Conventions
DWORD - 32bit unsigned long (little endian)WORD - 16bit unsigned short (little endian)
BYTE - 8bit unsigned char
Header
16 bytes long.| Type | Name | Description |
|---|---|---|
| WORD | wMagic | $0296 (sum of 'NICKATARI') |
| WORD | wPars | size of this disk image, in paragraphs (size/$10) |
| WORD | wSecSize | sector size. ($80 or $100) bytes/sector |
| BYTE | btParsHigh | high part of size, in paragraphs (added by REV 3.00) |
| DWORD | dwCRC | 32bit CRC of file (added by APE?) |
| DWORD | dwUnused | unused |
| BYTE | btFlags | bit 0 (ReadOnly) (added by APE?) |
Body
Then there are continuous sectors. Some ATR files are incorrect - if sector size is > $80 first three sectors should be $80 long. But, few files have these sectors $100 long.Format was created by Nick Kennedy.
Back (c) 1998-2004 Jindroush Last modified: Sun Dec 5 19:32:02 1999