Not sure if this website can help: https://ws-nbg.de/zx81/main.php
Seems to offer schemas for an external EPROM to run (e.g. the v3.0 seems very simple circuit!)
Search found 252 matches
- Tue Jan 10, 2023 6:59 pm
- Forum: Development
- Topic: Using an external EPROM
- Replies: 5
- Views: 1466
- Sat Jan 07, 2023 12:14 pm
- Forum: Welcome Area
- Topic: Hello from France !
- Replies: 6
- Views: 1620
Re: Hello from France !
Forget tapes, my doughter didn't even know what a 3.5" floppy disk was when I showed to her!! (a 3d printed "save icon"?) LOL
- Thu Jan 05, 2023 6:37 pm
- Forum: Development
- Topic: How to fully use the 1K ZX81
- Replies: 10
- Views: 3042
Re: How to fully use the 1K ZX81
Thank you Johan, as usual GREAT content!! I've still to apply it, but I see possibility for few more bytes shaved from the 1K real chess :) I hope that with this jumpstart introduction more people will start developing on the beautiful and challenging bare 1K ZX81 hardware to exploit it to its fulle...
- Fri Oct 07, 2022 9:29 pm
- Forum: Emulators
- Topic: ZEsarUX 10.1
- Replies: 3
- Views: 2147
Re: ZEsarUX 10.1
On one of my systems I updated Ubuntu Linux and I think this caused error "zesarux: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory". From what I read on the openssl website (https://www.openssl.org/source/) seems that the 1.1 library is...
- Fri Oct 07, 2022 12:50 am
- Forum: ZX BASIC
- Topic: Draughts in 1k in basic on the zx80
- Replies: 4
- Views: 2921
Re: Draughts in 1k in basic on the zx80
Those pages are from 49 Explosive Games for the ZX81 , which also features 28 programs for the 4K ROM ZX80 at the end of the book. Those ZX80 games were originally published in 50 Rip-Roaring Games for the ZX80 and ZX81 . The programs from the book can be found here: 50 Rip-Roaring Games for the ZX...
- Thu Oct 06, 2022 11:22 pm
- Forum: Development
- Topic: Zeddy Video Jukebox
- Replies: 6
- Views: 1695
Re: Zeddy Video Jukebox
With 30 minutes and some keypress logic mangement is possible to reproduce Dragon's Lair
- Thu Oct 06, 2022 9:49 pm
- Forum: ZX BASIC
- Topic: Draughts in 1k in basic on the zx80
- Replies: 4
- Views: 2921
Draughts in 1k in basic on the zx80
Having a look on a book of which I vaguely remember the title as N wonderful programs for the ZX80 and ZX81, time go I saved 2 pages that were listing the program to play draughts in 1k in basic on the zx80. Attached the pages. Question is: did someone ever played with it? Seems a nice program but I...
- Tue Sep 27, 2022 9:16 pm
- Forum: Development
- Topic: Mechanical Keyboard PCB
- Replies: 9
- Views: 2520
Re: Mechanical Keyboard PCB
Beautiful!!
I like the transparent keycaps with the black labels on it. How did you print and attached them?
I like the transparent keycaps with the black labels on it. How did you print and attached them?
- Mon Aug 15, 2022 11:10 pm
- Forum: ZX Spectrum Lounge
- Topic: Z80: the last secrets
- Replies: 2
- Views: 2649
Re: Z80: the last secrets
WOW!!!
This is really Z80 porn!!...
LOL
This is really Z80 porn!!...
LOL
- Thu May 19, 2022 10:19 pm
- Forum: Emulators
- Topic: ZEsarUX 10.1
- Replies: 3
- Views: 2147
Re: ZEsarUX 10.1
Always amazed about the amount of features and fixes you're able to deliver each single release!
Thank you again for your work!!
Thank you again for your work!!