Trs 80 cassette software engineering

Please choose your search criteria from the boxes below. The gazette described the products sold by the two companies, mixed in with operational advice and interesting facts about using cassettes with your trs. Guide to the radio shack collection online archive of california. The trs 80 was one of the first complete personal computers available.

Trs80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs80 microcomputer lines. How to use virtual cassettes with matthew reeds trs80. Software for the trs 80 model iv from the trs 80 archives. Try them in the trs 80 or system 80 emulators and marvel at what could or could not be achieved in 48k of ram. Heres a nice full color ad that we placed in several magazines.

Tandy vintage computer parts and accessories for sale ebay. Ulcbas is the lower case driver for cassette basic. It was introduced at around the same time as the commodore pet 2001 and the apple ii and competed with those machines directly. Expansion interface, disk drive, some software, most manuals, trs 80 model i with. 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. Trs80 pc1, sharp also manufactured their pc1500 in a version for tandy radio shack. We have 38 radio shack trs 80 manuals available for free pdf download. Im working on getting an input from a cassette for a trs80 microcomputer of 70s vintage. The trs80 micro computer system is a desktop microcomputer launched in 1977 and sold by.

The trs80 pocket computer interface and minisette9 recorder allow you to save and load your own porgrams, or use radio shacks prerecorded pocket computer software. Connect your trs 80 cassette input to your pc soundcard. Our engineering staff rewrote the popular apache webserver software to run on an 18 yearold portable computer with 32k of memory. 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. How much control over the trs 80 model iiis floppy drive controller can be effected via relatively simple commands, typed into its builtin cassette basic. 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. A model i with monitor and cassette recorder from a radio shack catalog.

Mar 05, 2020 34 points microsoft basic 80 for trs 80 model 100. This machine was marketed as the trs80 pc2 catalog number 263601. Trs80 pc2 after the success of the trs80 pocket computer a. Big five produced nine games for radio shacks model trs 80 computers. For the apple development, he was provided with content in two forms, a basic listing from a commodore pet 2000, and limited time to run the program on that system and take notes on its execution. Try them in the trs80 or system 80 emulators and marvel at what could or could not be achieved in 48k of ram. Once the command returned, the program was stored and you could stop recording. The cassette gazette was a 1983 one issue advertising newsletter that was a joint production of lemons tech and kwik software. Vintage radio shack trs 80 pocket computer printer. Search the trs80 software archive ira goldklangs trs. The latest development in electronics for the home, according to radio shack, is a.

Cassette auto turbo can be used to disable this feature. Consequently, a lot of software was written for this vanilla tapebased configuration. Usually youd leave a span of extra space and then record your next program, noting the counter of that program with a little log notepad. I have used the menu to insert the virtual cassette, and the emulator as expected creates a new, blank. As with the trs 80, when people first purchased their shiny system 80 it was usually as a cassette based 16 kilobyte ram machine. Ctr80a trs80 computer cassette recorder peripheral. Trs80 revived site by ira goldklangs is an archive of everything related to the. With this package of seven programs, the trs80 pocket computer becomes a powerful decisionmaking tool for professionals in the field of. Trs 80 documentation preservation pages last updated on october 8, 2000.

Breakdown a new trs80 game pski software development. Designed for portability and ideal for use at home, office, school or anywhere you travel. The following is a list of trs80 software in the centre for computing history collection. Trs 80 cassette software showing 110 of 10 messages. How to use virtual cassettes with matthew reeds trs80 model. The trs80 cassette interface cable is comprised of 4 main parts. I am using it to emulate a model iii with level ii basic. Trs80 pocket computer pc6 radio shack product description rsc17 an ideal tool for engineers and students, the pc6 combines the best features of a powerful scientific calculator and a pocket computer.

This part of the website contains my entire collection of trs80 model 1system 80 software in 80 track, singlesided,singledensity disk images. Youll soon be impressed by the phenomenal computing power of this handheld trs 80 ideal for mathematics, engineering and business application. Tandy radio shack trs80 pocket computer pc1 and pc3. 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 radio shack trs 80 pocket computer pc1 and pc3, and tandy pocket computer pc8. Im fooling around with matthew reeds trs 80 model 1iii4 emulator for windows trs32 and am have trouble using virtual cassettes. It is a second order high pass active filter with rolloff frequency of 2khz in a sallenkey topology with a unity passband gain, and ive used this as an input to a 555 timer with with appropriate threshold voltages. The tandy trs80 model 4d computer engineering radio. The history of the trs80 begins with don french, a computer hobbyist and. Trs 80 pc1, sharp also manufactured their pc1500 in a version for tandy radio shack.

Each software package includes a comprehensive, easy to understand manual. A cassette tape drive for program storage was included in the original base package, but it. Most of the manuals available for download were then ocred and made into word 97 documents. The real goal is to learn as much as possible and have fun doing it. 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.

Clear the search box to show the entire planet emu list. When you then run the playcas utility, you can cload or system on the trs80 and feed it an emulated cas file. As with the trs80, when people first purchased their shiny system 80 it was usually as a cassettebased 16 kilobyte ram machine. Near as i can tell, this computer dates from about 1985 or so, it looks remarkably like my apple iie of the same vintage. The broad objective is to be able to use a cassette tape as inputoutput for an fpga, with the goal of working towards full compatibility with trs80 cassette tapes perhaps with a zilogcompatible softprocessor. This part of the website contains my entire collection of trs 80 model 1system 80 software in 80 track, singlesided,singledensity disk images. Cassette autosave capture scott adams adventures saves one instead of. Until 1982, the trs 80 was the bestselling pc line, outselling the apple ii series by a factor of five according to one analysis.

We used an earlier model trs 80 in high school, that model had a cassette deck as the data storage device. If all i wanted to do was format floppies, or type in the occasional basic program, then i was golden. Hardware cassette ira goldklangs trs80 revived site. Ira goldklangs trs80 revived site, model 4p model 100 pocket computer. Trs 80 model 1iii44p cassette software page last updated on april 8, 2005. All require the cassette interface and compatible cassette recorder. In mid1980, the broadly compatible trs 80 model iii was released. As the bible says, so shall the first be last and the last first or something, and so it is with the sharpsourced tandy pocket computers as the pc1 introduced the line and the pc8 concluded it, despite the casio interlopers pc4567 jumping in the middle. My understanding is that general usage of the drives requires booting into diskette basic. Trs 80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs 80 microcomputer lines. At the time radio shack offered a floppy drive with the trs80. Radio shack trs 80 manuals manuals and user guides for radio shack trs 80.

Trs 80 pc2 after the success of the trs 80 pocket computer a. Vintage radio shack trs 80 pocket computer printer cassette interface 263591. This machine was marketed as the trs 80 pc2 catalog number 263601. They were originally released on cassette, but later we produced disk versions as well. It made computer history as one of the first mass marketed, fully assembled. Site contains emulators, programs, manuals, books, patches, games, hints, discussions, questions, forums, and tons more.

Pascal holdry has finished his chromatrs reverse engineer and has posted a. By 1979, the trs 80 had the largest selection of software in the microcomputer market. It was too expensive to use an entire cassette for a single program, so youd just. Indeed, adding disk drives and memory expansion often cost more than the base unit itself.

The trs 80 pocket computer catalog number 263501 was the first in radio shacks line of pocket computers. Dec 07, 2011 the cassette recorders interface was extremely sluggish and also inconsistent. Oct 22, 2016 in practice is was fairly reliable, and i was horrified when i later used a trs 80 cassette based computer, where recovering the program off tape was a crap shoot and required a lot of manual. You can find the darnest things at the transmitter site. View and download radio shack pc2 trs 80 owners manual online. January radio shack introduces the trs 80 model 16, with 8inch floppy drives, and optional 8mb hard drive. A complete history of the trs80 including important events, milestones. 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 page is the main search page for trs80 model i, iii, and 4 software. Get the best deals on tandy vintage computer parts and accessories and find. The trs80 would start sending the program to the tape deck after receiving a command typed into the keyboard. They can also be copied or converted for use on modern media players and then loaded on the mc10. But the test your drives first section offers this magic command to turn the drives on. The machine only gave a crude indication of whether the volume was properly set up.