Software for the trs 80 model iv from the trs 80 archives. If you have model i, iii or 4 trs80 disks lying around, you may want to think about sending them in. The trs 80 model 4 looks like the model iii, however it has major improvements which make it much more powerful. The model 4p versions of newdos 80 have a special modela iii rom image file that allows them to boot on the model 4p. Appendix c of the users manual gives instructions on how to setup a hard disk. Daves old computers trs80 tandy 100102200, nec 82018300. View and download radio shack trs 80 model iii owners manual online.
Mini disk operation disk operating system disk basic programming language 182 pages desktop radio shack trs 80 technical reference manual. The most important of these is the ability to map out the roms and run with 64k ram. The t80fs1 flight simulator was a groundbreaking simulation program for the trs 80, written by bruce artwick and released by sublogic in february 1980. The model i was discontinued shortly thereafter, primarily due to stricter fcc regulations on radiofrequency interference to nearby electronic devices. Trs80 dos newdos80 ira goldklangs trs80 revived site. Radio shack trs80 model iii operation and reference manual. Radio shack trs80 model iii service and operation manuals. Micro computer system 192 pages desktop radio shack trs80 reference handbook. It was based on a2fs1, the original apple ii version of the flight simulator, also written by bruce artwick and released a few months earlier. I am in the process converting all the trs 80 software i have for use with the trs 80 emulators. Unlike the model i, the model iii was an allinone design. According to the product introduction in the november 1978 issue of the trs. I typed a basic program and the magic worked immediately, and years later, i ended with two engineering masters cs and ee, and jobs in vlsi and software.
This cut down on radio interference and helped with school sales which were concerned with. Tandy radio shack trs80 model iii mame progettosnaps. The trs 80 model 100 is a portable computer introduced in 1983. Trs80 model iii emulator for windows relive the glory of 80s 8bit computing. Mini disk operation, trsdos disk operating system, disk basic programming language. On these pages youll find trs80 software and hardware documentation that i have scanned. 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. Picclick insights for radio shack trs 80 model 100 service manual pdf cdrom 263801 picclick exclusive. This includes all radio shack model iii pro grams, as well as all model 4 programs. Definitive list of trs80 model ii operating systems. When available, i will also be scanning, ocring and converting, to pdf files, the software documentation and users manuals. These documents were then converted into pdf form to save space and for easier viewing and printing.
Software and disk images fro the trs80 model iii from the trs. Color computer 3 ntscpal version with 512k expansion ram card catalog number. Floppy disk controller schematic for model 3 and 4 19xxtandy. Radio shack trs80 model 4d disk system owners manual. Where possible these are exact images of the original distribution disks. However, the model iii version of trs 80 pascal must be patched before use under loos. I offer thanks to those that spent the time scanning these. Radio shack trs80 model iii disk system owners manual pdf cdrom. Texas peripherals tp standard 184k disk drive for the model iii, 4, and some external drives 261164, and 261161 2nd version in white case but can be adapted to other applications.
First of all, it adds data transportability you can read ldos diskettes on a trs80 model i, or on a model iii or 4. The following documents were found from various locations on the web. There is a scan of the manual for this card on wade finchers trs 80 page. Radio shack trs80 model 100 service manual pdf cdrom. Pdubl used with nonradio shack double density modifications on the model i. Downloadrscc diagnostics suite for the model iii 4 added 4th september, 2016 tests disk drives and rs232 model iii and 64k128k memory model 4. View and download radio shack trs80 model iii operation and reference manual online. These programs are for the trs 80 model 1 or clones like the system 80. The manual has very detailed discussions of the theory of operation of all the sections of the model i, fairly complete trouble shooting guides, and full schematics. Model iii disk system owners manual preliminary version1980radio shack. Disk scripsit reference manual for the model 4 1983tandy topics. Computer manuals hardware and software the archive. Newdos 80 is a disk operating system for the model i and model iii trs80 made by apparat, inc.
Radio shack trs80 model iii disk system owners manual pdf. Making a trs 80 model iii or 4 boot disk and getting other trs80 software from disk images. View and download radio shack trs80 model iii service manual online. Level iii basic was said to be the first consumer product from microsoft, which had previously sold only to manufacturers. Magnetic peripherials inc cdc flexible disk drive model 9404b service manual floppy drives in disk system thanks to kees stravers tandyxenixadministratorsguide. Ldos is an advanced operating system developed for the trs80 model iii or model 4 in the model iii mode by logical systems. Model iii operation and basic language reference manual 274 pages cat no.
Sep 26, 2014 an essential guide for working on trs80 computers is the trs80 model i technical reference manual. If you have found this page directly from an internet search as opposed to a link from my disk imaging introduction page you have most likely missed some important information. Radio shack trs80 model iii disk system owners manual. Radio shack trs80 model iii owners manual pdf download. Trs 80 hard disk operating system model i iii reference manual pdf. Jun 28, 2011 just showing what i did to fix an old trs 80 model iii that was damaged in shipping and also had a bad power supply. Some of the manuals are just pdfs of the scanned images. A collection of manuals, pamphlets, information leaflets and other materials regarding the tandy trs 80. Readwritecopy between different trs 80 and non trs 80 disk formats, includes msdos, coco dos, and most importantly for mappa1 users. Trs80 disk software page dos last updated on may 11, 2001.
In mid1980, the broadly compatible trs80 model iii was released. Index of cpmarchivestrs80librarymanualshardware classiccmp. 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. Most of them should also work with the trs 80 model iii but some will not run successfully due to hardware and rom differences. Now emulates disk based model iii using phillips v1. Radio shack trs80 model iii 4 4p diagnostics manual. Making a trs80 model iii or 4 boot disk and getting. If the data is intact, i can read them into virtual disk files dmk files which will serve not only to archive the disk forever, but would also allow you to use those virtual disks in an emulator on your current computer, and to extract the data to. An introduction to your disk system trs80 model 4 classiccmp. I offer thanks to those that spent the time scanning these docs as it is a time consuming and thankless job. Signal name description 1 ground 2 nc connector clamp not used on trs 80 model iii iv floppy disk controller fdc. Trs80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs80 microcomputer lines. Hds color computer floppy drive controller kit rev c hard drive specialists. Sharp 80 with cpu internal display turned on about sharp 80.
Trs 80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs 80 microcomputer lines. View and download radio shack trs80 iii service manual online. View and download radio shack trs 80 iii service manual online. It is compatible with model iii software and cpm application software. May tandyradio shack announces the trs 80 model ii. Tandy corporation introduced the trs 80 model 4 in april 1983 as the successor to the trs 80 model iii. 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. This applies whether you have a cassette or diskbased system. Level ii basic reference manual 1979radio shackpdf. 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. Rather than sell level iii basic directly to consumers, microsoft decided. Software and disk images fro the trs80 model iii from the trs 80 archives. Model iii disk system owners manual 639 downloads trs80 model i level 2 basic.
The trs80 model 4 looks like the model iii, however it has major improvements which make it much more powerful. The trs80 model 100 and the nec 8201a8300 are examples of a series of battery powered powertable computers based on a common design by kyocera. It is widely available in pdf format, but i have two printed copies. Lsutility disk for model iv dsk logial systems inc. In mid1980, the broadly compatible trs 80 model iii was released. Level iii basic was an enhanced version of level ii basic for the trs 80 model i. See the beginners manual for information on how to patch the trs 80 pascal. Tandy corporation introduced the trs80 model 4 in april 1983 as the successor to the trs80 model iii. The 4p versions will boot on a model iii, 4 or 4p system. This is a fullfeatured emulator of a trs80 model iii microcomputer. This allows the computer to run cpm the industry standard operationg system at the time.
This is an emulated floppy disk file that can be used by most trs 80 emulators. I was years old when i first saw a computer, at an event in middle school. Pdf documentation for the tandy trs80 model ii xs4all. Software for the trs80 model iv from the trs80 archives. That is, graphics are always 640x240, text and graphics cannot be overlayed, and there are no scrolling registers. Trs 80 model 1iii4 software pages last updated on may 11, 2001. This allows the computer to run cpm the industry standard operationg system at. In april 1983, the model iii was succeeded by the compatible trs 80 model 4. Radio shack trs 80 model iii disk system owners manual actual book one only.
October radio shack begins shipping the trs80 model ii to users. Trs 80 model iii floppy disk controller signals to radio shack drives pin no. Vcc tandy color computer 3 emulator for windows manual 1745. Details about radio shack trs80 model iii disk system owners manual pdf cdrom. Instantly run any program below in a trs 80 javascript emulator. 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. Radio shack trs80 model iii disk system owners manual actual book one only. Site contains emulators, programs, manuals, books, patches, games, hints, discussions, questions, forums, and tons more. Trs 80 technical manual 1978radio shack pdf created date. Radio shack trs80 disk and video interfaceand expansion floppy disk drive unit service manual 126 pagescatalog number 2638063807 also includes 68 page instruction manual on cdrom in adobe pdf format for windows pc if you use mac or linux let me know 201040750834. In april 1983, the model iii was succeeded by the compatible trs80 model 4. Radio shack trs80 model iii service manual pdf download. This site is the result of an effort to preserve color computer software and documentation. Trs80 model i 48k level ii system bring up and repair a.
Radio shack trs 80 disk and video interfaceand expansion floppy disk drive unit service manual 126 pagescatalog number 2638063807 also includes 68 page instruction manual on cdrom in adobe pdf format for windows pc if you use mac or linux let me know 201040750834. It offers the trs80 user manu features and enhancements that are not included in trsdos. Minidisk operation, trsdos disk operating system, disk basic programming language. The trs 80 pascal system may also be used under the the loos operating system floppy or hard disk versions on the model i or iii. On these pages youll find trs 80 software and hardware documentation that i have scanned. View and download radio shack trs80 model iii owners manual online. October radio shack begins shipping the trs 80 model ii to users.