Sinclair ZX80 / ZX81 Forums

Some info about the QS HRG board can be found here... http://zx81.ordi5.free.fr/qshrg/ The ROM image is available from there. XavSnap's emulator emulates this board very nicely. http://zx81.vb81.free.fr/ Here's some demos and programs for the Quicksilva HRG. Also includes the "Kweeky" application to...

Thanks, that worked.

FYI, anyone using the ZXMore version, you have to change to UDG mode in the tools options before loading it.

Regards;

Greg

The ZXMore version doesn't work because the file "ZXM-data.bin" is missing from the archive.

Regards;

Greg

The sz81 is a nice emulator. If you haven't checked it out recently you might want to here... http://rullf2.xs4all.nl/sz81/ and the manual... http://rullf2.xs4all.nl/sz81/manual.html Besides the standard ZX81 (sz81), it now has support for Chroma, ZXPand (sz81p) and ZX81NU (sz81n), I don't know what...

A simple "Asteroids" game

See enclosed text for info.

Enjoy;

Greg

The author claims over 8000 decimal places in 16K. Presumably more with extended RAM.

Regards;

Greg

From "Syntax" magazine

Here's Frank O'Hara's explanation from "Syntax"

There's a new youtube video of a guy showing the insides of a ZX81..

https://www.youtube.com/watch?v=Vv715KETc0w

It looks to be heavily modified, I was wondering what this mod might be.

Any guesses, looks like it has a substantial heat sink attached.

Regards;

Greg