Trs 80 model 1iii44p cassette software page last updated on april 8, 2005. Radio shack trs80 model 4 computer unboxing and test. What word processor on trs 80 are you using that loads from a cassette. If you have the standard trs 80 cable plug the plug that normally goes into the ear output of a ccr8x into the pcs headphones output. 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. The trs 80 maps keyboard switch states into a range of memory addresses which when read, have particular bits set for particular keys. Reported to us as tested and working when removed from the machine. I finally did dig up my null modem cable and got the little laptops talking to the pc again, and i also dug up my old cassette software for the t100200. It connects to the expansion port on the left rear of the model i keyboard unit. 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. When the trs80 goes to read the cassette usually as the result of a cload or system command the emulator will send the data to the trs80 and go into turbo mode to load the data as quickly as possible.
The ac adapter usstyle plug, ullisted needed to power the mire, and the ribbon cable assembly to attach the mire to the trs 80, are both included. We have 38 radio shack trs 80 manuals available for free pdf download. Although most of the software marketed for the system 80 was written primarily for the trs80 model 1, there were a few programs commissioned by dick smith and written for his new computer. Welcome to the model i replacement expansion interface mire project. Bas files can be converted to cas or wav using an emulator. Tape storage soundly beat constantly retyping programs, but it still sucked pretty bad. Later, a 32k model would be available, and the microsoft color basic would give about 24k of free memory with the rest of the memory used by the video display, cassette buffers, basic input buffer, etc.
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. This page is the main search page for trs 80 model i, iii, and 4 software. Vintage radio shack tandy trs80 model 4 64k cassette. Otherwise, i had no cheap and convenient means to get existing trs80 software transferred to a trs80 disk format so i can use it on the computer until recently. All three coco models maintained a high level of software and hardware. Radio shack trs 80 manuals manuals and user guides for radio shack trs 80. Search the trs80 software archive ira goldklangs trs80.
Trs80 in an fpga keyboard controller topten software blog. This post describes the keyboard controller which processes keys through 4 simple but distinct stages. The trs80 cassette interface cable is comprised of 4 main parts. Consequently, a lot of software was written for this vanilla tapebased configuration. It would be great if this web page had a link to a 500baud wav file and i could just plug my diskless trs 80 into my smartphones trs 80 interface i. Heres a nice full color ad that we placed in several magazines. And please let us know if theres anything were missing. The cassette gazette was a 1983 one issue advertising newsletter that was a joint production of lemons tech and kwik software. The gazette described the products sold by the two companies, mixed in with operational advice and interesting facts about using cassettes with your trs. Plus, the ctr80a cassette recorder 261206 lets you store and and. Mar 18, 2018 back in march 2017, i bought a trs80 model 3 on ebay. 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. The advertisement opposite, taken from micro80, issue 10, september 1980.
It is generally easier to use ordinary digits for the model 1, model 2 and model 3. They were originally released on cassette, but later we produced disk versions as well. When the original radio shack trs 80 color computer was released in 1980, it was sold as either a 4k or 16k system. Heartbeat interrupt for maintaining dos software clocks. It would boot to the basic rom by holding down the break key as you reset it. They are known as the model i, model ii, model iii, model 4, model 4p, model 4d, model 12, model 16 and model 6000. This listing is for a vintage radio shack tandy trs 80 model 4 64k cassette version 261067 case only. But i have now moved on to playcas and am attempting to load sea dragon over the headphone jack on my surface pro. By 1979, the trs80 had the largest selection of software in the microcomputer market. Trs80 model 1iii44p cassette software page last updated on april 8, 2005. Jan 04, 2020 big 80 is an implementation of a trs 80 model 1 in an fpga. But it wouldnt boot from disk, either from the supplied trs 80 boot disks, nor my video genie boot disks. The advertisement opposite, taken from micro 80, issue 10, september 1980, shows that dick smith was serious about building a bank of homegrown programs. To test this source code the output of the cassette player was connected to the mimas v2s audio output jack which was then recorded on a pc in audacity where it could be inspected.
In mid1980, the broadly compatible trs80 model iii was released. This listing is for a vintage radio shack tandy trs80 model 4 64k cassette version 261067 case only. Indeed, adding disk drives and memory expansion often cost more than the base unit itself. Due to the limited testing and because vintage components can fail at any. Similarly, there is no way provided to access the cassette from pcdoss disk basic. By 1979, the trs 80 had the largest selection of software in the microcomputer market. Funny thing is when i run that in an emulator now, i feel like ive forgotten all of the commands, but my fingers have muscle memory and just know what to do. Also included is the 250baud system tape for loading edtasm on a model 1 level 1 system.
A cassette tape drive for program storage was included in the original base package, but it proved slow and fiddly in practice. Also included is the 250baud system tape for loading edtasm on a. Trs 80 model 4 fixing the power supply and writing. A simple basic language program allows the standard trs80 tape recorder to. In the previous part, i unbox this 80 s home computer and find i let the smoke out when i turned it on.
Feb 10, 2018 here we take a quick look at the trs80 model 1 that i recently completed work on. No file system on sd card so each tape starts on a 16k boundary. In mid1980, the broadly compatible trs 80 model iii was released. Use your pc as a cassette player for your trs 80 model iiii4 level i and ii ok, the long promised play cas fix, again. A look at the final member of the radio shack trs80 series of computers, the tandy model 4d, sold from 1985 until at least 1990 possibly. This page is the main search page for trs80 model i, iii, and 4 software. In this video, i troubleshoot and fix the power supply and use an old dos pc to make some. Welcome to the model i replacement expansion interface. Testing the complete trs80 keyboard controller to test the entire keyboard decoding and mapping i created a project source code that uses the 8 dip switches on the mimas v2 to select the address lines and the 8 segment led strip to show whats returned for that memory address. When prompted, insert the edtasm tape, set the baud rate to 500 and enter edtasm. Assembler source code converter for tape 124627, 1, cmd, autorun.
It provides vga video and ps2 keyboard so as to be usable with commonly available hardware todate well, ps2 keyboards are becoming rare, but it works with a usbtops2 adapter as well. I did some testing to make sure it turns on and tapes run. Otherwise, i had no cheap and convenient means to get existing trs80 software transferred to a trs80 disk. Please choose your search criteria from the boxes below. The trs80 model 100 is a portable computer introduced in 1983. Describes building and testing of a midi interface for the trs80 model 4 or 4p computer. The big list of trs 80 software instantly run any program below in a trs 80 javascript emulator. Journal in november 1978 and was released by 80nw publishing later 80u. The tough thing about loading tapes on model i is that you need to know the loading commandfile name, particularly for games written in assmebly.
Vintage radio shack trs 80 pocket computer printer. Model iii trsdos comes with disk basic and a comprehensive manual. Integrated tape the cassette gazette page 12 trs80. If you know nothing about your trs80 computer, start with this manual. Vintage radio shack tandy trs80 model 4 64k cassette version.
Until 1982, the trs80 was the bestselling pc line, outselling the apple ii series by a factor of five according to one analysis. Here we take a quick look at the trs80 model 1 that i recently completed work on. Trs80 model 12 with keyboard and dust coverpowers on but no further testing has bee done. Welcome to the humongous trs 80 archives, a humongous collection of trs 80 related sites, books, magazines and software. Apr 15, 2017 the trs80 tandy 2000 marked the end of the line for the trs80 branda shift which came just as the industry began transitioning to a msdos based standard pioneered by the 1981 ibm pc. Software for the trs80 model iv from the trs80 archives. This driver can not be executed from basic, it must be converted to a cmd disk file using the tapediskcmd utility included in trsdos 2. Big five produced nine games for radio shacks model trs 80 computers. Programs can be saved on cassettes with the optional cassette. If all i wanted to do was format floppies, or type in the occasional basic program, then i was golden.
Although most of the software marketed for the system 80 was written primarily for the trs 80 model 1, there were a few programs commissioned by dick smith and written for his new computer. Vintage radio shack trs 80 printer cassette interface for model pc3good conditionac wall adapter8. How to use virtual cassettes with matthew reeds trs80. Software for the trs 80 model iv from the trs 80 archives. It appears to have been written by wayne lemons, the. The first version offered, known as the model i, had a blackandwhite display with character mode graphics, and could not support a disk drive or more than 16k of memory without adding on a special expansion. Just got a trs80 model iii, and i have questions tandy. Oct 22, 2016 his recording device was originally a hifi separate cassette deck after experimenting with microcassettes, but eventually he used a data recorder designed for a radio shack trs 80. A limited amount of software was available on cassette for the mc10, including lunar lander, checkers, and a machinelanguage pinball program. Consignment sale for a collector who is downsizing.
This is the basic programming reference manual for level 1 basic computers only. It was featured on the cover of 80northwest journal later 80u. Welcome to the model i replacement expansion interface mire. Program it to file a stock portfolio or to calculate business, engineering or scientific problems. It is compatible with model iii software and cpm application software. Annoyingly, there is no way provided to access the disk system from roms cassette basic. Jan 02, 2020 big 80 is an implementation of a trs 80 model 1 in an fpga. This post describes the virtual cassette player that reads binary.
As with the trs80, when people first purchased their shiny system 80 it was usually as a cassettebased 16 kilobyte ram machine. Breakdown a new trs80 game pski software development. I was 17 years old when i received this computer in the fall of 1982. Hardware cassette ira goldklangs trs80 revived site.
The mire is a modern replacement for the trs80 model i expansion interface. Back in march 2017, i bought a trs 80 model 3 on ebay. I have some instant software releases id like to test and play on cassette for trs 80 model i. Jan 27, 2018 in the previous part, i unbox this 80 s home computer and find i let the smoke out when i turned it on. If the emulator can output the sound to the pc soundcard this can be connected to the model i, headphone output to the ear input. To load from a cassette tape, use cload to save a basic program, use csave. This site is the result of an effort to preserve color computer software and documentation. Im fooling around with matthew reeds trs 80 model 1iii4 emulator for windows trs32 and am have trouble using virtual cassettes. When you then run the playcas utility, you can cload or system on the trs80 and feed it an emulated cas file. Radio shack ccr81 model 261208 trs80 computer cassette. Replacing a video ram chip, adjusting the voltages and testing. Android nim was leo christophersons first game for the trs. A collection of manuals, pamphlets, information leaflets and other materials regarding the tandy trs 80. The trs 80 short for tandy radio shack z 80 was radio shacks entry into the consumer microcomputer market.
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. You simply connect your trs80 cassette input to your pc soundcard if using a standard trs80 cable plug the plug that normally goes into the ear output of a ccr8x into the pcs headphone jack. Tandy corporation introduced the trs 80 model 4 in april 1983 as the successor to the trs 80 model iii. Until 1982, the trs 80 was the bestselling pc line, outselling the apple ii series by a factor of five according to one analysis. How to use virtual cassettes with matthew reeds trs80 model. Cassette auto turbo can be used to disable this feature. As with the trs 80, when people first purchased their shiny system 80 it was usually as a cassette based 16 kilobyte ram machine. However, as most programs written in basic for other trs 80 models were compatible with the mc10, many books with basic programs were available for the user who was willing to type in the code. These virtual disks are, in most cases, the original distribution disks converted to virtual disk. Trs80 2 cassette games hound of the baskervilles and pyramid. Due to the limited testing and because vintage components can fail at any time it. Write, read, verify, search, testread, and catalog basic programs, also any block of ram.
View and download radio shack pc2 trs 80 owners manual online. Search the trs80 software archive ira goldklangs trs. But it wouldnt boot from disk, either from the supplied trs80 boot disks, nor my video genie boot disks. Welcome to the old site has been removed and only the downloads section kept as the site had become cluttered and a target for spambots etc. Vintage radio shack tandy trs 80 software library binder rare very nice manual. Connect your trs 80 cassette input to your pc soundcard.
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