{"id":76,"date":"2025-12-08T16:47:53","date_gmt":"2025-12-08T16:47:53","guid":{"rendered":"http:\/\/192.168.3.28\/?p=76"},"modified":"2025-12-10T21:12:44","modified_gmt":"2025-12-10T21:12:44","slug":"smartdisk-ii-the-origin","status":"publish","type":"post","link":"https:\/\/www.r3tr0.net\/index.php\/2025\/12\/08\/smartdisk-ii-the-origin\/","title":{"rendered":"SmartDisk II &#8211; The Origin"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I remember the first time I had my first prototype of what will become the SmartDisk II loading the NIB image of BoulderDash II on my Apple II.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"256\" src=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large-1024x768.jpeg\" alt=\"\" class=\"wp-image-256\" srcset=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large-1024x768.jpeg 1024w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large-600x450.jpeg 600w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large-300x225.jpeg 300w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large-768x576.jpeg 768w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large-1200x900.jpeg 1200w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6370-Large.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"255\" src=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6369-Large-768x1024.jpeg\" alt=\"\" class=\"wp-image-255\" srcset=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6369-Large-768x1024.jpeg 768w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6369-Large-600x800.jpeg 600w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6369-Large-225x300.jpeg 225w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6369-Large.jpeg 960w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The first prototype was made on a very poor quality breadboard with a STM32 Bluepill, with a lot of ICs. The process to load NIB image was not really accurate, but I was so proud of having at least something working.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This was the beginning of my journey to design and build an accurate Apple II Disk Emulator. I reached out to the Applefritter community for help on this project, and I received more than what I was hopping. This was a few month of long hardworking and debugging session with a lot of up and down along this way.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The purpose of this project was really a personal goal to experiment, learn, understand, and build. My approach from the beginning was to give back what I have collected and learnt to the community and this is why this project is before everything open-source.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This was the second version of the SmartDisk II using 74LSXX (way too many \ud83d\ude09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large-1024x768.jpeg\" alt=\"\" class=\"wp-image-265\" srcset=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large-1024x768.jpeg 1024w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large-600x450.jpeg 600w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large-300x225.jpeg 300w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large-768x576.jpeg 768w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large-1200x900.jpeg 1200w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_6693-Large.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find here my progresses on Applefritter week after week with all the issues and dead end I faced along my journey:&nbsp;<a href=\"https:\/\/www.applefritter.com\/content\/apple-ii-disk-emulator-using-stm32\">https:\/\/www.applefritter.com\/content\/apple-ii-disk-emulator-using-stm32<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This project is not over, I continue to improve and add new features to the firmware.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the version 6 of the SmartDisk II Board with 3D printed case<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_7899-Large-768x1024.jpeg\" alt=\"\" class=\"wp-image-197\" srcset=\"https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_7899-Large-768x1024.jpeg 768w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_7899-Large-600x800.jpeg 600w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_7899-Large-225x300.jpeg 225w, https:\/\/www.r3tr0.net\/wp-content\/uploads\/2025\/12\/IMG_7899-Large.jpeg 960w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The GitHub repository can be found here :<a href=\"https:\/\/github.com\/vibr77\/AppleIIDiskIIStm32F411\">https:\/\/github.com\/vibr77\/AppleIIDiskIIStm32F411<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vincent<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I remember the first time I had my first prototype of what will become the SmartDisk II loading the NIB image of BoulderDash II on my Apple II. The first prototype was made on a very poor quality breadboard with a STM32 Bluepill, with a lot of ICs. The process to load NIB image was [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[18,17,1],"tags":[],"class_list":["post-76","post","type-post","status-publish","format-standard","hentry","category-appleii","category-smartdiskii","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SmartDisk II - The Origin - R3TR0<\/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.r3tr0.net\/index.php\/2025\/12\/08\/smartdisk-ii-the-origin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SmartDisk II - The Origin - R3TR0\" \/>\n<meta property=\"og:description\" content=\"I remember the first time I had my first prototype of what will become the SmartDisk II loading the NIB image of BoulderDash II on my Apple II. 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