Sinclair ZX80 / ZX81 Forums

And of course the ZX81 still responds to /ROMCS when using the ZX80 ROM while the ZX80 has no /ROMCS.

Yes and no. It does work but will need several reboot because the ZX81 ULA has no default for the startup state of the NMI generator. The ZX81 ROM sets it off with the very first command. The ZX80 ROM lacks this feature (because when it was designed there was no NMI-Generator). User Holmatic of the ...

There is also a vdrive (a usb port for usb sticks from ftdi) which is a little more tricky to handle as it has no new commands. It works via PRINT USR 8888,"LTEST.P" for loading Test.p or PRINT USR 8888,"D" for Directory etc It's described in the forum.tlienhard.com. Except from this there is a ZXPa...

I'd like to buy the ZX80 mini. Where can I order it?
No need to send it. I'll come along and get it.
Kind regards Paul

The minstrel 3 is ZX81 Size so it's not suitable for a ZX80 case.

Welcome Here as well Peter!
Kind regards Paul

Sorry, that's not what I was looking for.
I'm searching an emulator that uses a real vdrive or an emulation of it on a pc.

The same happens with original ZX80.
If I want to use an external keyboard I just pull the keyboard driver IC and everything works perfectly.

That was because my lack of money. In 1980 I saw a ZX80 in the UK and immediately started saving all my money. In Germany they were much more expensive. At the time the ZX81 came to market I had saved about half the money for it. When the spectrum was available I was able to buy it in UK. In Germany...

You are welcome to our forums.
My first ZX81 cost 5 DM in 1986.
My first Sinclair was a spectrum 16k in late 1982. And in 1983 I managed to get a ZX80 for 20 hfl.

I ran a ZX User Club together with a classmate.

Kind regards Paul