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projects:rom_4x_and_5x [2017/07/12 20:06]
M.G. add atom feed for releases
projects:rom_4x_and_5x [2017/11/15 11:43]
M.G.
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 ====== ROM 4X and 5X ====== ====== ROM 4X and 5X ======
 +
 +ROM 4X and 5X are enhanced firmwares for the Apple %%//%%c and Apple IIc Plus.
 +
 +Main features:
 +
 +  * Initializes memory expansion card without erasing it if it already contains a boot sector. ​ This is intended for battery-backed memory expansions made by [[http://​www.a2heaven.com/​webshop/​index.php?​rt=product/​category&​path=73|A2Heaven]].
 +  * Boot menu via <​key>​CTRL+CLOSED-APPLE+RESET</​key>​ or <​key>​CTRL+OPTION+RESET</​key>​.
 +    * Allows dropping into the monitor immediately.
 +    * Allows clearing memory expansion card.
 +    * Allows launching diagnostics.
 +    * Allows selecting boot device.
 +      * 4X: Allows booting external 5.25 drive if disk supports it.
 +  * 4X: With battery-backed RAMdisk, can configure default boot option.
 +  * 5X: Replaces accelerator firmware.
 +    * <​key>​CTRL+ESC+RESET</​key>​ toggles accelerator speed and persists across ordinary resets.
 +    * <​key>​CTRL+TAB+RESET</​key>​ brings up a menu that lets you set accelerator state and some option.
 +
 +In development:​
 +
 +  * 5X - default boot option configuration like 4X, enhanced to set default accelerator state as well.
  
 See [[https://​github.com/​mgcaret/​rom4x|ROM 4X and 5X on GitHub]]. See [[https://​github.com/​mgcaret/​rom4x|ROM 4X and 5X on GitHub]].
  
 ===== Releases ===== ===== Releases =====
 +
 +==== GitHub ====
  
 {{rss>​https://​github.com/​mgcaret/​rom4x/​releases.atom}} {{rss>​https://​github.com/​mgcaret/​rom4x/​releases.atom}}
 +
 +==== Binary Distributions ====
 +
 +I'm not guaranteeing these are up-to-date with the master branch, but they are mostly stable.
 +
 +=== 2017/10/02 ===
 +
 +Note that only the build process and introduction of the binary distributions has changed, no changes to code are reflected in this release.
 +
 +{{ :​projects:​iic_rom4x-20171002.zip | ROM 4X }}
 +
 +{{ :​projects:​iic_rom5x-20171002.zip | ROM 5X }}
 +
 +