Sinclair ZX80 / ZX81 / Z88 Forums

Supermaze creator based on... https://sinclairzxworld.com/viewtopic.php?f=4&t=1403&p=14855&hilit=random+maze+creator#p14855 There are two versions... A 64x48 maze creator which requires 32K RAM. Hardware demo here... https://youtu.be/RbCgpH0a9c0 and A 128x96 maze creator which requires 64K "WRX" RAM...

Hi All; Because Eller's Maze is created one line at a time and that line is not dependent on the previous line or the next it means that an endless maze can be created, see the enclosed txt file for more info. This program does that, it asks you to enter the number of lines for the maze. It will pri...

A Christmas Present for the group. Based on the program... https://www.sinclairzxworld.com/viewtopic.php?p=19688#p19688 This version uses 128x96 resolution so it requires 32K Hires capable RAM, WRX mode. A hardware demo video is here... https://www.youtube.com/watch?v=ClaukTrGpGI A 256x192 version w...

Standard & Chroma versions

Hardware demo...

https://youtu.be/-SP8BmDe-fA

Enjoy;

Greg

From Compute! July 1983.

BASIC tutorial to draw circles, not mentioned in the article but it's quite easy to modify to draw squares and diamonds as well.

I've included a standard, WRX and Pseudo-Res versions.

Regards;

Greg

XavSnaps emulator does all that "in house".

See his thread here...

viewtopic.php?f=3&t=3295

and also here...

viewtopic.php?f=6&t=3825

Regards;

Greg

Runs with Chroma or Standard 16K. Demo video on real 16K ZX81... https://www.youtube.com/watch?v=d_Sm_sg12R0&feature=youtu.be Here's a more interactive version that allows the user to select the number of dancers and whether to use pixel or characters for the dancers. Again, runs with Chroma or Stan...

This little routine will run a NTSC system at PAL speed. It does this by
bypassing the ROM's Display-3 routine, which then allows us to change the
margin value from 31 to 55.

See enclosed text for more info.

Demo video...

https://youtu.be/ZsgqFKky3a0

Regards;

Greg

Quote from the uploader... "Camouflage was the first(?) record to come with a computer-based promo video on its b-side. Here it is loading on a real ZX81, playing from a Technics SL1210mk2 turntable and showing on a Sony PVM-9220ME. Cartridges used are Shure M44-7. " Youtube video... https://www.you...

It would be nice if there was an option to Save as scr format on the digitize window. Would make it possible to LOAD and SAVE several images without having to leave the window to SAVE the LOADed image.

Just a suggestion, not a big deal.

Regards;

Greg