{"product_id":"inside-atari-dos","title":"Inside  Atari DOS","description":"\u003cdiv\u003e\n\u003cdiv class=\"overflow-hidden text-text-secondary mb-6\"\u003e\n\u003cp class=\"select-text break-words typo-markdown\"\u003eA review of the 1980s book 'Inside Atari DOS' by Bill Wilkinson, which documented the Atari Disk Operating System through detailed explanations and commented assembly source code. The book covered DOS routines, commands, and the complete DOS 2.0S source listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"overflow-hidden text-text-secondary mb-6\"\u003e\n\u003cp class=\"select-text break-words typo-markdown\"\u003eAtari DOS split into two components: FMS (DOS.SYS) for file management and DUP.SYS for the menu system, managing 720-sector disks with 128-byte sectors (90K total). The system used a VTOC for sector tracking and stored file directories in sectors 361-368, with various DOS versions maintaining backward compatibility through the same disk format.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003eDisclaimers:\u003cbr\u003eThe product images shown are for illustration purposes only and may not be an exact representation of the product received.\u003cbr\u003e\u003c\/p\u003e","brand":"Retro Raven Games","offers":[{"title":"Default Title","offer_id":50500021223665,"sku":null,"price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/0680\/7341\/files\/insideatariDOS.jpg?v=1790345469","url":"https:\/\/retroravengames.com\/products\/inside-atari-dos","provider":"Retro Raven Games","version":"1.0","type":"link"}