There is a scan of the manual for this card on wade finchers trs80 page. Site contains emulators, programs, manuals, books, patches, games, hints, discussions, questions, forums, and tons more. Clear the search box to show the entire planet emu list. There is also some information on the model 100102, model 200, model 600, color computer, and pocket computer lines as well as printers. Contribute to lkesteloottrs80emulator development by creating an account on github. This cut down on radio interference and helped with school sales which were concerned with. The model 4p versions of newdos 80 have a special modela iii rom image file that allows them to boot on the model 4p. By imaging your disks and documentation, you can help to build the collection of rare artifacts in the model ii archive. Microsofts trs 80 adventure colossal cave by softwin. It was designed as a business machine with a price to match, and loaded all of its system software from disk. It is generally easier to use ordinary digits for the model 1, model 2 and model 3. From 1983 diskequipped trs 80 model 4 computers used trsdos version 6, which was a development of model iii ldos by logical systems, inc. This site is devoted to providing extensive information on the line of trs 80 personal home computers, with a specific focus on the model i, model iii, and model 4.
The goal of virtual t is to provide 100% hardware emulation so any existing programs will run. The model ii was succeeded by the compatible trs80 model 12, model 16 and model 16b and the tandy 6000. The goal of the game is to score as many points as possible by breaking read more. Trs80 8 mb hard drive three wire fix pski software. The trs80 model i iii 44p never came from radio shack with a builtin hard drive, but many companies including radio shack sold hard drive addons. Tandy corporation introduced the trs80 model 4 in april 1983 as the successor to the trs80 model iii. Also included is the 250baud system tape for loading edtasm on a model 1 level 1 system. Zal was one of the most advanced assemblers ever written for. This last was updated in 1987 and released as lsdos 6. Includes emulation of model 3 mode, floppy drives, hard drive, sound, high resolution graphics, up to 128k of memory, realtimeclock, rs.
That is, graphics are always 640x240, text and graphics cannot be overlayed, and there are no scrolling registers. Its free, open source, devoted to the open web, and will never have popups or. By 1980, radio shack had released the new trs80 model iii. The trs80 micro computer system is a desktop microcomputer launched in. The big list of trs 80 software instantly run any program below in a trs 80 javascript emulator. Breakdown a new trs80 game pski software development. Virtually all our software and most nonradio shack software for the model i is. 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. Color computer 3 ntscpal version with 512k expansion ram card catalog number. 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. Maybe you no longer have a model ii but you held onto your disks or maybe you obtained. Trs80 model ii archive project pski software development.
Usergroup offering a dsdd newdos 80 emulator for the model i and pc trs80 transfer software and information on hardware projects. These virtual disks are, in most cases, the original distribution disks converted to virtual disk. It also adds powerful development and debugging tools. The model iii is basically an upgrade of the model i, which was released three years earlier. These virtual disks can be used with my emulator or to make real trs80 diskson pcs with compatible drives for use on a real trs80. Pascal source code could be compiled directly to memory or to disk. It is basically a super model i, with all of the model i options builtin, including up to 48k ram and two optional internal floppy drives. His programmers pushed hard for him to go with apparats newdos, which.
There are rom files for its basic language and character set chips built into the system but im not aware of any games that were distributed that way. Virtual disks of trs80 disk operating systems this page contains model 1, iii, 4 and 4p disk operations systems. When booted from a model iii operating system disk, the. Breakdown is inspired by the classic video game breakout and to a lesser degree tetris. The product will initially support the trs80 model iii and 4 as this is the current support level of. Definitive list of trs80 model ii operating systems. The trs 80 model ii is a complete departure from the original trs 80 design. Radio shack introduced the eventual replacement to the model i, the model iii, in 1980. The goal of the game is to score as many points as possible by breaking as many bricks as possible with a bouncing ball while trying to. The first one to be released was the 8 mb hard disk drive for the trs 80 model ii.
Model 4 software public domain seems to be much more plentiful as well and you can still run model iii software in the model 4s model iii mode. Sending a text message from a trs 80 model 100 using the twilio sms api and an esp8266. 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. It was written by phelps gates, also the author of apl 80, an apl compiler for the trs. Model 102 applications and basic reference guide 1985tandypdf topics. Trs80 disk software page games last updated on may 11, 2001. And please let us know if theres anything were missing. Welcome to the humongous trs80 archives, a humongous collection of trs80 related sites, books, magazines and software. Ast bought the rights to the trs 80 line but microsoft still owns the rights to the level ii and model iii roms. It has the same cpu, but it is faster, has more memory, and the floppy drives hold twice as much data, although the model i could be upgraded to some of these features.
The model iii was largely, but not completely, software and hardware. Profile iii plus customer service bulletins 1986tandy topics. First of all, it adds data transportability you can read ldos diskettes on a trs80 model i, or on a model iii or 4. System 80 support site dedicated to the system 80, a trs80 model 1 clone, popular in australia and new zealand in the early 1980s and a trs80 model 1 nearclone.
Unlike the model i, the model iii was an allinone design. From a hardware standpoint, the model 4 keyboard is greatly improved over the 3 and of course the 80 by 24 display is much more convenient. The pascal 80 package consisted of a fullscreen text editor, monitor, and compiler. If you just want to check out the software and know little about how a trs80 model 1system 80 works simply do the following.
First introduced in 1981, mzal which stood for modular z80 assembly language was written by jeffrey krantz and david willen. Trs 80 8 mb hard drive three wire fix starting in 1981, tandy radio shack released a number of different hard drives for their popular line of microcomputers. The trs80 model ii was a computer system launched by tandy in october 1979, and targeted at the smallbusiness market. The 4p versions will boot on a model iii, 4 or 4p system.
The display can be upgraded with a high resolution graphics card yielding 640x240 pixels. 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. Search the trs80 software archive ira goldklangs trs. Trsbox serial demo on a trs80 model iii with frehd youtube. Exatron first demonstrated the s100 version of the stringy floppy at the west coast computer faire in march 1978. Mzal was a powerful diskbased editor assembler system for the trs 80 model i and iii. Later diskequipped model iii computers used a completely different version of trsdos by radio shack which culminated in 1981 with trsdos version 1. Included is the original model 1 version plus the later version that was modified for the model iii 4.
Ldos is an advanced operating system developed for the trs80 model iii or model 4 in the model iii mode by logical systems. Lots of trs80 software can still be used thanks to trs80 emulators. Regarding dosplus for the model ii, in 2005 i contacted steve pagliarulo asking if he had the source code still and unfortunately he said he had looked but could not find it. The trs 80 model i iii system did not have a cartridge slot, just tape and disk media. It includes an integrated monitor, and an 8 diskette drive. Software for the trs80 model iv from the trs80 archives. Radio shack lore ira goldklangs trs80 revived site. Trs80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs80 microcomputer lines. This is a demonstration of the trsbox serial software on a trs80 model iii with a frehd hard drive emulator and an atc serialip. Of course that radio shack had a crucial role in the trs80 development. Many software publishers issued patches to permit their model i. The big list of trs 80 software instantly run any program below in a trs 80 javascript.
This archive is concerned exclusively with the preservation of artifacts for the trs80 model ii so that future enthusiasts can keep these historically important microcomputers operational. It should run on any trs80 model i, iii or 4 with 16k or more of ram. Programming basic 19842014 iniatiated the first technology clubs at these schools. Model iii was the official name, although 3 and iii were and are used interchangeably by many people. Unlike other trs 80 models, this machines does not have basic in rom. Pascal 80 was a pascal development system for the trs. A collection of manuals, pamphlets, information leaflets and other materials regarding the tandy trs 80. Despite its name, the model ii was not an upgrade of the original trs80, but an entirely different system. They are known as the model i, model ii, model iii, model 4, model 4p, model 4d, model 12, model 16 and model 6000.
The successor to the model iii is the trs80 model 4 april 1983. It offers the trs80 user manu features and enhancements that are not included in trsdos. Virtual t is a trs 80 model 100102200 emulator that runs on windows, linux, and macintosh. Category for the original trs 80 micro computer system aka model i and its compatible successors, the model iii and model 4 trs 80 microcomputer launched in 1977, sold by tandy corporation through radioshack stores. Now emulates diskbased model iii using phillips v1. Remember that you will need compatible trs80 drivers to use the hard drive just like you would on a real trs80. 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. Try them in the trs80 or system 80 emulators and marvel at what could or could not be achieved in 48k of ram. Please choose your search criteria from the boxes below.
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