dsktool
NIB File Format

A nib file is 232960 bytes long = 6656 bytes per track.

TRACK      OFFSET (HEX)    OFFSET (DECIMAL)
$00             $0              0
$01             $1a00           6656
$02             $3400           13312
$03             $4e00           19968
$04             $6800           26624
$05             $8200           33280
$06             $9c00           39936
$07             $b600           46592
$08             $d000           53248
$09             $ea00           59904
$0a             $10400          66560
$0b             $11e00          73216
$0c             $13800          79872
$0d             $15200          86528
$0e             $16c00          93184
$0f             $18600          99840
$10             $1a000          106496
$11             $1ba00          113152
$12             $1d400          119808
$13             $1ee00          126464
$14             $20800          133120
$15             $22200          139776
$16             $23c00          146432
$17             $25600          153088
$18             $27000          159744
$19             $28a00          166400
$1a             $2a400          173056
$1b             $2be00          179712
$1c             $2d800          186368
$1d             $2f200          193024
$1e             $30c00          199680
$1f             $32600          206336
$20             $34000          212992
$21             $35a00          219648
$22             $37400          226304