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Review by  Ben F.
Reviewed on 2020-10-01
Mirage OS is one of the best shells for the Ti-83+/TI-84+. It works on all 83+/84+ calcs regardless of age, and runs programs with little issue. The only real problem I have is that the options menus are a bit obtuse to new users.

While many say that this program has been made irrelevant by DoorsCS7, I believe it offers a worthy alternative for calcs with warped displays or for people who just want a simple, archive compatible shell.

This gets a 9.1/10.

Review by  Bob King
Reviewed on 2007-08-20
When I first got my TI-83+ from Brother, the first app I ran was MirageOS 1.2. Ever since then I have used Mirage, even though it crashed multiple times and "forgot" some programs. Even though I now use DoorsCS I still keep Mirage on my Calc, just in case.


Graphics: 10/10, the simple graphics were all it needed.

Speed: 8/10, when it first starts up and usually takes a while if you have a lot of programs.

Usability: 10/10, Simple controls and lots of features.

Stability: 6/10, It sometimes crashed and kept "forgetting" I had Mario.

Overall: 8.5/10 Simple and Easy, it gets the job done usually.

Review by  Nathan Ladwig
Reviewed on 2006-04-06
This is a fairly good shell. I can make folders to put my files into. "MirageOS" works great on my TI-84+ SE, but I had some troubles with it on the TI-83+.

Controls: 10/10
Ability for alot of programs: 10/10
Wavy Screen: 3/10
Archive Ability: 10/10
Total: 33/40

Review by  Michael Marley
Reviewed on 2006-02-25
“MirageOS” is a great shell for the TI-83+. It is perfect in almost every way I can think of. I also like the function that allows lower case lettering. (good for BASIC programmers.)

Other people have complained about garbage collection; Mirage OS does not do garbage collection, the TI-OS does. This occurs when the archive is full and you try to rearchive something. To stop the garbage collection message, try disabling "Enable write-back of Archive Programs" in the MirageOS menu.

Overall a great program, I give it a 10/10.

Review by  J C
Reviewed on 2006-02-19
Even though “MirageOS” is an extremely good shell, it has been looked down upon in my school calculator community, and everyone I know who owns these calculators. The garbage collection could use an overhaul. It is a great program for gamers/program users who don't mind garbage collecting on a TI-83+, but if I would not have to garbage collect as often, I would give "MirageOS" a 10/10. Otherwise:

Controls: 10/10 Very Easy
Memory: 10/10 It's an app
Usage: 10/10 Great graphics and design
Stability: 5/10 Almost never crashes, but deletes games
Design: 10/10 Looks cool
Stamina: 1/10 garbage collection is faulty
User friendly: 0.1/10
Overall: 2/10

Review by  Jonathan Martin
Reviewed on 2005-11-26
This is a great application. It runs any program that has a ::"(description in its first line. And it unarchives the program before it is run. And when you are done using it, the program is archived. So you can store lots of programs in the archive and play them.

Controls-9/10 Easy
Memory-10/10 It's an application
Usage-10/10 Cool interface
Overall-10/10 Very neat -- try it

Review by  Nathan Dickinson
Reviewed on 2005-10-13
This Flash App shell was very easy to use! I have over 15 programs on it. The best thing is it can play programs from the archive, without the need to unarchive when you run them. I think a really cool feature would be to let you be able to change the name of the program (the program and maybe the description). I love the way you can edit, create, and sort folders. Thanks for making the shell!

Review by  Matthew Carpenter
Reviewed on 2005-10-13
I love “MirageOS”. I don't personally know anyone with a TI83+/84+ calculator who doesn't. It runs very fast, and allows you to sort programs into folders and subfolders. Also, It does not reside in the RAM, but instead in FLASH as an APP so therefore if your calculator crashes, just run from the apps menu and it will put your keyhooks back in.

Also, It runs ION apps flawlessly. Programs built for “MirageOS” will have custom icons to make it easy to differentiate programs. Also, “MirageOS” offers some password protection for itself, and a bit more when used in conjunction with TI's Startup APP. However, it no longer protects the calculator after RAM is cleared (by any means), but “MirageOS” generally retains its settings and password.

My only problem with “MirageOS” is that every time your RAM is cleared, all your programs are sent back to the MAIN folder, and must then be re-sorted.

“MirageOS” is easily expanded with alternate UIs, such as a completely icon-based one, a command prompt for a unixy feel (very hard to use though), a list interface that emulates the look and feel of ION, and more.

If you like ION, I recommend trying “MirageOS”, especially in conjunction with “Omnicalc”.

Idea: 8/10

Graphics: 9/10 (monochrome, not grayscale for obvious reasons; no animations, none needed)

Stability: 10/10

Flexibility: 9/10 (through add-on files)

User-Friendly: 8/10 (undoes sorting on RAM crash, regardless of whether preferences var is archived)

Speed: 10/10 (never seen a faster shell!)

Features: 10/10 (more than I even use)

Compatibility: 8/10 (ION ASM, “MirageOS” ASM, TI-OS ASM (through BASIC, see documentation), BASIC. Cannot launch Flash APPS or TSE progs)

Battery: 8/10 (does not send requests to processor when idle if you choose to "save the whales :)". Supports APD (automatic power-down) after default timeout)

Overall: 9.7/10

Review by  Matthew F
Reviewed on 2005-09-25
The interface is relatively easy to use, but the downside is that not all keys are described in the readme, and you have to hunt-and-peck to find out what the keys do.

The functionality is great. It automatically detects MirageOS programs as soon as I install them, and it can run from archive. However, when a program has an error, it doesn't tell you what went wrong.

Not once has “MirageOS” itself crashed on me. True, a bunch of the programs have errors, but “Mirage” terminates them and keeps on ticking.

OVERALL: 9.33/10
True, there are some things that need to be improved, but for “MirageOS”, the good outweighs the bad. A must download.

Review by  Eric Leong
Reviewed on 2005-06-06
Grade - 9.9/10

“MirageOS” is just about the best shell for the 83+ and 84+. The main thing I like is that it is compatible with “Ion” programs and BASIC games. I also like the fact that you can hide, archive and lock programs. The only reason that it’s not a perfect 10 is that it doesn't show the error when a BASIC program suddenly quits because of an error. Therefore, one must test the program from the Home Screen in order to find out the nature of the error.

Review by  Louis Wilson
Reviewed on 2005-05-19
Preview of overall score: 9.8/10

This program is one of the best out there. “MirageOS” has many great options, such as enabling lowercase on the TI-83, and password protecting your calculator, as well as enabling you to play MirageOS, ION, BASIC, and, of course, ASM programs.

However, it does have one noticeable bug. If you have lots of programs hidden (as I do, since I have about 40 progs on my calc, and I don't want my program menu cluttered), and you “GarbageCollect”, your calc may delete hidden files. I would suggest to the creators, in a future update, to un-hide programs before GarbageCollect and hiding them afterwards (if it is even possible to detect it, I don't know), or change how the hiding works so that this isn't a problem. Overall, this is a GREAT program, and I suggest downloading.

Interface: 10/10
Options: 10/10
Usefulness: 10/10
Ease of use: 10/10
Bugs: 9/10
Overall: 9.8/10

Review by  Chris Oliver
Reviewed on 2004-11-22
“MirageOS” has to be the best shell that i have used. It runs archived programs just fine and it runs “Ion,” BASIC, and “MirageOS” programs! I have an 84+ SE and have roughly fifty games on it, so this allows me to play any game, anytime. I do not have to worry about my Flash ROM getting ruined, because I have writeback disabled, which is another great feature of “MirageOS.” The only reason that I wouldn’t recommend “MirageOS” over “Ion” would be if you didn't have much Flash ROM free.

Graphics - 10/10 (nice program pictures)
Interface - 10/10 (nice menus)
Protectiveness - 10/10 (memory menu block, writeback disabler)
Overall - 10/10 This is the best shell ever made!

Review by  Floyd Maseda
Reviewed on 2004-08-12
“MirageOS” is one of, if not the best, Flash shell for the TI-83+/SE yet! It has virtually no errors other than the usual RAM Clear that I have grown accustomed to, so I keep everything on my calculator archived. This does not happen so often with version 1.2, though, and I have started to leave my programs unarchived (I also have “Omnicalc” to restore my memory) for the first time in a long time.

Although there are few errors, I still think that this shell is perfect in every way, so I give it a 9.85/10.

Review by  Case Boehm
Reviewed on 2004-05-13
I'm sure all of you know about previous versions of “MirageOS” and its issues with running BASIC programs. Well, I am happy to say that those problems no longer exist. BASIC programs run perfectly, ASM programs run perfectly (of course), and all but one of the bugs that I am aware of from v1.1 have been fixed. The one bug that still remains is that sometimes, if you run BASIC programs through “Mirage” a lot, you will get a random RAM clear when you are doing something else on your calc. If you have everything important on your calc archived, then there is no need to worry. But if you do have a RAM clear due to Mirage, it won't leak like 6k of RAM into some random file like it used to. Overall, “MirageOS” is one of the most useful apps ever released for the 83+, but that one remaining bug can be more bothersome than you think.

Review by  michael knoop
Reviewed on 2004-05-13
New Features:
”MirageOS v1.2” is a long awaited update to the extremely popular “MirageOS v1.1.” This version has many new features that make the shell quicker, and easier to use. Below is a summary of the best new features this version includes:
BASIC Programs:
”MirageOS v1.2's” BASIC program handler has been completely re-written, and is now compatible with all hardware and operating system combinations. The new engine should fix all bugs the previous version had.

TI-84 Plus Compatibility:
In case you have already purchased a TI-84 Plus, v1.2 fixes minor bugs that were specific to the TI-84 version.

Faster Sorting:
Tired or sitting on the "Now Sorting...Please wait" screen? “MirageOS v1.2” now sorts programs over 50 times faster! This is due to the fact that in the previous version, the sorted program list was saved into the application variable, taking up valuable time. The new version will sort the program list each time the Application is run, but not to worry. My TI-83 Plus sorted 35+ programs in less than 2 seconds.

82 Emulation Removed:
Emulation for the TI-82 has been removed from “MirageOS v1.2”

Cosmetic and User Interface Changes:
A number of new cosmetic and User Interface changes have been made. A few notable changes include showing the actual folder size (instead of maxing out at 65535 bytes), the ability to cancel rename / new folder inputs, and a new “tasker” hotkey to quit the shell or game at any time without program write back.
In general, this update is a must download. If you use “MirageOS v1.1” currently, you should definitely download and install the update. The numerous new features and bug fixes are worth it.
(A full list of new features can be found at http://www.detachedsolutions.com/mirageos/manual/about.php#version)

Review by  Andree Chea
Reviewed on 2004-03-04
Note! This review was written for a previous version of this file!

This is THE MOST USEFUL APP THAT A NON-PROGRAMMER CAN OWN! Now all of us 83+ users, know that from time to time again in that 'boring' class, the MirageOS v1.1 shell has saved us from sleeping in those classes. We pass around these 'programs' that constantly entertain us. Contrary to Ion, the other leading 83+ shell, MirageOS has many useful features that allow users to do MORE THAN play games. And contrary to Ion, MirageOS can run both MirageOS programs AND Ion programs.

The GUI is very user-friendly. Once you start the shell, it displays 'folders' and you can 'open' and 'close' the folders to keep your files organized (esp. on the silver edition, due to the bigger Flash ROM space). It also has a function bar ([X,T,theta,n] key), similar to the 85/86 menus, that allows you to manipulate your programs, such as archiving, sending, hiding, and locking, without leaving the shell! MirageOS also includes hotkeys for the most common actions. If you are a more advanced user, you can use external GUIs, which I won't discuss (I use the Command Prompt GUI).

Probably the 'meat' of the shell is all in the Options Menu, found by pressing [Alpha]. You can toggle a wide assortment of options, like show program icon for graphics in the shell, password protection to prevent others from playing your games, and enable lowercase so you can type in upper AND lowercase.

There are also useful keyhooks and interrupt taskers that come in handy sometimes. One that everyone should use is the [On]+[APPS], which will start up MirageOS without going through the menu. [Alpha]+[On] will APD, useful when programming a long program in the editor. You can also block the [2nd]+[Mem] menu to protect your files. Also, the interrupt taskers allow you to do a lot of stuff within a program: [On]+[Mode] to quit to homescreen; [On]+[F1-F5] to slow or speed up game; [On]+[+] to increase contrast; and more...

There are some drawbacks and bugs, even in this great shell. One of the most annoying is that most of the time, running a BASIC program within the shell will cause a RAM Reset. And if the programs do work, the text output will be out of whack. The password security isn't 100% secure (heh), and sometimes, memory leaks causes RAM Resets to occur at random outside the shell, although this is more noticable on the Silver Edition (Imagine scrolling through the [MEM] menu and the RAM resetting right then, without warning).

Overall, this is a MUST HAVE! I rate this 9.5/10 points. Although it takes 16k of archive space (1 page of ROM), it is well worth it!

Review by  Joe Pena
Reviewed on 2004-02-05
Note! This review was written for a previous version of this file!

MirageOS is an ION-ish shell that will allow you to set a password for your calculator and will also allow you to run applications that require the MirageOS shell.

It can perform many file-related tasks such as locking it up (and in that case, UNlocking it up!), link with another calc, display RAM and ROM space, ability for lowercase letters (good for people with calcs that don't do that), changing names of files, HIDING THEM!!! (greatest thing for tests), archiving and un-archiving them, and much more. It also has a very graphical, battery-saving interface!

I truly recommend this program and give it a 9.99 / 10!

Review by  Yan Zhuang
Reviewed on 2004-01-24
Note! This review was written for a previous version of this file!

The MirageOS Flash App is currently the best shell for the TI-83+ and the TI-83+ SE. The MirageOS shell, infinitely superior to the Ion shell (IMO), has many advantages that other shells lack. MirageOS has a password protection option, and can also block the memory menu from access to anyone. This way, no one can hack into your calculator. In addition, MirageOS has the ability to lock and unlock the source code of your files, so you can protect your files from being modified. Next, MirageOS has the ability to archive and unarchive files within the application, which can be extremely useful in some occasions. MirageOS has many other options, like lowercase letters and etc. Finally, the best reason to use MirageOS than any other shell is because MirageOS is a Flash Application. Ion can be easily removed by a simple RAM clear, while MirageOS will be unaffected.

Therefore, MirageOS is the best shell for the TI-83+ and the TI-83+ SE. There are not really any downsides to MirageOS, but in future versions they should add some Omnicalc options into MirageOS. Overall, MirageOS deserves a good rating.

My Rating: 4.8/5

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