Sinclair ZX80 / ZX81 / Z88 Forums

D2114A-5 Intel static ram (rare ceramic DIP) for the ZX80
Ready to fit to your ZX80
Note. this is a special ceramic version, fine quality, good looking
See attached image for actual item.
$7 each +pp

4K BASIC EPROM for the ZX80
Programmed and ready to fit to your ZX80
Note. this is a DROP-IN replacement, you do not need to modify anything on your machine.
See attached image for actual item.
$10 each +pp

8K BASIC upgrade EPROM for the ZX80
Programmed and ready to fit to your ZX80
Note. this is a DROP-IN replacement, you do not need to modify anything on your machine.
See attached image for actual item.
$10 each +pp

I noticed while looking at your site that you mentioned being unable to find the long-pin edge connectors. If you still need them perhaps I can help. I have a box full of them. Regards, Mike The idea was to have anyone be able to build this, that has not got access to special components. However ca...

Hi, It has been a long time since I made this computer. Yes, I have given credits to Grant Searle and thanks Grant for all the great information which has been inspiration to many on building these computers! Note that the link has been changed. The page now is located at http://qrp.gr/microwave/gia...

Hello,
I need the schematic of the 3K ram pack, or very detailed photos of the internal PCB so I will be able to reproduce it for this computer http://www.microwave.gr/giannopk/zxcomputer/

have you used the zx_p2wav_v0_04 to convert o to wav?
It worked ok for me on the emulator, it should work ok on the real zx80 too.
The other program presented here had these issues you refer to and did not work ok. I also noticed a difference in the tones frequency

Yes, but this is for the zx81 only, right? We need something for the ZX80..?
BTW, there was a guy here asking for more info on the tapes of the ZX80, In this page you can find some more on the format used: http://www.microwave.gr/giannopk/zxcomp ... nclair.htm

I just tested the zx_p2wav_v0_04
It WORKS great on the emulator.

I have tried the PnO2Wav by installing the required .NET framework. It seems to work but I have no idea if the program can run on the zx80. I will connect the computer with the zx80 through a cable and let you know, but what is the process that I have to follow on the zx80 to let it load from the li...