Author: M. Brent (AKA Tursi)
Classic99 was formerly the
It is currently in version 3.1a2, and has been updated to include new ROMs, 'magic' disk ability has been added so things like Editor/Assembler can have their support files available, a menu for ROM/system selection has been added, and it now had more reasonable defaults for today's machines.
Download from Tursi's site: http://www.harmlesslion.com/software/Classic99
Author: Frederik G. Kaal
Still a work in progress, but most functions work. See the 'readme' file for more information.
You can use the same ROM and GROM image files as for V9T9 or MESS (I had to rename the MESS file '994agrom.bin' to '994agrom.gpl' in order for it to work).
Ti994w.zip- 436 KB[an error occurred while processing this directive]
PC99 runs in the DOS enviorment and emulates the TI-99/4A and some peripherals. You can also purchase licensed versions of TI Command Moudule images as well as scanned versions of manuals.
by CaDD Electronics. Contact
45 Centerville Drive
Salem, NH 03079-2674
Web Page: http://pw2.netcom.com/~mjmw/index.html
View screen shots from PC99
For PC99 utility programs, visit the utility page
Download version 6.0 (For Windows, old version):
600v9t9.zip 930KB [an error occurred while processing this directive]
Download v9t9 6.0
documentation. If these files didn't come with your copy of v9t9, unzip
them to a directory named Docs
within the V6.0 directory.
On some computers, V9T9 does not detect the processor if it is a 386 or higher. To remedy this, Kerry Lee High Jr. has removed the processor check from v9t9.exe. If you've been having problems, download v9t9fix.zip, unzip it, and replace v9t9.exe with v9t9fix.exe.
V9T9 Bug Report: 600v9t9.bug 841 Bytes
V9T9 Mini Memory bug fix by
Download Memcode.inc 15KB
This zip file contains the V9T9DS.EXE file, which is the V9T9.EXE modified by Andy Becker on July 2001 so as to handle Double Side Disks on V9T9.
V9T9 Source Code:
For V9T9 utility programs, visit the utility page
A really cool TI emulator for Windows that started out on the Amiga. Writen in C, requires a set of TI ROMS.
(Discontinued- Now The Classic99 Emulator)
Recently released Open source Linux TI-99 emulator.
Author: Marc Rousseau
M.E.S.S. (Multi Emulator Super System) now offers emulation of the TI.
The Official M.E.S.S. Homepages is located at: http://mess.emuverse.com/
Check out the TI screenshot on the MESS screenshot page at: http://mess.emuverse.com/
For M.E.S.S. utility programs, visit the utility page
I don't own a Mac, so I have no personal experience with this emulator but it apparently uses the same file types (Disk and ROM) as the PC version of v9t9. The author states that this version is incomplete and he is not certain when he will make a final release.
Requires: Macintosh with 500 kb of free memory, system 7, and Color Quickdraw
Download version 0.2.1a2 (11/7/99):
(Note: Since I have been doing poorly at keeping up with all of the new versions of MAC V9T9, I am not keeping a copy of it for download on this site, and I am directing download request to the author's web page.)
Gledhill has written a Tomy
Tutor emulator that runs in Windows. For more information, check out
Cameron Kaiser's Little Orphan
web site or the Tomy
Tutor Yahoo Group (source code
available here). The emulator is version 1.0 and requires the SDL
Library in order to run. Be sure
to check out Ian's retro-computer website at www.retroreview.com.
Download TutorEm V1.0 - 49KB
I haven't tested this as I don't run Linux, but here's the information file:
Title: TI for Linux
Entered-date: Mar 28 1998
Description: This package contains a TI-99/4A emulator,
requires (G)ROM images to run at all.
Keywords: Texas Instruments TI emulator
Author: Ton Brouwer
Maintained-by: email@example.com (Stefan Haubenthal)
Copying-policy: Freeware but ROMs
Download Version 0.2:
A fairly simple, text only emulator. As far as I can tell, it only allows you to operate in TI-Basic.
HTML source © 2013 firstname.lastname@example.org
Instruments, TI, and TI-99/4A are all trademarks or service marks of Texas
Items on this non-commercial site are presented for reference/nostalgia purposes only.
Texas Instruments has granted written permission to email@example.com to post 99/4A documentation on this website. The owner of this site does not guarantee or necessarily test any of the programs or files available for download from the site. Downloading and installing any files is done at your own risk. Files have been scanned for viruses by the webmaster, but there is no guarantee that they are virus free, and you should scan them yourself before installing them.
Items on this non-commercial site are presented for reference/nostalgia purposes only. If you are an author or owner of an item on this site and wish it removed, please contact me at firstname.lastname@example.org