Readers of the website may not notice, when changes to single chapters within the pages are made. So I start listing these kind of changes here.
The pages won't be changed every day though. Not even every month.
22.01.2024
Added a page about JavaScript.
07.01.2024
Gained more experience with C by implementing a linked list. Due to these experiences split the page about C into two parts, and completely rewrote the second part.
01.10.2023
Gained more experience with Pygame by writing a full game. Due to these experiences wrote a second, more compact page on Pygame.
05.11.2022
Found a home computer price list of the German trading company "Vobis" of July 1983, so I updated the information on prices of the ZX81, ZX Spectrum, VIC-20, C64 and Apple II in Germany in 1983.
28.05.2022
Rewrote the part about the Commodore VIC-20.
19.04.2022
Added a page written in German about using Windows 10.
30.09.2021
Added some memories about the Amiga 500 floppy drive.
Added information about "Term::Readline" and the "cpan"-command on the fifth Perl page.
23.08.2021
Made good progress with SDLx (writing video games in Perl), and wrote about it on the website. For example, rewrote the "SDLx Pong" example of "SDL_Manual.pdf".
06.08.2021
Rewrote the part about arrays and hashes as attributes in classes (on Perl Page #2).
05.08.2021
Started "Perl Page #6", a page about writing 2D video games in SDL_perl / SDLx.
09.07.2021
Uploaded some rather old pages, that were still lying around on my hard disk. These are pages about Python, Pascal, C and gcc (the C-compiler).
08.07.2021
Removed the page "A Converter - Halfway - from Python to Perl" and put its content on my GitHub-page ("pyoop2perloop.pl").
07.07.2021
Translated and uploaded a page about Perl/Tk (from a page about Python/Tkinter, I wrote in 2008). Assembled the Perl pages into a series.
01.07.2021
Rewrote the pages about Perl, and put them into a (hopefully) useful order.
23.05.2021
Made changes to the part about keyboard and joystick event handling in Pygame.
Wrote a chapter about scrolling the background in Pygame.
Created a Github page for my various little software projects.
19.04.2021
Added a note on an "or" expression in Perl OOP here.
Rewrote the part about keyboard input in Pygame.
05.04.2021
Added some thoughts and information about the C64.
And about "Free Software" in the text "From Windows to Linux".
Fixed a bug (I think), in the part about controlling the speed of Pygame applications.
26.03.2021
Added information about the Amiga 600, the Commodore CDTV (1992/1991) and the Atari 400 and 800 (1979).
18.03.2021
Added information on how to write BASIC and C code for the C64 on the PC, and how to get it running in the VICE emulator.
17.03.2021
Added some information about the Atari XEGS gaming console.
13.03.2021:
Wrote a chapter on Sinclair BASIC.
10.03.2021:
Extensions and changes to the chapters about the ZX Spectrum and the Atari 800 XL on the page about home computers.
Information about PC cross compilers (CC65 (Atari) and z88dk (Spectrum)) and about the Atari's graphics system added.