Sinclair ZX80 / ZX81 / Z88 Forums

André's release now available on http://zx81.ordi5.free.fr/andre/andre.htm#dunric
Have Fun.

Hi Retro-Programers on Zx81! (André*** try -> My 24x34 demo is ready... (Copy this code in a TXT or BAS file, and launch it using the "files"... "directory & Tape Explorer" window in XuR.) Now include a Tool-kit ... CLS, a scrolling... # # 34 x 24 SCREEN RESOLUTION # ¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸¸ # # BY...

Hi André and Zx81 fans, Xavsnap has added a scolling to my version. I like the scolling effect, but I find it a liittle slow. Yes, it's a pretty ASM code to displaye a printed line in basic. ... like a typewriter display... But, this code destroy the D-File structure (32*0+128 code), and the CLS had...

André*** usually use his TS1000 to read this forum ...
You had to buy a new computer ... André.

Note:
I coded a new VB81 release for blind people "VB81-Text" at
http://zx81.vb81.free.fr/download

Perhaps you misunderstood the idea - a page with links to lots of other sites just does not make for interesting (or easy reading). Some background on each game - what it does, memory requirements etc, and who the author is, is much more interesting - the games could be made alphabetical and linked...

... Save zx81's memory ... it'had only 16kb... If you had to code a big basic program, you had preserve all bytes you can. In basic, For example: 10 goto 1 This line Take 4 bytes : used by the line Header, + 1 byte : for the goto command. + 1 byte : for the numeric string : "1" + 5 bytes : use by th...

HI Rwap, So far, I have the following titles but need descriptions etc: 8K Adventure (what is the best version of this) - can we come up with a better name? The Valley of Adventure (15.99K Adventure) Ferengi Ball Blaster Retro Beamer (and Retro Beamer 2) Alien Mind I'm agree with your idea. But, i'm...

A pretty basic code ... (can be used on TS1000 !)

Congratulation regards covers , wavs ...
It's a "classic" of Zx81's games.

Hi all! This basic program seem difficult... But, the programer use some constants to avoid to use numerics values. When you use a numeric value, it take more memory: number string+5bytes. In case of constant string, it take only the variable string space. Constants: O=0 ; H=1 ; H1=2 ; B=3 ; K=4 ; R...

Hi, I typed in the Poster magazine#1 program: The Valley of Adventure. An adventure software example using ASM and Basic. Thanks to Bogul regards scanned pages. 2,5M : P program, tape covers, Poster, listing and ressources. http://zx81.ordi5.free.fr/k7/download/The_Valley_of_Adventure.zip have fun. ...