Changes
/* FDC Track Format */
The CRC is initialised to FFFF. It is updated byte by byte and uses the CCITT-CRC16 algorithm. It is written after the ID and data fields in big-endian format (high byte first and then low byte).
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== Floppy disk format specification ==
There are 4 standard formats on CPC, with the following characteristics:
{| class="wikitable" style="text-align: center;"
! FORMAT !! DATA !! VENDOR or SYSTEM !! IBM
|-
| Sector size || colspan="3" | &02 (512 bytes)
|-
| Number of sectors || colspan="2" | 9 || 8
|-
| Sector names || &C1 to &C9 || &41 to &49 || &01 to &08
|-
| Formatting byte || colspan="3" | &E5
|-
| Starting track || colspan="3" | 00
|-
| Ending track || colspan="3" | 39
|-
| Catalog position || Track 0: sectors &C1 to &C4 || Track 2: sectors &41 to &44 || Track 1: sectors &01 to &04
|-
| Catalog size || colspan="3" | 2 KB
|-
| Catalog entries || colspan="3" | 64 max
|-
| Size per side || 178 KB || 169 KB || 154 KB
|-
| Diskette size || 356 KB || 338 KB || 308 KB
|}
The SYSTEM format is a VENDOR format with the addition of information to BOOT the CP/M on:
* Track 0: sectors &41, &42, &48, &49
* Track 1: sectors &41, &46, &42, &47, &43, &48, &44, &49, &45
Type |CPM and you will find yourself under CP/M 2.2.
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