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Welcome to the Doors CS Documentation

Don't like reading? The scoop: Download Doors CS 7.1 or the beta of Doors CS 7.2, then come discuss it on the Cemetech Forum.

Doors CS 7.1 is the ultimate shell and GUI for your TI graphing calculator. Run any BASIC or ASM program, including MirageOS, Ion, Doors CS, and nostub programs. Organize your programs into folders, edit program properties or programs directly from Doors CS, or use the HomeRun feature to run any program from the TI-OS homescreen. Doors CS is built to be extremely user-friendly, using a mouse-based interface to appeal to users used to using computers who are frustrated by the infinite menus one must navigate on a TI calculator. On the opposite end of the user spectrum, it includes myriad keyboard shortcuts so that those who prefer to use a keyboard to a mouse can quickly and efficiently move through Doors CS. Doors CS 7.1 adds the CALCnet2.2 networking library for communication and multiplayer gaming between two, twenty, or two billion calculators, as well as many bug fixes and tweaks since Doors CS 7.0. It contains full libraries for xLIB, Celtic III, PicArc, Omnicalc, and the new DCSB Libs; eliminate all your apps and replace them with Doors CS 7!

The goal of Doors CS is to provide diverse support and powerful features to this inexpensive yet ubiquitous technological tool. Within this site, you will find all of the documentation and information you need to use and develop for Doors CS. You can research all of the various versions of Doors CS, better understand how to use your copy, and find all the data on the libraries and routines for creating Doors CS-compatible BASIC and Assembly-language programs.

Getting Started

New Doors CS user? Download Doors CS right now. Start with the Quick Start Guide, or if you have more time, the User Manual.
Developing for Doors CS? BASIC programmers and ASM programmers should visit the SDK or (download the .pdf) and ask questions .
Want to learn more? Check Compatibility, Features, and Credits.
Curious how Doors CS looks? Then you need some Screenshots.
Want to report a bug or ask a question? Visit the Doors CS Forum.

Sections Bug Tracker Cemetech Main Website Cemetech & Doors CS Forum Compatibility Credits Developers' SDK Features Quick Start Guide Screenshots To Do List User Manual Version History

Recent News MediaWiki version upgraded and PublishToSAX extension created. (5/16/2012) Changed header for Celtic III index files to appear as hidden, not MirageOS, programs to DCS. (5/1/2012) Fixed 2.53MP/2.55MP problem with C3 lib IndexFile. (5/1/2012) Fixed Yoffset=0 problem discovered by JoeYoung in C3 lib StringTile. (4/27/2012) Solved CALCnet 2.2 poweroff issue by delegating poweroff to programs. (4/6/2012) Fixed text input keys to make more characters available. (4/6/2012) Repaired hook chaining, found optimization; total 1 byte less on Page 0. (4/6/2012) Made fBinRead for BinRead work on RAM and Archive programs/appvars. (4/6/2012) Optimized one byte and 10 cycles (20% speedup) out of cphlde. (9/17/2011) Released Doors CS 7.2 beta 2, with greatly-improved DUSB gCn and other fixes. (6/13/2011) >> See 427 more Older News items >> Recent Screenshots "Homerun" feature: program execution from the homescreen MemoryPop New Doors CS 7 Properties Menu

Download Current version: 7.1.1 Download Now January 1, 2011 Current beta: 7.2 Beta 2 Download Now June 13, 2011

The Doors CS wiki was last updated on June 20, 2013.