Commodore 64 - Editing Tips; Variables

DISK FORMATS
2040/3040 BAM & HEADER.
Track 18, Sector 00.
BYTE CONTENTS DEFINITION
0-1 18,1
2 1
3 O 4-143
144-161 - 162-163 - 164-170 160
171-255 O
Track and sector of first directory block.
Indicates DOS 1.
NULL flag.
The BAM bit map of available blocks for tracks 1—35.
Reserved for disk name.
Reserved for disk ID.
Shifted SPACES.
Not used.