The different disk format and system architecture made it impossible to run model iiii software on the model ii, thus it never. Except for simple basic programs, the model ii wasnt compatible with model i software. But what always intrigued me was the missing link, the trs80 model ii. Tandy executives recognized that, and on may 30, 1979, the trs80 model ii, a stateoftheart business machine was announced. I got a copy off the model ii lsdos disk image from my misosys software page. View and download radio shack trs80 model ii reference manual online. The m3se model iii system expander is an addon device for the vintage radio shack trs80 model iii, model 4, model 4d, and model 4p microcomputers.
October radio shack begins shipping the trs80 model ii to users. At its height, it was described as offering 15,000 programs for the model iiii44p4d. Enter the url for an image to download a trs80 model ii iii4 computer graphics ie. Until 1982, the trs80 was the bestselling pc line, outselling the apple ii series by a factor of 5 according to one analysis. Welcome to the humongous trs80 archives, a humongous collection of trs80related sites, books, magazines and software. Vintage software and manuals for the tandy trs80 model ii121616b6000.
The model ii used the trsdos ii operating system which made it largely incompatible with model i software, and is thus considered a rather obscure trs80 model. It upgraded a model 4 or 4p by replacing the 4 mhz z80 with a 6 mhz z80 compatible processor hitachi hd64180 and adding 256k of banked ram. Software for the trs80 model iv from the trs80 archives. The best way to utilize this archive is to sync with it using git. Book listing basic typein programs for the tandyradio shack trs80 model 100 portable computer. The trs80 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. While doing some digging on the similarities and differences between level ii basic and model ii basic im bringing my tandy 2 to midwest gaming classic and thought it would be cool to convert a model i game to the model ii, i came upon this. The trs80 model ii was the first in the line of radio shack business computers that eventually included the model 16, model 12, and tandy 6000.
Despite the name, the color computer was a radical departure from earlier trs80 models in particular it had a motorola 6809e processor, rather than the trs80s zilog z80. This page is the main search page for trs80 model i, iii, and 4 software. The big list of trs80 software instantly run any program below in a trs80 javascript emulator. This group of machines will be referred to as the trs80 model ii family. It was introduced at the june 1979 national computer conference in new york city. The first two fully graphical versions were renamed personal deskmate i and ii. Clear the search box to show the entire planet emu list. September one month after launching the trs80, 10,000 are sold. There was an advanced version of their strange scripsit word processor, that had the posibility of outputting documents to the serial port for transfering to other systems.
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. Vintage software and manuals for the tandy trs80 model ii 121616b6000 the best way to utilize this archive is to sync with it using git. 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. Trs80 model ii archive project pski software development. It turns out that the version of convcmd that came with model ii lsdos 6. Please choose your search criteria from the boxes below. It is generally easier to use ordinary digits for the model 1, model 2 and model 3. It also includes max80, genie iii, lnw80, system80, and model 4 cpm, although those systems are incidental and are not really part of the archive. Despite its trs80 heritage, the trs80 color computer differed greatly from its predecessor with the implementation of a motorola 6890e, rather than a zilog z80 processor. The trs80 model i and sony smc70 ports were the only versions of visicalc without copy protection.
Westlaw radio shack trs80 model ii microcomputer 264560. Now emulates diskbased model iii using phillips v1. And please let us know if theres anything were missing. It had dual 8 disk drives and might have taken the business market by storm had it not had a nameplate reading radio shack. By imaging your disks and documentation, you can help to build the collection of rare artifacts in the model ii archive. After the boot is finished, type dir at the cursor. The model ii was delivered as a 4 mhz z80 based microcomputer system. Included is the original model 1 version plus the later version that was modified for the model iii4. I have a trs 80 model ii with a keyboard problem, some software and a working, at least last time i used it, dwp 410. Like the model ii, there is no rombased os and all os software was ramresident and loaded from disk at bootup. After the initial overwhelming success of the trs80 model i in 1977, tandy radioshack quickly decided to capitalize on their good fortunes and proceeded. Trs80 model ii disk operating system reference manual trsdos 2. Tandy corporation introduced the trs80 model 4 in april 1983 as the successor to the trs80 model iii.
Trs80 model ii the model ii was delivered as a 4 mhz z80 based microcomputer system. Trs80 model i 48k level ii system bring up and repair. As well as the original model i and its compatible descendants, the trs80 name was later used as a generic brand on other technicallyunrelated computer lines sold by tandy, including the trs80 model ii, the trs80 color computer and the trs80 pocket computer. Our unit which has twin 8inch disk drives was very kindly donated by pat dudman. Trs80 model ii is radio shacks fastest and most powerful microcomputer. In mid1980, the broadly compatible trs80 model iii was released. Radio shack trs80 model 4 computer unboxing and test. The model ii was succeeded by the compatible trs80 model 12, model 16 and model 16b and the tandy 6000. Other ports followed for the apple iii, zilog z80based tandy trs80 model i, model ii, model iii, model 4, and sony smc70. You will have to run gron and groff to toggle the hires video.
The model 100 not to be confused with the trs80 model 1, one of our 25 greatest pcs of all time still inspires an awful lot of admiration. Trs80 model i 48k level ii system bring up and repair this is the story of bringing up and repairing a trs80 that had not been powered on in 30 years. Although many programs were compatible, there are enough differences between the model i and model iiiiv for model 1 programs to have issues. User manuals, guides and specifications for your tandy trs80 model ii desktop, printer, storage. Once downloaded, copy the file to your trs80 emulator or real machine and then run gload imagebin. Payroll radio shack trs80 model ii microcomputer 264503. Pdf documentation for the tandy trs80 model ii xs4all. It is a large cabinet which holds the computer, the monitor and a single sided full height shugart 8 inch drive, which used single sided floppies with a capacity of 500k. Tandy had a great deal of software for the model ii. The file cabinet was the largest collection of trs.
The computer was too limited for such use, so the company began development on the model ii in late 1978. The model ii had advanced features compared to the model i, such as direct memory access dma. The trs80 model ii was the first in the line of radio shack business. By 1979, the trs80 had the largest selection of software in the microcomputer market. Trs80 model ii lotech ide driver for lifeboat cpm, demo. There are model ii manuals that i have never seen that may or may not still exist. It connects to the buffered expansion port, and provides these benefits. Around the summer of 20 i bought a number of old computers from a retired professor in nj. Gload comes with the trs80 computer graphics software packages. Tandy trs80 model ii manuals and user guides, desktop. Database contains 5 tandy trs80 model ii manuals available for free online viewing or downloading in pdf. I have a this trs80 model ii has 64k of memory and a disk expansion system with 2 additional disk drives.
I recommend using an emulator to readwrite trs80 diskettes instead. This is the level ii basic reference manual, needed for cassette based model i computers with level ii basic, or when booting your disk based model i into cassette basic by holding down the break key while powering up or pressing the reset button. Also included is the 250baud system tape for loading edtasm on a model 1 level 1 system. The model 4s memory mapping and os more closely resemble the trs80 model ii than it does the model iii. The standard configuration was typically 64k ram, although 32k was an option. Vintage software and manuals for the tandy trs80 model ii12 1616b6000. Do you have any trs80 model ii 8 inch floppy disks laying around.
This computer was used for many years by an engineer in his home office. It is an extremely efficient business tool that can speed through routine tasks, store vast amounts of data, provide timely information for decisionmaking, and much moreat costs significantly below the industrys going price for comparable computers. It ran on either trsdos tandy radio shack disk operating system or cpm control programmicroprocessor, which many thought would become an industry. Radio shack began taking orders that month for delivery in october, shipping 1,000 model ii s by the end of year. The model ii is a computer system that was manufactured in the usa by tandy between 1980 and 1984. The next trick was to get the documentctl files off the model ii trsdos 2. Model iii the model iii is the successor to the model i and was released in 1981. Welcome to the model iii44d4p system expander m3se. 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 trs80, but an entirely different system. Tandy was surprised at the strong demand for the trs80 model i from business purchasers. This archive is concerned exclusively with the preservation of artifacts for the trs80 model ii so that future enthusiasts can keep these. The more expensive motorola processor set the trs80 color computer apart from the apple ii, commodore, and atari systems which were based on the mos6502 cpu. The radio shack trs80 color computer also called tandy color computer, or coco was a home computer launched in 1980.
If you have a disk system and want to use disk basic, see below. Ensure the emulator is configured as a 48k trs80 model 1 or system 80 machine with disk drives enabled. This archive is constantly growing and changing so its way easier to stay up to date using git compared to downloading individual images with your browser. It is compatible with model iii software and cpm application software. Deskmate is a gui shell, program environment, and organizational application suite bundled by tandy with their computers. An introductory operations guide to the trs80 model ii microcomputer. Search the trs80 software archive ira goldklangs trs. All of model iis operating software is loaded into randomaccess memory from the system diskette every time you powerup the computer.
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