Sinclair ZX80 / ZX81 / Z88 Forums

I might have a bash at UDGs for this like I did for Tut-Tut. Any chance of a list of what letters represent which monsters, amulets treasure etc?

For my new game I need 11 nationalities. Sofar I have 4 N = Netherlands I = Ireland E = England W = Wales When you give me your nationality you will be mentioned in the gamecode and in the manuel. In the game the nationality will be used. So this is your change to claim your name in a game! Nationa...

The ULA you have does generate the back porch signal.

In very simple terms, when the "X" command is used it means the ZXpand ROM is switched out and the ZXpand becomes just a 32k RAM pack with the ZX81 ROM now being in control.

The Zxpand uses the equivalent of the 622 (issue 2 ROM ) ROM according to Charlie, and relies on the Zeddy ROM for the CHR table. When switched out, in my case, Dark star is running on the 649 ROM (Issue 3. ) and works OK. In both cases constantly pressing break just returned both files to the K cur...

While testing the new driver I noticed that DSTAR crashes in 192 rows mode unless I add at least one NOP instruction. I'm not sure whether the crash is caused by a memory alignment problem or timing/sync issues, other programs run smoothly on EO. The Dark star in your sampler runs OK using UDG4ZXpa...

stefano wrote: ↑Thu Apr 04, 2024 11:06 pm Thank you. Could you test both the programs? They seem identical but one of the two includes a break keys detection

Break key didn't work on either of them.

stefano wrote: ↑Thu Apr 04, 2024 11:07 pm I'm also wondering what the 128 char mode is.

It allows you to use the inverse chr set.

Works with UDG4ZXpand using 64 chr mode, see picture, also a picture of it using 128 chr mode.

Will test this tonight and report back.