x5D, 0xE1, 0xF9, 0x88, 0x42, 0xE6, 0xB1,
0x8A, 0xF4, 0x67, 0x07, 0x6A, 0x82, 0xAF, 0x21, 0xBC, 0x18, 0x71, 0xCA, 0xA4, 0x57, 0x3B, 0x7E,
0x93, 0x60, 0x6D, 0xE8, 0x2D, 0x8E, 0x9D, 0xA4, 0x69, 0xBB, 0x6E, 0xF3, 0x6C, 0x45, 0xED, 0xF3,
0x0D, 0x85, 0xC5, 0xA3, 0x13, 0x39, 0xCD, 0xD2, 0xD5, 0x9D, 0x9F, 0x29, 0xA8, 0x1E, 0xFE, 0x88,
0x40, 0x66, 0xB0, 0x2A, 0xF4, 0x1F, 0x07, 0x48, 0x02, 0xB6, 0x81, 0xB6, 0xE0, 0x76, 0xC8, 0x26,
0xD6, 0x9A, 0xDE, 0xEB, 0x18, 0x4F, 0x4A, 0xB4, 0x37, 0x37, 0x56, 0x96, 0xBE, 0xEE, 0xF0, 0x4C,
0x44, 0x35, 0xF3, 0x57, 0x05, 0xFE, 0x83, 0x00, 0x61, 0xC0, 0x28, 0x50, 0x1E, 0xBC, 0x08, 0x71,
0xC6, 0xA4, 0x52, 0xFB, 0x7D, 0x83, 0x61, 0xA1, 0xE8, 0x78, 0x4E, 0xA2, 0xB4, 0x79, 0xB7, 0x62,
0xF6, 0xA9, 0x86, 0xFE, 0xE2, 0xC0, 0x49, 0x90, 0x36, 0xEC, 0x16, 0xCD, 0xCE, 0xD5, 0x94, 0x5F,
0x2F, 0x78, 0x1C, 0x22, 0x89, 0xD9, 0xA6, 0xDA, 0xFA, 0xDB, 0x03, 0x1B, 0x41, 0xCB, 0x70, 0x57,
0x64, 0x3E, 0xAB, 0x50, 0x7F, 0x7C, 0x20, 0x21, 0xD8, 0x18, 0x5A, 0x8A, 0xBB, 0x27, 0x33, 0x5A,
0x95, 0xFB, 0x2F, 0x03, 0x5C, 0x01, 0xF9, 0xC0, 0x42, 0xD0, 0x31, 0x9C, 0x14, 0x69, 0xCF, 0x6E,
0xD4, 0x2C, 0x5F, 0x5D, 0xF8, 0x39, 0x82, 0x92, 0xE1, 0xAD, 0x88, 0x7D, 0xA6, 0xA1, 0xBA, 0xF8,
0x73, 0x02, 0xA5, 0xC1, 0xBB, 0x10, 0x73, 0x4C, 0x25, 0xF5, 0xDB, 0x07, 0x1B, 0x42, 0x8B, 0x71,
0xA7, 0x64, 0x7A, 0xAB, 0x63, 0x3F, 0x69, 0xD0, 0x2E, 0xDC, 0x1C, 0x59, 0xC9, 0xFA, 0xD6, 0xC3,
0x1E, 0xD1, 0xC8, 0x5C, 0x56, 0xB9, 0xFE, 0xF2, 0xC0, 0x45, 0x90, 0x33, 0x2C, 0x15, 0xDD, 0xCF,
0x19, 0x94, 0x0A, 0xEF, 0x47, 0x0C, 0x32, 0x85, 0xD5, 0xA3, 0x1F, 0x39, 0xC8, 0x12, 0xD6, 0x8D,
0x9E, 0xE5, 0xA8, 0x4B, 0x3E, 0xB7, 0x50, 0x76, 0xBC, 0x26, 0xF1, 0xDA, 0xC4, 0x5B, 0x13, 0x7B,
0x4D, 0xE3, 0x75, 0x89, 0xE7, 0x26, 0xCA, 0x9A, 0xD7, 0x2B, 0x1E, 0x9F, 0x48, 0x68, 0x36, 0xAE,
0x96, 0xFC, 0x6E, 0xC1, 0xEC, 0x50, 0x4D, 0xFC, 0x35, 0x81, 0xD7, 0x20, 0x5E, 0x98, 0x38, 0x6A,
0x92, 0xAF, 0x2D, 0xBC, 0x1D, 0xB1, 0xC9, 0xB4, 0x56, 0xF7, 0x7E, 0xC6, 0xA0, 0x52, 0xF8, 0x3D,
0x82, 0x91, 0xA1, 0xAC, 0x78, 0x7D, 0xE2, 0xA1, 0x89, 0xB8, 0x66, 0xF2, 0xAA, 0xC5, 0xBF, 0x13,
0x30, 0x0D, 0xD4, 0x05, 0x9F, 0x43, 0x28, 0x31, 0xDE, 0x94, 0x58, 0x6F, 0x7A, 0xAC, 0x23, 0x3D,
0xD9, 0xD1, 0x9A, 0xDC, 0x6B, 0x19, 0xEF, 0x4A, 0xCC, 0x37, 0x15, 0xD6, 0x8F, 0x1E, 0xE4, 0x08,
0x4B, 0x46, 0xB7, 0x72, 0xF6, 0xA5, 0x86, 0xFB, 0x22, 0xC3, 0x59, 0x91, 0xFA, 0xEC, 0x43, 0x0D,
0xF1, 0xC5, 0x84, 0x53, 0x23, 0x7D, 0xD9, 0xE1, 0x9A, 0xC8, 0x6B, 0x16, 0xAF, 0x4E, 0xFC, 0x34,
0x41, 0xD7, 0x70, 0x5E, 0xA4, 0x38, 0x7B, 0x52, 0xA3, 0x7D, 0xB9, 0xE1, 0xB2, 0xC8, 0x75, 0x96,
0xA7, 0x2E, 0xFA, 0x9C, 0x43, 0x29, 0xF1, 0xDE, 0xC4, 0x58, 0x53, 0x7A, 0xBD, 0xE3, 0x31, 0x89,
0xD4, 0x66, 0xDF, 0x6A, 0xD8, 0x2F, 0x1A, 0x9C, 0x0B, 0x29, 0xC7, 0x5E, 0xD2, 0xB8, 0x5D, 0xB2,
0xB9, 0xB5, 0xB2, 0xF7, 0x35, 0x86, 0x97, 0x22, 0xEE, 0x99, 0x8C, 0x6A, 0xE5, 0xEF, 0x0B, 0x0C,
0x07, 0x45, 0xC2, 0xB3, 0x11, 0xB5, 0xCC, 0x77, 0x15, 0xE6, 0x8F, 0x0A, 0xE4, 0x07, 0x0B, 0x42,
0x87, 0x71, 0xA2, 0xA4, 0x79, 0xBB, 0x62, 0xF3, 0x69, 0x85, 0xEE, 0xE3, 0x0C, 0x49, 0xC5, 0xF6,
0xD3, 0x06, 0xDD, 0xC2, 0xD9, 0x91, 0x9A, 0xEC, 0x6B, 0x0D, 0xEF, 0x45, 0x8C, 0x33, 0x25, 0xD5,
0xDB, 0x1F, 0x1B, 0x48, 0x0B, 0x76, 0x87, 0x66, 0xE2, 0xAA, 0xC9, 0xBF, 0x16, 0xF0, 0x0E, 0xC4,
0x04, 0x53, 0x43, 0x7D, 0xF1, 0xE1, 0x84, 0x48, 0x63, 0x76, 0xA9, 0xE6, 0xFE, 0xCA, 0xC0, 0x57,
0x10, 0x3E, 0x8C, 0x10, 0x65, 0xCC, 0x2B, 0x15, 0xDF, 0x4F, 0x18, 0x34, 0x0A, 0x97, 0x47, 0x2E,
0xB2, 0x9C, 0x75, 0xA9, 0xE7, 0x3E, 0xCA, 0x90, 0x57, 0x2C, 0x3E, 0x9D, 0xD0, 0x69, 0x9C, 0x2E,
0xE9, 0xDC, 0x4E, 0xD9, 0xF4, 0x5A, 0xC7, 0x7B, 0x12, 0xA3, 0x4D, 0xB9, 0xF5, 0xB2, 0xC7, 0x35,
0x92, 0x97, 0x2D, 0xAE, 0x9D, 0xBC, 0x69, 0xB1, 0xEE, 0xF4, 0x4C, 0x47, 0x75, 0xF2, 0xA7, 0x05,
0xBA, 0x83, 0x33, 0x21, 0xD5, 0xD8, 0x5F, 0x1A, 0xB8, 0x0B, 0x32, 0x87, 0x55, 0xA2, 0xBF, 0x39,
0xB0, 0x12, 0xF4, 0x0D, 0x87, 0x45, 0xA2, 0xB3, 0x39, 0xB5, 0xD2, 0xF7, 0x1D, 0x86, 0x89, 0xA2,
0xE6, 0xF9, 0x8A, 0xC2, 0xE7, 0x11, 0x8A, 0x8C, 0x67, 0x25, 0xEA, 0x9B, 0x0F, 0x2B, 0x44, 0x1F,
0x73, 0x48, 0x25, 0xF6, 0x9B, 0x06, 0xEB, 0x42, 0xCF, 0x71, 0x94, 0x24, 0x6F, 0x5B, 0x6C, 0x3B,
0x6D, 0xD3, 0x6D, 0x9D, 0xED, 0xA9, 0x8D, 0xBE, 0xE5, 0xB0, 0x4B, 0x34, 0x37, 0x57, 0x56, 0xBE,
0xBE, 0xF0, 0x70, 0x44, 0x24, 0x33, 0x5B, 0x55, 0xFB, 0x7F, 0x03, 0x60, 0x01, 0xE8, 0x00, 0x4E,
0x80, 0x34, 0x60, 0x17, 0x68, 0x0E, 0xAE, 0x84, 0x7C, 0x63, 0x61, 0xE9, 0xE8, 0x4E, 0xCE, 0xB4,
0x54, 0x77, 0x7F, 0x66, 0xA0, 0x2A, 0xF8, 0x1F, 0x02, 0x88, 0x01, 0xA6, 0x80, 0x7A, 0xE0, 0x23,
0x08, 0x19, 0xC6, 0x8A, 0xD2, 0xE7, 0x1D, 0x8A, 0x89, 0xA7, 0x26, 0xFA, 0x9A, 0xC3, 0x2B, 0x11,
0xDF, 0x4C, 0x58, 0x35, 0xFA, 0x97, 0x03, 0x2E, 0x81, 0xDC, 0x60, 0x59, 0xE8, 0x3A, 0xCE, 0x93,
0x14, 0x6D, 0xCF, 0x6D, 0x94, 0x2D, 0xAF, 0x5D, 0xBC, 0x39, 0xB1, 0xD2, 0xF4, 0x5D, 0x87, 0x79,
0xA2, 0xA2, 0xF9, 0xB9, 0x82, 0xF2, 0xE1, 0x85, 0x88, 0x63, 0x26, 0xA9, 0xDA, 0xFE, 0xDB, 0x00,
0x5B, 0x40, 0x3B, 0x70, 0x13, 0x64, 0x0D, 0xEB, 0x45, 0x8F, 0x73, 0x24, 0x25, 0xDB, 0x5B, 0x1B,
0x7B, 0x4B, 0x63, 0x77, 0x69, 0xE6, 0xAE, 0xCA, 0xFC, 0x57, 0x01, 0xFE, 0x80, 0x40, 0x60, 0x30

FILE *fp;

void main()

unsigned char buffer[SECTORSIZE];

if((fp=fopen("ALLWEAK", "wb+"))==NULL)

Error creating file ALLWEAK


Creating weak sector file…");

unsigned char low, high;

for (unsigned int i=0; i &lt; 0xFFFF; i++)
	low = i & 0xFF;
	high = i &gt;&gt; 8;

	for (int m=0;m&lt;SECTORSIZE; m+=2)
		buffer[m] = high ^ sector_scramble[m];
		buffer[m+1] = low ^ sector_scramble[m+1];

	fwrite(buffer, sizeof (buffer), 1, fp);


This seems to be the same thing as efmgame, except that efmgame does each sector 5 times.

With only testing each sector once, your test is not really good:
A badly written weak sector makes the sector before and after also unreadable.
I think I can predict whether a 1- or 2-sheep writer can write a certain pattern or not without actually burning it…

I’ve tested some patterns on my own some time ago, and, as expected, the LiteOns can’t write 7AB9, 01B9, 7C12.

So if i were to make an image with every weak sector separated by 4 normal sectors, would it be more reliable at determining the weak sectors that a particular writer cant write? the layout would be 4 good sectors, WEAK sector, 4 good sectors, WEAK sector, etc?


BTW: You don’t need every pattern. E.g. 01B9 is exactly the same as B901…and if I find the time, I’ll try to give a general algorithm how to make a veriety of weak sectors from irregular patterns.

> So if i were to make an image with every weak sector separated by 4 normal sectors,
> would it be more reliable at determining the weak sectors that a particular
> writer cant write?

Not much, to really see the effect of the weak sectors you need to repeat them
several times. Also no need to burn every possible repetitive patterns, not all
of them are “weak” (see old threads).

Well, there’s no real need to burn all, but it won’t do any damage to the test either.
And Mode2CDMaker code contains a scrambler. No need to make an own one :slight_smile: