Trs 80 model iii software companies

It is one of the first notebookstyle computers, featuring a keyboard and liquid crystal display, in a batterypowered package roughly the size and shape of a notepad or large book. Trs80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs80 microcomputer lines. Software for the trs 80 model iv from the trs 80 archives. All three coco models maintained a high level of software and hardware. All i needed was the case, floppy drives and keyboard. File formats viewers download contributors misosys is roy soltoffs old trs 80 software company. It includes an integrated monitor, and an 8 diskette drive. The m3se model iii system expander is an addon device for the vintage radio shack trs 80 model iii, model 4, model 4d, and model 4p microcomputers. Sharp 80 with cpu internal display turned on about sharp 80. Level iii basic was said to be the first consumer product from microsoft, which had previously sold only to manufacturers.

He joined the company just before the trs 80 was introduced so he was able to participate in one of the great success stories of the early personal computer erathe trs 80 model i. I worked for a company in 1982 that had integrated a 5mb, and later a 10mb hard disk into the trs80 model iii. First of all, it adds data transportability you can read ldos diskettes on a trs80 model i, or on a model iii or 4. Until 1982, the trs 80 was the bestselling pc line, outselling the apple ii series by a factor of five according to one analysis. Roy has been out of the business for some years, and he has given me permission to put his trs 80 software and documentation up. Programs is just as uninspiring as the company s other software. David keil also developed a format, dmk, which mirrored the hardware possibilities more closely. Trs80 model 1 iii 44p cassette software page last updated on april 8, 2005. Trs 80 model i iii 4 software search important note read first this page contains information only with the following explanation being paraphrased with. Remember that you will need compatible trs80 drivers to use the hard drive just like you would on a real trs80. In mid1980, the broadly compatible trs 80 model iii was released. Until 1982, the trs 80 was the bestselling pc line, outselling theapple ii seriesby a factor of 5 according to one analysis. It offers the trs80 user manu features and enhancements that are not included in trsdos.

The trs80 model 100 is a portable computer introduced in 1983. Ldos is an advanced operating system developed for the trs80 model iii or model 4 in the model iii mode by logical systems. Other ports followed for the apple iii, zilog z80based tandy trs 80 model i, model ii, model iii, model 4, and sony smc70. It made computer history as one of the first mass marketed, fully assembled microcomputers. Although the aster was a clone of the trs 80 model i it was in fact more compatible with the trs 80 model iii, and ran all the software of these systems including games. This format for trs 80 model 1 disk images became know as the jv1 format, after jeffs initials. This page is a simplified version of david keils application software page. Radio shack trs80 model iii service manual pdf download. Discussions about the tandy trs 80 line of computers from the model i on up. The model 4 has a faster z80a 4 mhz cpu, larger video display of 80 columns by 24 rows, bigger keyboard, and can be upgraded to 128kb of ram. Mar 29, 2017 this one reproduces the sharp 80, a trs 80 model iii 8bit machine, and its author, matthew hamilton, has put in a lot of work to give the world the glory of whiteonblack. It has faster z80a 4 mhz cpu, a larger video display 80 columns x 24 rows with reverse video, bigger keyboard, internal speaker, and its 64kb of ram can be upgraded to 128kb of bankswitched ram.

The successor to the model iii is the trs 80 model 4 april 1983. Welcome to the model iii44d4p system expander m3se. I worked indirectly for logical systems, the company that produced ldos and later, after i left model 4 trsdos. The trs 80 model i and sony smc70 ports were the only versions of visicalc without copy protection. Welcome to the model iii 44d4p system expander m3se project. And please let us know if theres anything were missing. Radio shack trs 80 model 4 computer unboxing and test. In mid1980, the broadly compatibletrs 80 model iiiwas released. It also includes max 80, genie iii, lnw 80, system 80, and model 4 cpm, although those systems are incidental and are not really part of the archive. This list includes software that was sold labelled as a radio shack or tandy product. Buzz was a computer marketing expert and divisional manager at radio shack computer centers and so he offers a different perspective of the trs 80 story from what.

Tandy entered this market when it introduced the trs80 model ii in june. View and download radio shack trs 80 model iii service manual online. This page is dedicated to radio shacks trs 80 model 3 and the people who used them. By 1979, the trs 80 had the largest selection of software in the microcomputer market. The tandy trs 80 model iii was the third member of one of the most famous computer family preceded by model i in 1977 and model ii in 1979. Radio shack trs80 model 4 technical reference manual pdf. Eliza catalog number 261908, also known as talking eliza, was a trs. The trs80 model 4 is software compatible with the model ill so that owners of either system can take advantage of the large number of programs available. The tandy color computer line started in 1980 with what is now called the coco 1 and ended in 1991 with the more powerful coco 3. The radioshack trs 80 color computer later marketed as the tandy color computer and sometimes nicknamed the coco is a line of home computers based on the motorola 6809 processor. A collection of manuals, pamphlets, information leaflets and other materials regarding the tandy trs 80.

The trs80 model iiii44p never came from radio shack with a builtin hard drive, but many companies including radio shack sold hard drive addons. Trs80 software manuals qz ira goldklangs trs80 revived. Color computer 3 ntscpal version with 512k expansion ram card catalog number. Roy soltoff, who would later join schroeder to write software for the trs80. Radio shacks original trs80 family of computers low end mac. Model iii rom explained part 1 ira goldklangs trs80. Radio shack introduced the eventual replacement to the model i, the model iii, in 1980 the model ii, introduced in 1979, was part of a separate line of business. The big list of trs80 software instantly run any program below in a trs80 javascript.

Trs80s popularity and features generated interest in the business market, but it. Model iii operation and basic language reference manual 274 pages cat no. Search the trs80 software archive ira goldklangs trs80. They were sold directly through big five and were resold by many other companies. It also includes max80, genie iii, lnw80, and model 4 cp m, although those systems are incidental and are not really part of the archive. Radio shack also sold big five games in two collections compiled by cogito software. Theyre trying to market it as a business computer when the existing software is woefully. That is, graphics are always 640x240, text and graphics cannot be overlayed, and there are no scrolling registers. It was the first of the platformspecific computer magazines to become very popular, creating a model that many other magazines followed.

Trs80 cassette software page last updated on may 11, 2001. The trs 80 model ii microcomputer system, designed and manufactured by radio shack in fort worth, tx, was not intended to replace or obsolete the model i, it was designed to take up where the model i left off a machine with increased capacity and speed in every respect, targeted directly at the smallbusiness application market. Level iii basic was an enhanced version of level ii basic for the trs80 model i. Until 1982, the trs80 was the bestselling pc line, outselling theapple ii seriesby a factor of 5 according to one analysis. I have scanned and preserved a large quanity of trs80 software and documentation. This page is the main search page for trs 80 model i, iii, and 4 software. This page is the main search page for trs80 model i, iii, and 4 software. Clear the search box to show the entire planet emu list. In general model iii is an exciting new personal and small business computer. Enhcomp was a basic compiler written by philip oliver for the trs. In a previous life i was an operating system programmer for the radio shack trs80 model i and model iii.

The model iii was largely, but not completely, software and hardware compatible. Most of them should also work with the trs 80 model iii but some will not run successfully. This is a fullfeatured emulator of a trs80 model iii microcomputer. How trs 80 enthusiasts helped spark the pc revolution at. The big list of trs80 software instantly run any program below in a trs80 javascript emulator. The radio shack trs80 model 4 microcomputer is an enhanced version of radio shacks popular trs80 model ill microcomputer. The 4p versions will boot on a model iii, 4 or 4p system. Search the trs80 software archive ira goldklangs trs.

There is a scan of the manual for this card on wade finchers trs 80 page. Trs 80 was a brand associated with several desktop microcomputer lines sold by tandy corporation through their radio shack stores. Tandy trs 80 family was one of the first home computers and was launched at the same time as famous computers like the apple ii or the commodore pet. Site contains emulators, programs, manuals, books, patches, games, hints, discussions, questions, forums, and tons more.

Radio shack introduced the eventual replacement to the model i, the model iii, in 1980 the model ii, introduced in 1979, was part of a separate line of business computers. The original trs 80 micro computer system, which was later known as the model i, launched in 1977. Radio shacks model iii hires card is the same as the model 4 card except that the undocumented features of the model 4 card are not present. The following documents were found from various locations on the web. The model 4p versions of newdos 80 have a special modela iii rom image file that allows them to boot on the model 4p. The model ii used the trsdosii operating system which made it largely incompatible with model i software, and is thus considered a rather obscure trs 80 model. Little wonder this radio shack model is one of the most popular portables of all time. Trs 80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs 80 microcomputer lines. Unfortunately they did not realize that they had not removed all the screws so tried to pry the case apart. Please choose your search criteria from the boxes below. This was not a reversible trend while the trs 80 model iii and iv computers cleaned up some of the originals aesthetics, the systems basic capabilities were clearly being outstripped by its.

Now emulates diskbased model iii using phillips v1. The model 4 has a faster z80a 4 mhz cpu, 5 larger video display of 80 columns by 24 rows, bigger keyboard, and can be upgraded to 128kb of ram. It connects to the buffered expansion port, and provides these benefits. Trash80 escapes the dustbin of history with new trs80. The trs 80 model 100 instanton, with a comfortable keyboard and 20 hours of battery life. I added the zip files, contents listings and some archives. Includes emulation of model 3 mode, floppy drives, hard drive, sound, high resolution graphics, up to 128k of memory, realtimeclock, rs232 communications, and more. Unlike the model i, the model iii was an allinone design. Testing andor troubleshooting model iii floppy drives. Most people considered the big five software games to be the finest games ever written for the trs. Software for the trs80 model iv from the trs80 archives. By 1979, the trs80 had the largest selection of software in the microcomputer market. The documentation should answer most questions about the emulators functions. The radio shack trs 80 microcomputing system catalog number 261001, later known as the trs 80 model i, was introduced by radio shack on august 3, 1977.

Includes emulation of model 3 mode, floppy drives, hard drive, sound, high resolution graphics, up to 128k of memory, realtimeclock, rs. The trs80 model i was originally known as the trs80 micro computer. This part of the website contains my entire collection of trs 80 model 1system 80 software in 80 track, singlesided,singledensity disk images. I offer thanks to those that spent the time scanning these docs as it is a time consuming and thankless job. Until 1982, the trs 80 was the bestselling pc line, outselling the apple ii series by a factor of 5 according to one analysis. Arnstein and was licensed to radio shack through his company, device oriented games. He later developed another format for a trs 80 model iii iv emulator which supported double density. Find great deals on ebay for radio shack trs 80 and radio shack trs 80 pocket computer. A tribute to the dick smith system 80 aka video genie and pmc 80 81 introduction and other links. Radio shack trs80 model iii service and operation manuals. The trs 80 model i first version, there were several models that came after is a microcomputer that was sold by radio shack back in 1977 or thereabouts. In a previous life, i used to be an operating system programmer for the radio shack trs 80 model i and model iii. Looking at the trs 80 disk software page, theres a rather extensive selection of dos options that seem to work with the 4p and also claim high compatibility with the tandy trsdos option considering that i have a 4p with two floppy drives, and id like to run model iii and model 4 native software not cpm, is there a particular dos which is considered superior. The model iii is the successor to the model i and was released in 1981.

Welcome to the humongous trs80 archives, a humongous collection of trs80 related sites, books, magazines and software. Also included is the 250baud system tape for loading edtasm on a model 1 level 1 system. More recently, in a fit of nostalgia, ive gotten interested in trs80 model i iii 4 emulators. Trs80 trash talk is the podcast about all things trs 80. The trs80 model ii was a computer system launched by tandy in october 1979, and targeted at the smallbusiness market despite its name, the model ii was not an upgrade of the original model i trs 80, but an entirely different system. Debouncing using a hardware filter was another possible solution, but i dont know of any product that did that. Unlike other trs80 models, this machines does not have basic in rom. Trs80 model iii emulator for windows relive the glory of 80s 8bit computing. This page is a simplified version of david keils cassette software page. The trs80 model ii is a complete departure from the original trs80 design. This cut down on radio interference and helped with school sales which were concerned with. Welcome to the humongous trs 80 archives, a humongous collection of trs 80 related sites, books, magazines and software.

July radio shack introduces the trs80 pocket computer. The model ii was succeeded by the compatible trs 80 model 12, model 16 and model 16b and the tandy 6000. Radio shack learned from their keybounce mistake with the level ii rom. Ive made some major extensions to xtrs, an emulator that runs under unix with the x window system.

Tandy corporation introduced the trs80 model 4 in april 1983 as the successor to the trs80 model iii. Debouncing using a hardware filter was another possible solution, but i. It was designed as a business machine with a price to match, and loaded all of its system software from disk. It also had a built in speaker which was compatible with such games software. Tandy corporation introduced the trs 80 model 4 in april 1983 as the successor to the trs 80 model iii. The trs 80 model ii was a computer system launched by tandy in october 1979, and targeted at the smallbusiness market despite its name, the model ii was not an upgrade of the original model i trs 80, but an entirely different system. The display can be upgraded with a high resolution graphics card yielding 640x240 pixels. Trs80 microcomputer system model ii computer computing. Vintage radio shack trs 80 model iii microcomputer missing z key hacf. The story of tandy 10 years after the trs80 model 1. It is compatible with model iii software and cpm application software.