{"id":728,"date":"2014-12-29T12:00:45","date_gmt":"2014-12-29T20:00:45","guid":{"rendered":"http:\/\/www.pagetable.com\/?p=728"},"modified":"2014-12-29T12:00:45","modified_gmt":"2014-12-29T20:00:45","slug":"fully-commented-commodore-64-basic-rom-disassembly-based-on-applesoft","status":"publish","type":"post","link":"https:\/\/www.pagetable.com\/?p=728","title":{"rendered":"Fully Commented Commodore 64 BASIC ROM Disassembly \u2013 based on Applesoft!"},"content":{"rendered":"<p>In our series about C64 ROM commentaries (<a href=\"http:\/\/www.pagetable.com\/?p=726\">English version by Lee Davison<\/a>, <a href=\"http:\/\/www.pagetable.com\/?p=718\">German version by Data Becker<\/a>), I&#8217;m now presenting a most unusual C64 ROM commentary &#8211; based on a commented disassembly of the Apple II ROM.<\/p>\n<p>&#8220;<a href=\"http:\/\/www.txbobsc.com\/scsc\/scdocumentor\/\">S-C DocuMentor for Applesoft<\/a>&#8221; is a commented disassembly of the BASIC ROM of the Apple II computer. Like Commodore BASIC, &#8220;Applesoft&#8221; BASIC is based on Microsoft BASIC for 6502, but on an <a href=\"http:\/\/www.pagetable.com\/?p=46\">older revision<\/a>. Since the two BASIC interpreters are almost the same instruction for instruction (modulo some command extensions on both sides), the commentary translated over very nicely.<\/p>\n<p>The cross-referenced HTML version of the &#8220;S-C C64 BASIC Disassembly&#8221; is available here at <a href=\"http:\/\/www.pagetable.com\/c64rom\">pagetable.com\/c64rom<\/a>.<\/a><\/p>\n<p>The raw txt files of all commentaries are maintained at <a href=\"https:\/\/github.com\/mist64\/c64disasm\">github.com\/mist64\/c64disasm<\/a>. Fixes and additions happily accepted!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In our series about C64 ROM commentaries (English version by Lee Davison, German version by Data Becker), I&#8217;m now presenting a most unusual C64 ROM commentary &#8211; based on a commented disassembly of the Apple II ROM. &#8220;S-C DocuMentor for Applesoft&#8221; is a commented disassembly of the BASIC ROM of the Apple II computer. Like &#8230; <a title=\"Fully Commented Commodore 64 BASIC ROM Disassembly \u2013 based on Applesoft!\" class=\"read-more\" href=\"https:\/\/www.pagetable.com\/?p=728\" aria-label=\"Read more about Fully Commented Commodore 64 BASIC ROM Disassembly \u2013 based on Applesoft!\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4,5,6,41,8],"tags":[],"class_list":["post-728","post","type-post","status-publish","format-standard","hentry","category-2","category-apple","category-archeology","category-basic","category-c64","category-commodore"],"_links":{"self":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/posts\/728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=728"}],"version-history":[{"count":0,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=\/wp\/v2\/posts\/728\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pagetable.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}