Sinclair ZX80 / ZX81 Forums

Very nice!

The 512k on the ZXblast suits me fine.

If you want pseudo hires, then download “Lightning Driver” at the bottom this page.

http://www.fruitcake.plus.com/Sinclair/ ... ration.htm

This driver supports all the pseudo hires modes there exists.

Or maybe you give it some time. People here are very helpful. But since this is sparetime hobby, help here is secondary to other chores like daytime work.

I assume you want the answer to be in the beginner's class, so here we go: Back in the day, you could either buy an assembler made by someone else, or you could code with paper and pen first. Most people coded with paper and pen to start with. There's no Z80 statement for LD HL,BC so that has to be ...

Thank you very much. Looking forward to know more about this little cousin.

makeit2day wrote: ↑

Wed Jan 30, 2019 1:38 am

I would be interested too and a wiring diagram.

As mentioned previously in this thread, the diagram is here:

http://zx81.ordi5.free.fr/vtr/download/ ... er.sch.pdf

There is also the French manual:

http://zx81.ordi5.free.fr/vtr/download/DOC_floppy1.pdf

Does your ZX81 work without ZXpand? If not, it could be a broken ROM. The build-in ROM is activated with CONFIG “X”.

But isn't these documents from your own webpage XavSnap?

http://zx81.ordi5.free.fr/vtr/download/DOC_floppy1.pdf
http://zx81.ordi5.free.fr/vtr/download/ ... er.sch.pdf

Thank you very much Kai. I know you are genius with the Lambda. I've read your old articles in ZX Team magazine. Thanks for both the schematic of the Lambda it self and also schematics for the Lambda Colour Pack.