Instantly run any program below in a trs80 javascript emulator. Ensure the emulator is configured as a 48k trs80 model 1 or system 80 machine with disk drives enabled. The first two fully graphical versions were renamed personal deskmate i and ii. I replaced one of the disk drives that was behaving badly and gave the heads on both a good cleaning while the computer was apart. Now emulates diskbased model iii using phillips v1. Welcome to the model iii44d4p system expander m3se project. Near the end of the trs80 product run came the tandy trs80 model 4 from tandy radio shack. Ira has offered these types of disk services for many years for the trs80 model iiii4 machines. After the boot is finished, type dir at the cursor. The following documents were found from various locations on the web. Index of cpmarchivestrs80softwaremodel 4m classiccmp. Trs80 model ii archive project pski software development. The unregistered shareware version of the program emulates a 64k.
Welcome to the humongous trs80 archives, a humongous collection of trs80related sites, books, magazines and software. But it wouldnt boot from disk, either from the supplied trs80 boot disks, nor my video genie boot disks. Tandy releases the trs80 model 2000, which uses the intel 80186 microprocessor. 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. Tandy trs80 model 4 retro computer introduction and teardown duration. Model 4 computers have both an internal speaker i think all model 4s do and a cassette port.
Older pc hardware with a compatible floppy disk controller is required to use the file transfer utilities. The model iii had been only partially compatible with model i software and lack of compatibility was viewed as a costly misstep by radio shack. The big list of trs80 software instantly run any program below in a trs80 javascript emulator. Clear the search box to show the entire planet emu list. Inside of the trs80 model 4 with some good luck i got the top off, turned it sideways and set it back down. It came with some model 4 software which have all been transferred and is now to be found on here it is displaying the opening position of the chess game from the micro labs hires games floppy.
This program emulates a popular early microcomputer, the trs80 model 4. Trs80 model 1iii4 4p game software page last updated on april 8, 2005. Trs80 64k model 4 ian mavrics high resolution card i bought another for my 4p. It connects to the buffered expansion port, and provides these benefits. File formats viewers download contributors misosys is roy soltoffs old trs80 software company. With its single case formfactor, it looks just like a vintage computer should. Little wonder this radio shack model is one of the most popular portables of all time. This list includes software that was sold labelled as a radio shack or tandy product. The distribution zip also contains an rsm level i loader and a relocation program. 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. He has expressed his support for our efforts to do likewise for the model ii.
It would boot to the basic rom by holding down the break key as you reset it. Radio shack tandy trs80 portable computer model 4p untested past powering on. This page is the main search page for trs80 model i, iii, and 4 software. Software for the trs80 model iv from the trs80 archives. 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.
And please let us know if theres anything were missing. So on the model 4 it will show a speaker cassette line showing where audio output goes. Includes emulation of model 3 mode, floppy drives, hard drive, sound, high resolution graphics, up to 128k of memory, realtimeclock, rs232 communications, and more. Stocking up a trs80 model 4 with software classic computers nz. Roy has been out of the business for some years, and he has given me permission to put his trs80 software and documentation up for free dissemination on the web. To many enthusiasts the trs80 model 4 was the ultimate development in tandys platform of z80based home and smallbusiness microcomputer. Trs80 model 4p computers only have an internal speaker. There are several variations of these docs floating around the net, and it can be confusing knowing exactly what doc you need vs.
Search the trs80 software archive ira goldklangs trs. It was simply a case of finding the time to load it with programs. The name is an abbreviation of tandyradio shack, z80 microprocessor. It was one of the earliest massproduced personal computers. The model 3, by comparison, only ran at 2 mhz and displayed 64 columns and 16 lines. As i posted earlier, the assembled board was a bit too tall to fit under the aluminum shield that is present on us model 4 computers, and it also. Trs80 model 4 64k 2 drive computer with high resolution. Search the trs80 software archive ira goldklangs trs80. The trs80 model 100 was designed by kyocera of japan, who licenced the same design to nec, tandy, and olivetti, who subsequently released almost identical computer systems.
Definitive list of trs80 model ii operating systems. This service is inspired by and adheres to the concepts laid out by ira at. For power, versatility and convenience, youll find model 4 is a true price breakthrough. The following document describes an ide drive interface for the trs80 model 4 and larry campanells modifications for the lnw80. Another company called intellitech sold a program called supermod4 that allows model iii programs running on a. Back in march 2017, i bought a trs80 model 3 on ebay. Deskmate is a gui shell, program environment, and organizational application suite bundled by tandy with their computers. It is an extremely fast emulation, written and optimized from the ground up in 80386 assembly language. Software diskettes cd with many, many filesi used the memtest program to check the ram. It also includes max80, genie iii, lnw80, system80, and model 4 cpm, although. Version 2 of trs80 model 4 rom adapter marks tech journal. Tandy 3 microcomputer rare, not model iii, this is a tandy 3 added 1 april, 2012 trs80 model 1 with both level 1 and ii installed in the keyboard unit added 8 april 2012 how to change a trs80 model iii or 4 crt. Radio shack trs80 model 4 microcomputer computer system 261069 as is vintage see more like this.
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. Listening to model i and iii users requests tandy added 80x24 screen, cpm compatibility, 64k ram upgradeable to 128k banked ram, more speed, function keys, an easierontheeyes green crt, a stylish. The trs80 model 100 instanton, with a comfortable keyboard and 20 hours of battery life. Looking at the inside i could see that the top of the computer is connected to the bottom with two connectors, one for the main power to the crt and the other for the card to control what gets displayed on the display. This machine, like the first model i and the model iii was given to me by graeme draper. Trs80 model i and 3 computers can only output audio through the cassette port. Radio shack unveils the trs80 model 12 at the cpm 83 show. I previously designed a small adapter board to allow a regular 2764 eprom to be plugged into a trs80 model 4 gate array version only in place of rom chip u4, in order to use the new autobooting feature of the frehd hard disk emulator. Model 4 library catalog 1 for model iv dsk david sampson 19xx baslbr10. Introduced in 1983, it was an upgrade from the model 3 in that it ran at a blazing 4 mhz using a zilog z80 processor and had a display of 80 columns by 24 lines. The trs80 was a home computer originally released by the tandy corporation in 1977. Model 4 can run all model iii trsdos and ldos programs in model iii mode. Please choose your search criteria from the boxes below.