Sharp 80 with cpu internal display turned on about sharp 80. Single file copy can, however, be executed with the. When the disk version of the trs 80 model 1 was first released, it came with a dos called trs dos. Color flex disk operating system frank hogg laboratory. Those releases of the emulator numbered floppy drives from 18 and hard drives from 14. Trsdos should not be confused with tandy dos, a version of msdos. Two freeware windows utilities to manage trs 80 disk images. A collection of manuals, pamphlets, information leaflets and other materials regarding the tandy trs 80.
I invoke the emulator with the commandline parameters m1 to force model i emulation and na for nonauthentic display. This is a must be experienced operating system to truly remember how primitive it really was in the early days of personal computing. Trsdos has commands permitting the user to optimize placement of. Heres the older post with a few updates to the c source code. This site is the result of an effort to preserve color computer software and documentation. Exe is an ms dos program that will copy ms dos files into trs80 virtual disk files or onto real trs80 disks. Contribute to calphooltrs80mxs development by creating an account on github. Tandys manuals recommended that it be pronounced trissdoss. Most of the commands were also supported by other trs 80 operating systems, although they usually added extra features beyond the trsdos versions. Trsread and trswrite are command line utilities that can manipulate trs80 virtual disk images. This is a fullfeatured emulator of a trs80 model iii microcomputer. Display directories, copy to and from virtual disks, delete or rename files. My readwrite tools for the catweasel floppy disk controller have moved to their own page.
Faithful z 80 cpu emulation including undocumented opcodes passes all zexall. Anv dos library command can be used except append, chain, copy, format, pdrive, and system. The trs80 color computer started out as a joint venture between tandy corporation of fort worth, texas and motorola semiconductor, inc. The kill command was probably the most unusually named command in the trsdos disk operating systems for trs80 computers. Looking at the trs 80 disk software page, theres a rather extensive selection of dos options that seem to work with the 4p and also claim high compatibility with the tandy trsdos option. Help helpcmd, gives a brief explanation of newdos80 commands. Ultrados doesnt have a backup command but instead uses the copy. Try them in the trs 80 or system 80 emulators and marvel at what could or could not be achieved in 48k of ram. Shift f7 key will load a snapshot of the trs80 system allowing you to continue running a trs80 program after exiting the emulator.
Fuse the free unix spectrum emulator the free unix spectrum emulator fuse. If you want to read physical trs80 disks using the emulator, your computer will need an. It is one of the earliest massproduced and massmarketed retail home computers. Originally named for its creator, david keil, this format is a raw image of the bytes found on a trs 80 diskette. C a more general way to write trs80 floppy disks in a pc with a 5. The application also includes a version that is an educated guess of what the original trs80 development version would have looked like on the dick smith system 80, coupled with a special edition version with all new graphics. This is repo is for the trs 80 modular expansion system mxs. The intent is to make it the final of a series of prototypes trs80hdd and trs80gs and a memory expansion module.
Note that when files are extracted from virtual disk files or trs80 disks, the resulting files are always copied into the current ms dos directory. When the disk version of the trs80 model 1 was first released, it came with a dos called trsdos. Trsdos which stands for the tandy radio shack disk operating system is the operating system for the tandy trs80 line of 8bit zilog z80 microcomputers that were sold through radio shack from 1977 through 1991. The trs80 was a home computer originally released by the tandy corporation in 1977. In order to use those emulators effectively, you need some way to easily create virtual disks. Trs80 cmd files contain chunks which specify a starting location and up to 256 data bytes to be loaded at that location. Readdisk for msdos trs80 emulators for windows and msdos. They perform many of the same functions as trstools, but are good for batch operations because they operate on the windows command line. Originally named for its creator, david keil, this format is a raw image of the bytes found on a trs80 diskette. Dec 04, 2016 there is some c code in this post, but the main point of the post is to provide a way to dump trs80 binary cmd files. A collection of manuals, pamphlets, information leaflets and other materials regarding the tandy trs80. The emulator tries to map the key you press to the appropriate trs 80 combination.
Name and filename, description, what to type at the dos prompt. Initial success in getting a trs80 model 4 setup as a serial terminal to os x running on a mac pro. This version has been modified to put the directory on cylinder 1. The kill command was supported by versions of trsdos for the model i, model iii, and model ii, as well as the basic interpreters for all those machines plus the model 4, color computer, the model 100, model.
Allows ls dos to read or write trs 80 model 100 tapes. Additional trs 80 resources heres a collection of odds and ends that didnt seem to fit elsewhere on my trs 80 pages. The kill command was probably the most unusually named command in the trsdos disk operating systems for trs 80 computers. Shack hard drives with ls dos on a real trs 80 model 44p or the emulator. Tape100 filespec1 to filespec2 parameter parameters. Trs 80 cmd files contain chunks which specify a starting location and up to 256 data bytes to be loaded at that location. To quickly format a virtual hd on the emulator use the command.
Such was the case with the trs 80 model 1 and its clones, such as the system 80 video geniepmc 80. Such was the case with the trs80 model 1 and its clones, such as the system 80video geniepmc80. Can download web pages and files to your coco over the air or a cable using a nearby pc gateway. It has been ported from tim manns excellent xwindows unix emulator xtrs. The original trs80 keyboard is somewhat different from contemporary pc keyboards and does not support as many keys. I, like you and revisiting my coco past and have found the assistance from this list to be very helpful.
These commands can be sysgened, if you wish use the lsdos help command for more information. Read reads a file from tape and writes it to disk write reads a file from disk and writes it to tape cn specifies no checksum testing. Back then, the choice of disk drive hardware was very limited. Faithful z80 cpu emulation including undocumented opcodes passes all zexall.
Now emulates diskbased model iii using phillips v1. All you could get was a 35track, singlesided drive. These doses were similar to cpm and the later msdos. It includes lower case, the real time clock, hires graphics, serial port, parallel printer, mouse, cassette, sound and music output requires oss, 5 and 8 floppy disk drives in single and double density, and even hard disk drives. Readdisk is a utility program for pc compatibles that reads real trs80 disks and converts them into virtual disk files. Additional trs80 resources heres a collection of odds and ends that didnt seem to fit elsewhere on my trs80 pages. This is my first trs80 microcomputer it was called model i when model ii came out it is level 2 with 16k ram, 261003d.
The mxs consists of four modules set up as a stackable set. Apparently theres a command pdrive that changes how dos handles different drives. View and download tandy msdos reference manual online. Most trs80 emulators including my model 4, model, and model 4 emulators use virtual disk files to emulate real trs80 disks. Suitable emulators are available for both linux and dos or windows. View and download tandy ms dos reference manual online. F6 key toggles 1, 2, 4, 8 mhz shift f6 locks the speed at the current setting. Complete and self contained with rom and dos built in. The drive image i was using had the wrong settings for drive 3, and by dumb luck and coincidence had usable. As i read the messages and the responses posted here, i have noted several sites that i visit to obtain information regarding my coco, rsdos and os9 now nitros9. These commands are defined in chapter 2 with examples.
The main versions ported are the zx spectrum 48k version and the commodore 64 disk version. Trsdos is the operating system for the tandy trs80 line of 8bit zilog z80 microcomputers that were sold through radio shack from 1977 through 1991. Trs80 software page disk operating systems classiccmp. This package contains programs which work with trs80 executable files i. Trs80 dos newdos80 ira goldklangs trs80 revived site. This is a fullfeatured emulator of a trs 80 model iii microcomputer. Trsdos should not be confused with tandy dos, a version of msdos licensed from microsoft for tandys x86 line of. This package contains programs which work with trs 80 executable files i. The color computer, with its motorola 6809e processor, was a. Trs80 colour computer 2 computer computing history. All of the resources i provide on this blog will be for the latter. To get your trs80 running, you need to open a command prompt in the root directory of your mess installation and type messpp trs80 for the level 1 basic trs80, or messpp trs80l2 for level 2 basic. This part of the website contains my entire collection of trs80 model 1system 80 software in 80 track, singlesided,singledensity disk images. The trs80 micro computer system trs80, later renamed the model i to distinguish it from successors is a desktop microcomputer launched in 1977 and sold by tandy corporation through their radioshack stores.
Copy files and disks between drives systems using standard dos commands. Those might have line feed characters that are ignored in dos windows, but are represented on a trs 80. The application also includes a version that is an educated guess of what the original trs 80 development version would have looked like on the dick smith system 80, coupled with a special edition version with all new graphics. Two freeware windows utilities to manage trs80 disk images. The trs 80 micro computer system trs 80, later renamed the model i to distinguish it from successors is a desktop microcomputer launched in 1977 and sold by tandy corporation through their radioshack stores. Newdos 80 is a thirdparty operating system for the radio shack trs80 line of. Instantly run any program below in a trs 80 javascript emulator. Instead of using the xwindow system for graphics, it uses the portable sdl library. Try them in the trs80 or system 80 emulators and marvel at what could or could not be achieved in 48k of ram. The emulator tries to map the key you press to the appropriate trs80 combination.
Trs80 tandy color computer drive pak and coconet product page. System 80trs80 model 1 downloadable disk images software. This part of the website contains my entire collection of trs 80 model 1system 80 software in 80 track, singlesided,singledensity disk images. The original trs 80 keyboard is somewhat different from contemporary pc keyboards and does not support as many keys. The third possibility might be, are you transferring original trs 80 ascii files to the trs 80, or are they ascii files originally created on another platform. Tandy radio shack trs80 model 4p dos boot disk nightfall. The old break key is available by typing esc and the clear key is available via backslash. The third possibility might be, are you transferring original trs80 ascii files to the trs80, or are they ascii files originally created on another platform. Color computer 3 ntscpal version with 512k expansion ram card catalog number. Color flex utility command set frank hogg laboratory alt.
The model i trsdos command shell supported a number of internal commands, as documented by the trsdos 2. It is generally easier to use ordinary digits for the model 1, model 2 and model 3. The name is an abbreviation of tandyradioshack, z80 microprocessor. In this rainy day i have decided to commit myself to create a boot floppy disk for my tandy radio shack trs80 model 4p the right steps to create the boot disk download lsdos or trsdos dmk version floppy image from here, now you need to use the dmk2imd program, a tool inside the package imagedisk to convert the dmk floppy image to imd, then burn it with imagedisk. This includes sector headers and such, although special clocks and bit transitions for fm or mfm are not represented. Apple lisa as a retro computer collector, i know as my wife. It is free of charge and all source code is publically available. May 15, 2008 initial success in getting a trs 80 model 4 setup as a serial terminal to os x running on a mac pro. Trs 80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs 80 microcomputer lines.
Color flex utility command set frank hogg laboratory. Instantly run any program below in a trs80 javascript emulator. See how i setup my hyperspin system to play almost 22,000 games on the computer space 2player hyperspin page. Most of the commands were also supported by other trs80 operating systems, although they usually added extra features beyond the trsdos versions. Looking at the trs80 disk software page, theres a rather extensive selection of dos options that seem to work with the 4p and also claim high compatibility with the tandy trsdos option considering that i have a 4p with two floppy drives, and id like to run model iii and model 4 native software not cpm, is there a particular dos which is considered superior. Trsread and trswrite are command line utilities that can manipulate trs 80 virtual disk images. Those might have line feed characters that are ignored in doswindows, but are represented on a trs80.
Trs80 vintage is the new old, retro games news, retro. Ive begun to use trs80 model i emulators to recapture some of the programming experiences of my younger days. They are known as the model i, model ii, model iii, model 4, model 4p, model 4d, model 12, model 16 and model 6000. Allows lsdos to read or write trs80 model 100 tapes. Trs80 revived site by ira goldklangs is an archive of everything related to the tandy radio shack trs80 microcomputer lines. They perform many of the same functions as trstools but operate from the command line. Site contains emulators, programs, manuals, books, patches, games, hints, discussions, questions, forums, and tons more.
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