Sinclair ZX80 / ZX81 Forums

I found a work-around to what I wanted to do which meant not POKEing anything

See my new Fruit Machine thread in this sub-forum.

Regards,

Shaun.

Hi, I have "The ZX81 Pocket book" and found a "Fruit Machine" game in there, called "Fruit", though there were some bugs in the symbolic listing. I remade the game therefore fixing the bugs and doing some BASIC crunching for the 1K machine (the listing was 1K but it used things like numbers rather t...

Excellent, thanks!

Thanks for the link, but there was also a way to do this in BASIC on an unexpanded ZX81 - unless my memory really is failing me.

Regards,

Shaun.

Hello ZX Fanz, Is there a POKE or some simples BASIC way of reducing the number of lines that can be viewed on a ZX81 screen? I remember some SInclair User 1K "Race car" program that did just this, but much of my collection was either lost to time or destroyed in a garage fire. Thanks in advance for...

Thanks for the text listing XavSnap

Out of interest, how do I use "Xur" text files?

Regards,

Shaun

Here's Dropout to type in:
Use 1 to move left and 4 to move right.

Happy typing!

Edit: I've added a slightly improved edition of the game for the unexpanded ZX81 which doesn't "flicker" the catcher when you play.

Crayon21 wrote: ↑

Tue Nov 26, 2019 12:25 am

can it be used for graphics?

In what way? DEF FN can be used for any calculations, so yes. You may also be able to use the USR command with it as well to call let's say certain ROM or MC routines directly.

Regards,

Shaun.

Just a thought, does the Chroma Interface work with the Minstrel 3 clone? If so, is the Chroma still available to purchase?

Thanks,

Shaun.

"Started learning Machine code: Am i doing this correctly?"

What would John McCarthy say...?


In all seriousness I'll read through this thread and pick up some tips!

Good luck!