RC2014-Z80

I made this circuit. https://maker.pro/pcb/projects/make-uart-cassette-tape-interface And it works

Yesterday I ran my "lines and curves" Algol-60 programme on the Elliott 803 at TNMOC and

Modern network solutions are problematic for 8-bit computers. Only the RTL8019, which is becoming

I think you used a long chain of diodes so not to turn on transistor BC107 when the RAM is in the

and btw zeal8bit uses bitbanged serial port; P. On Wednesday, October 8, 2025 at 11:35:30 AM UTC+2

I'm exploring a way to connect an Adafruit FT232H USB interface board to a Z8S180 system using

Robb, I have a several tape readers to choose from when thinking about connecting one to my 3C. I

On Mon, 2025-10-06 at 14:04 +0100, Spencer Owen wrote: > I love how much you're able to get

Thank you Mark! To update this thread, I elected to build another copy of the CF card module. It

hi guys, all packages from Sergey, Stephen and Dean are here and its all of course pure beauty :-)

After nearly two full years, the z88dk team have finally done a new release. The new Version 2.4

My Orton 3CX (3C eXpander) now has two eight bit LEDs+Switches ports :-) An I have put an V0.2 of my

There is something to be said for watching someone actually carry out an operation rather than just

I just published here : https://github.com/Laci1953/Cowgol_on_CP_M/tree/main/GAMES/Backgammon , the

Hi, The discussion was compiling the program into a Z80 program to run on a Z80 computer. . On

I'm in Albuquerque, New Mexico. Like I've said, I'm happy to debug your board for you

OK - thanks - will do. Just wondered if you'd made a conscious decision on the 70nS part. On

I really appreciate the feedback on this! On Friday, September 19, 2025 at 1:01:14 PM UTC+2 Alan Cox

It was great to see everybody on Saturday. Thanks Spencer (and all the exhibitors and volunteers) for

hi guys, nice machine :-) and congrats to the Assembly! have you some more photos form the event?

I see it now, its just the Vcc label from below. I thought it was a bit odd, but that you might have

Hi Petr, Here is a 5V part on DigiKey: https://www.digikey.com/en/products/detail/infineon-

SOLVED - It was a dodgy SD card. It appears OK in Windows and can format, copy files to it etc but

I've decided to go for the “official” 1.7734MHz clock. I bought some 17.734MHz crystals and built

It's not too late to book a ticket for Saturdays event at TNMOC. There are still spaces for those

thanks Bill, really overlooked even in retro-comp, or if I skipped it mostly because of 5V by design.

John Another Just to give so more info about original question > I could have sworn there was an S

Hi John I suggest you investigate the ASSIGN /B=.... command for assigning drive letters. For simple

Good work on tracking that down. From your earlier symptoms I suspected it might be a data line or

This board has now been upgraded to use a QWIIC connector for I2C which allows it to easily interface