Class NADOLDisk
In: lib/NADOLDisk.rb
Parent: DSK
NADOLDisk DSK dot/f_9.png

Methods

add_file   delete_file   dump_catalog   file_system   find_catalog_slot   free_sector_list   get_track_sector_list   make_file   new   read_catalog   set_sector  

Public Class methods

Public Instance methods

add_file(file)

add a file to the in-memory image of this DSK

find_catalog_slot(filename)

iterate through the CATALOG to find either the named file or (if nil is passed in) an empty slot

free_sector_list()

iterate through the sector usage bitmap, return a list of [track,sector] for sectors marked available

get_track_sector_list(ts_list_track_no,ts_list_sector_no)

given a track and sector, treat it as a track/sector list and return an array containing track/sector pairs

read_catalog()

reads the catalog, and populate the "files" array with files CATALOG will be at track $00, sector $03 to track $00, sector $09 each entry consists of $10 bytes, which are: 

 00-0B - filename - if file is deleted, first byte will be FF
 0C-0D - filesize (low byte first)
 0E - track of track sector list sector
 0F - sector of track sector list sector

[Validate]