{"id":1190,"date":"2019-06-03T21:54:51","date_gmt":"2019-06-03T20:54:51","guid":{"rendered":"http:\/\/www.fenarinarsa.com\/?p=1190"},"modified":"2024-07-21T11:19:48","modified_gmt":"2024-07-21T10:19:48","slug":"apple-ii-reference-and-code-repositories","status":"publish","type":"post","link":"https:\/\/www.fenarinarsa.com\/?p=1190","title":{"rendered":"Apple II reference and code repositories"},"content":{"rendered":"\n<p>Here are some interesting resources if you want to code in assembler on Apple II.<br>This is absolutely not a complete list, your favorite search engine should give you a lot of results, but those are the websites that helped me the most.<br>Also, for generic 6502 algorithms, have a look at what the C64 scene can offer you!<\/p>\n\n\n\n<p>Update 21\/07\/2024: added Apple II Disks and Images<br>Update 07\/03\/2023: added another 6502 opcodes sheet<br>Update 07\/12\/2022: added FT social accounts, more hardware mods<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Social\" >Social<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Generic_6502_and_65C02_reference\" >Generic 6502 and 65C02 reference<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Tools\" >Tools<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Technical_reference\" >Technical reference<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Code_repositories\" >Code repositories<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Modern_hardware_upgrades_for_Apple_II\" >Modern hardware upgrades for Apple II<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\/#Apple_IIgs\" >Apple IIgs<\/a><\/li><\/ul><\/nav><\/div>\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Social\"><\/span>Social<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/prodos8.com\/apple2infinitum\/\">Apple II Infinitum<\/a><\/strong> &#8211; (Slack) The biggest international community<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/discord.gg\/wcZwgsb\">Apple II Touch<\/a><\/strong> &#8211; (Discord) French community<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/twitter.com\/AppleII_FR_UnGr\">Apple II French Underground<\/a><\/strong> &#8211; (Twitter) French cracktros<\/li>\n\n\n\n<li><a href=\"https:\/\/techhub.social\/@french_touch\"><strong>French Touch<\/strong><\/a> &#8211; (Mastodon) French demoscene group<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Generic_6502_and_65C02_reference\"><\/span>Generic 6502 and 65C02 reference<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/6502.org\/tutorials\/\"><strong>6502.org Tutorials<\/strong><\/a> &#8211; The reference site for 6502 and 65C02 CPUs<\/li>\n\n\n\n<li><a href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1JieMXu80L5D5I14SZkvrq6LlMEA3BFDWhx8NOqZzONw\/edit?usp=sharing\"><strong>6502\/65C02 opcode matrix<\/strong><\/a> &#8211; Useful sheet of all legal opcodes<\/li>\n\n\n\n<li><strong><a href=\"http:\/\/www.oxyron.de\/html\/opcodes02.html\">6502 opcode matrix<\/a><\/strong> &#8211; Another very good sheet with 6502 illegal opcodes<\/li>\n\n\n\n<li><a href=\"http:\/\/codebase64.org\/doku.php?id=base:6502_6510_maths\"><strong>Codebase64: 6502\/6510 maths<\/strong><\/a> &#8211; One of many C64 resources for 6502<\/li>\n\n\n\n<li><a href=\"https:\/\/nesdev.com\/6502_cpu.txt\"><strong>The NMOS 65xx\/85xx Instruction Set<\/strong><\/a> &#8211; With precise internal timings<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tools\"><\/span>Tools<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.wudsn.com\/index.php\/ide\"><\/a><a href=\"https:\/\/code.visualstudio.com\/\"><strong>Visual Studio Code<\/strong><\/a> &#8211; C64 extensions add support for 6502 syntax coloring<\/li>\n\n\n\n<li><a href=\"https:\/\/sourceforge.net\/projects\/acme-crossass\/\"><strong>acme cross-assembler<\/strong><\/a> &#8211; 6502 cross-compiler, used by French Touch<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.brutaldeluxe.fr\/products\/crossdevtools\/merlin\/\">Merlin 32 by Brutal Deluxe<\/a><\/strong> &#8211; The reference 6502\/65C816 cross-compiler for Apple II<\/li>\n\n\n\n<li><a href=\"https:\/\/cc65.github.io\/\"><strong>cc65 cross-assembler<\/strong><\/a> &#8211; 6502 cross-development full package<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/github.com\/Fr3nchT0uch\/AppleWin\/releases\">AppleWin FrenchTouch edition<\/a><\/strong> &#8211; With extended debugger<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/gitlab.com\/wiz21\/accurapple\">AccurApple<\/a><\/strong> &#8211; Cycle accurate Apple II emulator written in Rust, working on any OS<\/li>\n\n\n\n<li><a href=\"https:\/\/applecommander.github.io\/\"><strong>AppleCommander<\/strong><\/a> &#8211; A2 disk image utility (creation\/modification)<\/li>\n\n\n\n<li><a href=\"http:\/\/grafx2.chez.com\/\"><strong>GrafX2<\/strong><\/a> &#8211; Paint tool (Win\/Mac\/Linux), v2.6 supports RGB HGR and DHGR<\/li>\n\n\n\n<li><a href=\"http:\/\/adtpro.com\/\"><strong>ADTPro<\/strong><\/a> &#8211; PC\/Mac &lt;-&gt; A2 fast disk transfer tool through a null modem cable<\/li>\n\n\n\n<li><a href=\"http:\/\/www.appleoldies.ca\/bmp2dhr\/\"><strong>Bmp2DHR<\/strong><\/a> &#8211; BMP &lt;-&gt; DHGR\/DLGR converter for NTSC Apple II<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/8bitworkshop.com\/dithertron\/\">Dithertron<\/a><\/strong> &#8211; Image converter for a lot of 8\/16 bits computers including Apple II<\/li>\n\n\n\n<li><a href=\"https:\/\/www.wudsn.com\/index.php\/ide\"><strong>WUSDN IDE<\/strong><\/a> &#8211; Eclipse 6502 plugin that integrates compilers, emulators and disk tools<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Technical_reference\"><\/span>Technical reference<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/mirrors.apple2.org.za\/Apple%20II%20Documentation%20Project\/\"><strong>Apple II documentation project<\/strong><\/a> &#8211; Amazing archive of A2 tech reference: check index.txt!<\/li>\n\n\n\n<li><a href=\"https:\/\/archive.org\/details\/Understanding_the_Apple_IIe\"><strong>Understanding the Apple IIe<\/strong><\/a> &#8211; By Jim Sather, exhaustive analysis of the Apple IIe internals, a must read<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/archive.org\/details\/beneath-apple-dos-prodos-2020\">Beneath Apple DOS and Apple ProDOS 2020<\/a><\/strong> &#8211; Revised edition of those two absolute reference books<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.lonsteins.com\/posts\/apple2-disks-and-images\/\">Apple II Disks and Images<\/a><\/strong> &#8211; Disk image formats &amp; tools<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/tilleul\/apple2\/blob\/master\/tools\/bitmap editor\/apple2_hires.md\"><strong>Revisiting Apple ][ hires<\/strong><\/a> &#8211; HGR mode fully explained with code tips<\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Apple_II_graphics\"><strong>Apple II graphics<\/strong><\/a> &#8211; Good overview of A2&rsquo;s GR\/HGR modes<\/li>\n\n\n\n<li><a href=\"http:\/\/www.kreativekorp.com\/miscpages\/a2info\/iomemory.shtml\"><strong>John Relay&rsquo;s Apple II Archive &#8211; I\/O Memory<\/strong><\/a> &#8211; Cheat sheet for A2&rsquo;s hardware switches<\/li>\n\n\n\n<li><a href=\"http:\/\/www.battlestations.zone\/2017\/04\/apple-ii-double-hi-res-from-ground-up.html\"><strong>Apple II Double Hi-Res from the ground up<\/strong><\/a> &#8211; How to program DHGR<\/li>\n\n\n\n<li><a href=\"https:\/\/lukazi.blogspot.com\/2017\/03\/double-high-resolution-graphics-dhgr.html\"><strong>DHGR &#8211; Pushing limits<\/strong><\/a> &#8211; Very complete writing on the mess that is NTSC DHGR<\/li>\n\n\n\n<li><a href=\"https:\/\/fenarinarsa.com\/boutillon\/\"><strong>Apple Underground<\/strong><\/a><strong> <\/strong>(Mirror) (French) &#8211; Lot of information on Le Chat Mauve RGB cards, DHGR mixed-mode used in Extasie and differences between NTSC and PAL A2 <\/li>\n\n\n\n<li><strong><a href=\"http:\/\/www.hackzapple.com\/INDEX0.HTM\">HackzApple <\/a><\/strong>(French) &#8211; Lots of data on Apple II models, cards and software<\/li>\n\n\n\n<li><a href=\"http:\/\/www.deater.net\/weave\/vmwprod\/megademo\/\"><strong>Apple II 64k cycle counting megademo<\/strong><\/a> &#8211; Amazing demo for Apple II+ by VMW prod<\/li>\n\n\n\n<li><a href=\"http:\/\/fabiensanglard.net\/prince_of_persia\/index.php\"><strong>Prince of Persia Code review<\/strong><\/a> &#8211; A great introduction to Apple II architecture<\/li>\n\n\n\n<li><a href=\"https:\/\/www.fenarinarsa.com\/?p=1370\"><strong>Le Chat Mauve sur Apple II<\/strong><\/a> &#8211; (French) &#8211; List of all extended video modes of Le Chat Mauve RGB cards<\/li>\n\n\n\n<li><strong><a href=\"http:\/\/www.freepatentsonline.com\/4631692.html\">Video 7 RGB US Patent<\/a><\/strong> &#8211; Describes the RGB DHGR mixed mode, the 160&#215;192 mode and how to implement them. Mixed DHGR was also used in Apple RGB and Le Chat Mauve \u00ab\u00a0F\u00e9line\u00a0\u00bb.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Code_repositories\"><\/span>Code repositories<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/fr3nch.t0uch.free.fr\/\"><strong>French Touch Vault<\/strong><\/a> &#8211; All demos by French Touch with source code<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/fenarinarsa\/Latecomer\"><strong>Latecomer<\/strong><\/a> &#8211; My first Apple II demo <\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/digarok\/festro\"><strong>festro<\/strong><\/a> &#8211; Festro by Digarok<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/deater\/dos33fsprogs\"><strong>dos33fsprogs<\/strong><\/a> &#8211; Disk tools, and the Apple II demos by VMW prod<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/github.com\/fadden\/fdraw\">fdraw<\/a><\/strong> &#8211; Fast Apple II hi-res graphics by Andy McFadden<\/li>\n\n\n\n<li><a href=\"http:\/\/www.deater.net\/weave\/vmwprod\/pt3_player\/\"><strong>Apple II PT3 Vortex Tracker Player<\/strong><\/a> &#8211; Vortex YM player by VMW prod<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/a2-4am\"><strong>a2-4am<\/strong><\/a> &#8211; Disk preservation and modern crack tools, .woz format<\/li>\n\n\n\n<li><a href=\"http:\/\/ctrl.pomme.reset.free.fr\/\"><strong>Ctrl-Pomme-Reset<\/strong><\/a> &#8211; French Touch&rsquo;s initial code archive from 2017, contains unreleased prods<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/jmechner\/Prince-of-Persia-Apple-II\"><strong>Prince of Persia Apple II<\/strong><\/a> &#8211; The official Prince of Persia source code by Jordan Mechner<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Modern_hardware_upgrades_for_Apple_II\"><\/span>Modern hardware upgrades for Apple II<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.bigmessowires.com\/floppy-emu\/\"><strong>Floppy Emu<\/strong><\/a> &#8211; BMOW&rsquo;s floppy disk emulator for Apple II \/ Lisa \/ Mac. Can also act as a ProDOS hard drive if your Apple II has a smartport firmware.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/github.com\/mgcaret\/rom4x\">ROM 4X and 5X<\/a><\/strong> &#8211; Enhanced ROMs for the Apple IIc and IIc+<\/li>\n\n\n\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=-0JSi7JeFcs\"><strong>RGB2HDMI<\/strong><\/a> &#8211; HDMI output for Apple II (example with PAL IIe)<\/li>\n\n\n\n<li><a href=\"https:\/\/oshwlab.com\/yannick.erb\/apple-iic-to-rgb_copy\"><strong>Apple IIc to RGB<\/strong><\/a> &#8211; RGB output for Apple IIc<\/li>\n\n\n\n<li><a href=\"https:\/\/www.callapple.org\/tag\/vidhd\/\"><strong>VidHD<\/strong><\/a> &#8211; Call-A.P.P.L.E.&rsquo;s incredible HDMI card for Apple II<\/li>\n\n\n\n<li><a href=\"https:\/\/www.a2heaven.com\/webshop\/\"><strong>a2heaven<\/strong><\/a> &#8211; Many upgrades, you can get the Mega audio soundcard there (emulates every audio soundcard available for the A2).<\/li>\n\n\n\n<li><a href=\"http:\/\/www.apple2.net\/\"><strong>Apple2.net<\/strong><\/a> &#8211; Ian Kim&rsquo;s website, home to the Mockingboard 4c for Apple IIc. He sells it on eBay when a batch is available. <\/li>\n\n\n\n<li><a href=\"https:\/\/damntechnology.blogspot.com\/2017\/01\/how-to-fix-apple-joystick-when-buttons.html\"><strong>How to fix Apple Joystick&rsquo;s buttons<\/strong><\/a> &#8211; Instead of buying another one \ud83d\ude42<\/li>\n\n\n\n<li><a href=\"https:\/\/www.retrotink.com\/product-page\/5x-pro\"><strong>RetroTink 5X Pro<\/strong><\/a> &#8211; Best video converter available (but most expensive)<\/li>\n\n\n\n<li><a href=\"https:\/\/www.videogameperfection.com\/products\/open-source-converter\/\"><strong>Open Source Scan Converter<\/strong><\/a> &#8211; Converts analog RGB to HDMI, it works very well with Le Chat Mauve RGB cards and adapters.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Apple_IIgs\"><\/span>Apple IIgs<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.brutaldeluxe.fr\/\">Brutal Deluxe Software<\/a><\/strong> &#8211; Brutal Deluxe&rsquo;s website, IIgs documentation, code and game ports<\/li>\n\n\n\n<li><a href=\"https:\/\/skunkworks.kangaroopunch.com\/skunkworks\/joeylib\"><strong>Joeylib<\/strong><\/a> &#8211; 16bits Cross-Platform Game Development Library  <\/li>\n\n\n\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=glWIf0gfWSE\"><strong>Behind the scenes of an Apple IIGS demo<\/strong><\/a> &#8211; Making of Kernkompetenz by Ninjaforce<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Here are some interesting resources if you want to code in assembler on Apple II.This is absolutely not a complete list, your favorite search engine should give you a lot of results, but those are the websites that helped me the most.Also, for generic 6502 algorithms, have a look at what the C64 scene can &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\"> <span class=\"screen-reader-text\">Apple II reference and code repositories<\/span> Lire la suite\u00a0\u00bb<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[12,9],"tags":[],"class_list":["post-1190","post","type-post","status-publish","format-standard","hentry","category-apple-ii-2","category-demoscene"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Apple II reference and code repositories - Coredump<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fenarinarsa.com\/?p=1190\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apple II reference and code repositories - Coredump\" \/>\n<meta property=\"og:description\" content=\"Here are some interesting resources if you want to code in assembler on Apple II.This is absolutely not a complete list, your favorite search engine should give you a lot of results, but those are the websites that helped me the most.Also, for generic 6502 algorithms, have a look at what the C64 scene can &hellip; 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