The ti 99 4a is a redesign of the ti 99 4 system, which was discontinued. These pages are dedicated to the texas instruments ti994a home computer. This is the ti 99 4a version of the famous or infamous according to some zen simulation robotfindskitten. All these programs were typed in or developed on my tm990 system but many will run on the ti 99 4a without modification.
Tiimagetool on github ti994a computers atariage forums. And spent a lot of time playing parsec with the speech synthesizer. Sep 11, 2014 a demonstration of the ti 99 4a builtin basic. You are a robot in search of kitten, and on the way you encounter a variety of items which are not kitten. Core emulator written in c for portability to multiple platforms.
I see there are people that have great programming skills, there are some with organising skills, graphic skills and so on. Many kids in the united states grew up leaning to program basic on a ti 99 4a and used it to experience video games for the first time, which they could do through plugin program cartridges. It is also not the same as the ti basic used in tis line of calculators. Although the texas instruments ti 994a was a contemporary of the apple, atari 800 and much of the radio shack line it wasnt nearly as successful as those computers. All software windows mac palm os linux windows 7 windows 8 windows mobile windows phone ios android windows ce windows server pocket pc blackberry tablets os2. Stuff can be a bit scattered around there, but youll find some wave files of tioriginal audio tapes there, along with loads of cartridge and floppy images. This corresponds to an address space of 64 kbytes, arranged as 32 kwords a word is two bytes. Text, full screen graphics, logic operations, and recording to tape or any other file system, were. You will have to work out a way to enter these listings on your. It is an enhanced version of the less successful ti 99 4 which was released in late 1979. You can type in any basic command like print hello or you can start to enter a basic program just by writing a line number before your basic command.
This site offers the support programs and manuals needed to run either. Turns out it was very slow in basic, due to its basic being doubly interpreted. In 1981 texas instruments released ti994, the first series of 16bit home computers. Ti 99 4a software catalog catalog is a basic program that displays the files on disks 1, 2 or 3. An editor allows you to make and edit programs and data on the computer, which you can then transfer from your computer to your calculator with a link cable. Beginners basic texas instruments ti 99 4a computer on. The ti994a is built around the tms9900 microprocessor. Same cable and uses same colored leads as commodore 5 pin standard video cable. The ti 99 line of home computers had the basic language built right into the console. To use a line editor, you first select the line number you wish to amend, place it on the bottom of the screen, and move the cursor along the line until you hit the place to be amended. Even though a ti 99 4 with extended basic and the memory expansion can call and run assembly language programs and subroutines, it presently cannot be used towrite them. The system allows programs up to approximately 62k in size, and it is designed to utilize the 128k memory expansion space for program variable storage and stack space when present. Answer yes to scan for drives and populate the ti 99 4a subtree.
Basic was an easy programming language to learn and to use, and many. At first it was a simple textbased simulation of the ti ti99simconsole running under msdos. I was listening to the mike tech show and he mentioned a ti 99 4a. Filepco is an assembly program to be run on the ti 99 4a in extended basic or in basic with the editorassembler cartridge plugged in. He fired up the win994a simulator and ran the extended basic cart. If the ti 99 4a has the 32k memory expansion available either as a card in the peripheral expansion box, or fitted. Texas instruments ti994a steves computer collection. Feb 28, 2014 download the ti basic compiler for free. Those that interact with the hardware such as the sid chip will require modification to run on the ti 99 4a i leave these for the reader to experiment with. Also, 994a programs often refer to symbolic key names like redo and procd, which map to fctn plus number keys. Cfinfo cfinfo is a ti 99 4a assembler program that display information about the currently mounted compact flash. The first thing you want to get setup is a ti basic editor.
The flashrom 99 supports romonly images of up to 32k that use the writeto60xx bank switching scheme. It will not work with programs using groms or crubased. Texas instruments will not allow these to be distributed, so they are not included with ti99sim. The 994a formed the rest of the ascii character set using the fctn key with other alphanumeric keys. Even with expansion, basic programs only had 12k for code.
Written in tms9900 assembly language, this is a completely selfcontained forth programming environment, hosted on a plugin cartridge. Classic99 is a open source texas instruments ti99 4a emulator for windows 2000 and up. Used the teach yourself basic book and tapes to learn how to program. Texas instruments has granted written permission to email protected to post 99 4a documentation on this website. Xbasic is a variant of the basic programming language that was developed in the late 1980s for the motorola 88000 cpu and unix by max reason. Beginners basic texas instruments ti 99 4a computer. They contain mainly technical information on the various processors and memory chips found in the console, on peripheral cards and cartridges and on additional hardware. The other reference link shows other helpful tables such as sound, and mathematical functions. In any event, there are reasons for wanting to transfer data and text between a pc and an old ti 99 4a system, including document recovery and even grabbing material for web pages like this one. The success of this site is dependent on submissions from the ti community, so if you have an. If you refer to the new features comment lines without line number, this is not yet committed. The cartridge could hold several programs one per bank perhaps, with each program being listed individually on the ti 99 4a menu screen. Allows you to connect a ti99 to a composite monitor or to televisions which have audio and video rca type inputs.
For those interested in game programming on the ti in any language or skill level, or if you are just curious, the atariage ti 99 4a programming forum is the place to be and where most new games are being generated. Downloads v9t9mess diskimages to use the dskfiles with the win994aemulator, just rename the suffix dsk to tidisk example. This is the latest incarnation of an emulator for the ti994a that ive been working on, on and off, since 1993. During this time we were pretty much on our own to find a cassette player that would work. Freebasic a 32bit basic compiler, with the syntax the most compatible possible with msquickbasic, that adds new features such as pointers, unsigned data types.
Mar 11, 2016 many kids in the united states grew up leaning to program basic on a ti 99 4a and used it to experience video games for the first time, which they could do through plugin program cartridges. The texas instruments ti 994a is a home computer released in june 1981 in the united states. That blew me away i had no idea a simulator existed. Without a true networking option, the ti99 pc connection today boils down to two major options. Texas instruments vintage computers and mainframes for sale. This is the latest incarnation of an emulator for the ti 99 4a that ive been working on, on and off, since 1993. This is a version of texas instruments basic as found in rom on the ti 99 4a.
There were several articles in the ti magazines of the time comparing different models, and providing lists of ones that would work and those that. Both models include hardware support for sprites, using tis own chips, and multichannel sound. Items on this noncommercial site are presented for referencenostalgia purposes only. The software supports a multitude of calculators ranging from the ti 73 to the ti nspire cx cas. But it was much faster at the machine language level. The ti 99 4a flash rom cartridge, or flashrom 99 for short, is a cartridge for the ti 99 4a home computer that allows for running rom cartridge images stored on an sd card. Download programs for ti 99 4a and its v9t9emulator. The version of the psystem delivered with the ti 998 is an incremental improvement over version 4. If you know someone that liked the ti 99 4a and want to get them a great gift personalized by kate has them for you. All you had to do was power up the computer and a few seconds later you were ready to start programming. This paves the way for some fancy sophisticated applications programs that now can be targeted for the ti 99 4 users.
A recognize and react style game for the ti 99 4a and atari 2600. It has a true 16bit bus and works at 3mhz, so it was needed to use very fast memory chips. You can use it in interactive mode or pass a basic file as a command line parameter. The new 4a has a new graphics chip and a better keyboard. Texas instruments, ti, and ti 99 4a are all trademarks or service marks of texas instruments inc. Programs for either ti basic or ti extended basic on free shipping on qualified orders. A fast and compact forth implementation for the texas instruments ti 99 4a home computer.
The ti 99 4 and ti 99 4a are the first 16bit home computers, using the texas instruments tms9900 16bit cpu. One reason may have been its price, which was initially far higher then its competitors, when compared as equally capable systems. A message box appears in vdm99, asking you if you wish to scan the remote ti 99 4a right away. Eventually, i would love to have pages describing ti 99 4a hardware cassette tape, floppy disk, speech synthesizer, etc. Jun 26, 20 i was listening to the mike tech show and he mentioned a ti 994a. The other reference link shows other helpful tables such. Runs under linux, mac os x, and win32 windows 9x, windows nt speed is kept as close as possible to the actual speed of the ti. The ti99 4a uses a line editor for programs some modules also use a screen editor,eg tiwriter. Ti 994a basic ti99basic is a version of texas instruments basic as found in rom on the ti 99 4a. A basic interpreter designed to mimic the operation of 816bit microcomputers of the early 1980s like the tandy color computer, apple iie, commodore 64, texas instruments ti 99 4a. In this video, we explore the tis colorful world of graphics capabilities and options in ti basic, extended basic, and assembly on the ti 994a, with examples of the computers variety of video.
May 26, 2016 the retro programmer shows how to make a simple animation in ti99 4a basic by starting from an official example from the ti99 4a basic manual. This is one of the first true 16bit cpu central processing unit. Top kodi archive and support file vintage software community software apk msdos cdrom software cdrom software library. Pc99 is a commercial program for dos which emulates the ti99 4a hardware. So i went digging around in my basement because i knew i. The below links will offer a quick lookup of a command,statement, or function for console basic or extended basic. Ti994a cartridges, games, software, programs, books. Tracks the emulated cpu speed so it runs at the right speed even on the fastest processors. Ti basic is an ansicompliant basic programming language interpreter built into the 1981 texas instruments ti 99 4a home computer and its predecessor, the ti 99 4 1979. System roms and many cartridges are included under license from texas instruments. Even though the ti 99 4 was released in 1979 ti didnt release its own program recorder until early 1983. Extended basic reference the below links will offer a quick lookup of a command,statement, or function for console basic or extended basic. About the only way to expand the original ti 99 4a was from the expansion port on the right side of the console. The 994a keyboard has 40 keys and your keyboard has more.
Hi, ive got a ti99 4a and ti program recorder cassette tape and im looking for help in getting basic programs i find on the web into the machine without having to type them in by hand. Recently i came into the possession of a second texas instruments ti 99 4a com. Classic99 is a open source texas instruments ti994a emulator for windows 2000 and up. I tried recording the sound output of v9t9 emulator saving a program to the cassette deck, but it didnt work. If you wish to view the contents of volumes 4 and up, you must mount it using the call mount command and then rerun catalog.
No special software is required on the ti 99 4a side as long as you are not trying to transfer program files. The computer has a texas instruments tms9900 processor running at 3mhz. To the old games, take graphics and some of the ideas and run wild with them. Full text of ti994a basic programs internet archive. Jul 14, 2016 modified import dialog means it offers an option for ti basic and extended basic beside the simple text option. The programs for download below are in the disk format used by pc99 unless otherwise indicated. In order to get a working installation, you should run the included setup script which will create the required files. Ti basic is based on dartmouth basic and complies to the american national standard for minimal basic ansi x3. Classic99 texas instruments ti994a downloads emulators. Programming graphics on the ti994a newline99 youtube. Ti extended basic is a discontinued implementation of the basic programming language interpreter for the texas instruments ti 99 4a home.
Further ti 99 4a manuals available in 1037109 style. The main purpose of this message is to delay vdm99 until the hook routine on the ti 99 4a is ready to accept command. Being the type of guy that is very much into retro technology check out my website. It would be cool to enlist all of this power to make parsec 2018 as a homage to the ti 99 4a and ti basic, ti ex basic. Ti 994a basic ti99basic is a version of texas instruments basic as found in rom on the ti994a. Ti994a basic rc free download free software downloads.