Included tags: trs-80 × Tandy Color Computer ×
Excluded tags: None

WTB: Speech Systems Super Voice for the TRS-80 Color Computer

VCFed about 4 months ago

It's the last speech synthesizer on my list. I actually have everything I need to make one (including decent pictures of the pcboard of a real one) but my preference would be to have the original. If you have one you'd like to part with, please let me kn …

Floppy Disk Controller Cartridge help ?

VCFed about 4 months ago

I have this device that works.. v1.1 Disk extended basic cartridge for Tandy Coco computers I would like to know if anyone knows if there is a 3d printer STL to make a cartridge box for it. ? thanks Patrick …

Other Computer / System Cores • TRS-80 Model 1 - Microsoft Adventure

MISTerFPGA about 4 months ago

I've been interacting with the individual who cracked the very first commercial copy-protected title, Microsoft Adventure, for some time now. (See https://www.filfre.net/2011... and a great many other writings for details).After all …
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Model 1 Help

VCFed about 4 months ago

Get this when first power up Get this when I hit reset Thanks for the help Trs-80 Model 1 …

Trs-80 model 1 -5v

VCFed about 4 months ago

the -5v mine is reading -5.22 volts? Could this cook the ram? Could this be a defective zener? Am exsperiencing burn finger ram chips? Thanks Joe …
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Exidy Sorcerer Floppy Disk Controller (Dreamdisk) Replica PCB

VCFed about 4 months ago

We have successfully designed, built and tested a replica of the Sorcerer Dreamdisk FDC here in Australia. It based around a WD2793 FDC chip. It booted successfully from a Gotek using an 80 Track DS/DD 720K .DSK Image. The DreamBIOS CPM 2.2 uses ZCPR 1.6 …

TRS-80 Model 1 with pound characters at top of screen

VCFed about 4 months ago

Hello all. I just acquired a TRS-80 Model 1 with Expansion Interface. I noticed it's showing pound symbols in the first three lines. I can hit return and program BASIC without any problems, but the characters at the top stay in place (not scrolling out of …
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TRS-80 Trash Talk Live #37 is Saturday January 20th at 5pm EST

VCFed about 4 months ago

Come join your friends from around the world as we discuss the latest topics in the TRS-80 and Tandy vintage computing community. DM me for an invitation to the Zoom meeting. If you have not yet joined us on Zoom, please do as it's much more fun to inter …

Can Turbo Pascal 3 compile to other than 100h ?

VCFed about 4 months ago

There is available a CP/M version for a TRS-80 Model 1 (and my System 80 clone) but because of its roms, low memory starts at 4200h and the programs load at 4300h. So off the shelf CP/M programs dont work. I have the Turbo Pascal source code for the game …

How does audio on the TRS-80 Model 1 work?

VCFed about 4 months ago

Good evening all, I'm trying to figure out how audio works on the TRS 80 Model 1 from a software perspective. I don't have a model 1, but I'd like to understand the theory behind generating tones via the cassette port so that I may apply the same method …

Misc For Sale TRS-80, Mac, Etc.

VCFed about 4 months ago

I'm trying to tidy up my computer room, and would like for this stuff to go. A few items I've tried to sell here before (can't figure out how to edit or delete prior posts?), and some are new to here. I'll send pics on request, but I'm guessing there's not …

2024 Virtual CoCoFEST!

VCFed about 4 months ago

All, This is regarding the TRS-80 Color Computer, Tandy Color Computer, MC-10, and clones. The Glenside Color Computer Club, Inc. is having two CoCoFEST! this year. 2024 Virtual CoCoFEST! Saturday, Jan 27th and Sunday, Jan 28th. 2024 CoCoFEST! Saturday, …

CE-158X, a more modern replacement for the Sharp CE-158 (and TRS-80 version)

VCFed about 4 months ago

For months a friend and I have been working on a replacement for the Sharp CE-158 RS-232 serial/parallel interface for the PC-1500 (TRS-80 PC-2). I just put the finishing touches on the enclosure, PCB are on hand and parts will be arriving next week. Note …

Guidance and Process of TRS-80/M4 Beginner

VCFed about 5 months ago

Hello everyone, I just somehow got my hands on a TRS-80/Model 4 from savers for 60$. Full on working. Came with an external FreHD setup. I am extremely new to retro computing and this is my first DOS based machine, so I am really going in completely dry. …

TRS-80 troubleshooting

VCFed about 5 months ago

Hey so I just got a trs-80 model one and need some help troubleshooting, just to go over the list of issues, When turned on (both the expansion interface and computer itself) there is no output display, just a blank white screen, tried holding break when i …

TRS-80 Model 4P - screen contents skewed left, overflowing

VCFed about 5 months ago

Happy New Year! First off, I want to thank everyone who participates in this forum. This is my first time posting, but I've already benefitted a lot just from reading past threads. I'm the lucky recipient of a TRS-80 Model 4P that is mostly in good worki …
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Trs-80 Model 1 Mod??

VCFed about 5 months ago

Anyone know what this may have been for? …

TRS-80 Pocket Computer PC-1 (Sharp PC-1211)/PC-3 (PC-1250/1251) Software Library (& request for more software) - Full PDF scans and digital WAVs

VCFed about 5 months ago

Just like the PC-2 thread, I wanted to put up a central thread for the PC-1 (/mostly PC-3) software, all in "stunning HD". I recently acquired quite a collection of Pocket Computer software - actually came along with a bunch of hardware I've bee …

TRS-80 PC-2 (Sharp PC-1500) Pocket Computer Software Library (& request for more software) - Full PDF scans and digital WAVs

VCFed about 5 months ago

I recently acquired quite a collection of Pocket Computer software - actually came along with a bunch of hardware I've been refurbishing, testing, and selling (as I have fun repairing it but no room to collect it). I discovered that, while PC-2 software ha …

CoCo Disto FDC with HDC, RS232, Printer and RTC recreation?

VCFed about 5 months ago

I recently found the schematics for Disto’s Super Controller and the 4 in 1 expansion option. See here: Disto Schematic Diagram Set Seems like a good candidate for a reproduction? …

CoCo µLabs (Micro-labs) CPrint centronics parallel port pak

VCFed about 5 months ago

I just bought one of these on ebay and have not been able to locate a manual. Software was apparently on a ROM, which must be on the reverse side of the PCB from looking at the attached photo. Does anyone have the manual or a link etc? See the review on …

CoCo µLabs (Micro-labs) CPrint centronics parallel port pak manual wanted

VCFed about 5 months ago

I just bought one of these on ebay and have not been able to locate a manual. Software was apparently on a ROM, which must be on the reverse side of the PCB from looking at the attached photo. Does anyone have the manual or a link etc? See the review on …

TRS-80 Level II BASIC cross-assembly source?

VCFed about 5 months ago

My google-fu seems to be failing me; does anyone know of a github repository or other location where someone's put together a commented disassembly of the TRS-80 Level II BASIC source that's easily built with one of the many Z80 cross-compilation packages …

general • Homebrew BBC Micro

Stardot about 5 months ago

Hello all,I recently joined this great forum and have already popped a message in the Introduction section this afty. Hi Quick post for a bit of spot the BBC fun! I no longer own this particular computer, but just have a look at this curiosity!I bought …
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TRS-80 Pocket Computer WAV, BAS, IMG - 26-3530 Horse Race Analyst Software Package

VCFed about 5 months ago

I came upon a boxed copy of this, which I couldn't find posted online - so I took the opportunity to capture and archive it. ... Pocket Computer Horse Race Analyst : Radio Shack : Fre …