Sinclair ZX80 / ZX81 / Z88 Forums

Not that I have ever heard of HRG8 before. That's them although I bought the machine with this installed, along with the vla81 chip upgrade. Anyone know if this is why the Spave Invaders won't run on my machine? Been an interestin thread this, and thanks to everyone for their input. So are you using...

Maybe your ZX81 has mapped 32k at address 16k-48k.

I couldn't get my to work, until I realised I had used a wrong resistor value.

Looks good.. can it work with UDG or this kind of software like the HR Galaxians? or it needs software specifically designated for its eprom patterns? And is the eprom firmware avaliable? There is no firmware needed for this, as the EEPROM just contain the fonts you desire. 7 fonts with 128 chars, ...

No the ZXpand+ has some Hi-Res capabilities, but requires some form of UDG interface such as the UDG4ZXpand or D K tronics board for UDG,sadly both are rare and coveted items. However building this circuit should give you UDG: http://web.archive.org/web/20210223135716/http://www.user.dccnet.com/wri...

I havn't read the article yet, but output from program 5 in SZ81 is here, and it looks great.

I've tried to find an emulator, that would print text from the Word Processor Word Sinc II, and EightyOne failed. However I have just found, that printing in SZ81 works fine. So maybe try the program with SZ81.

BarryN wrote: ↑Sun Sep 26, 2021 12:50 pm I what I would really like to see is the output from running /Users/myuser/Applications/SZ81/SZ81.app/Contents/MacOS/SZ81 in a terminal window and then exiting. It should look something like this:

I have sent it to you as private message.

Recording from Console app: standard 12:23:45.406965+0200 SZ81 CHECKIN: pid=56414 standard 12:23:45.413821+0200 SZ81 CHECKEDIN: pid=56414 asn=0x0-0xd26d26 foreground=0 standard 12:23:45.423887+0200 SZ81 Received configuration update from daemon (initial) standard 12:23:45.453253+0200 SZ81 FRONTLOGGI...