{"product_id":"vic20-programmers-notebook","title":"VIC20 Programmer's Notebook","description":"\u003cp\u003eA guidebook for programming the commodore VIC20. It has a collection of programming techniques, hints and kinks, tricks, subroutines, and shortcuts.\u003cbr\u003e\n¥ Explains procedures for adding memory and error trapping.\u003cbr\u003e\n¥ Proclaims that KERNAL is the officer in charge of the VIC 20.\u003cbr\u003e\n¥ States that two of the most powerfu I commands are PEEK and POKE.\u003cbr\u003e\n¥ Discusses the main functions for handling data: ASC, CHR$, LEFT$, LEN, MID$, RIGHT$, STR$, VAL, concatenation, parsing data, finding buried data, bubble sort, and Sheil-Metzner sort.\u003cbr\u003e\n¥ Explains methods of combining graphics, color, and sound. ¥ Covers ioystick, paddles, and light pen.\u003cbr\u003e\n¥ Discusses privacy and program protection.\u003c\/p\u003e","brand":"Earl R. Savage","offers":[{"title":"Paperback","offer_id":44937307160737,"sku":"9781111143981","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/1y5v7n5m-front-shortedge-384_7122312c-3f8d-417e-b57a-9dc5c2fc3c08.jpg?v=1748623058","url":"https:\/\/bookswholesale.myshopify.com\/products\/vic20-programmers-notebook","provider":"BooksWholesale","version":"1.0","type":"link"}