1987 - 64'er Special Issue 17 (Games)

Xiangqi

Xiangqi is the traditional Chinese chess. The program has been written purely in assembler. I was inspired by an article in the same German computer magazine. It was about AI and the implementation of board game using assembler programming language. Just for the implementation of the board matrix in assembler, it wasn't trivial and the C64 with 1MHz speed can't afford complicate algorithms.
1987 - 64'er September Issue

Basic-Line Maker

It is a small tricky program which appends machine codes to the end of a BASIC program. This allows user to load and run an assembler program just like any BASIC program.
1987 - Commodore Welt December Issue

Print-Sprite

It is an Assembler routine which allows user to define sprites simply by using PRINT commands in a BASIC program.
1988 - 64'er Special Issue 30 (Games)

Xiangqi+

This is an upgrade of Xiangqi. The challenge was to ensure the existing Xiangqi users not to re-type the full version. Xiangqi+ consists of the codes for new features and a routine which upgrades the existing codes. It also made use of Basic-Line Maker, so that the new version can be run as a BASIC program.
1989 - POCKET + LAPTOP COMPUTER October Issue

Partialbruchzerlegung

Just another mathematic program for the pocket computer CASIO FX-850P.
2004 - FOTO-VIDEO Digital March Issue

folksKJ 1.00s

folksKJ is a karaoke player which plays standard MIDI file and displays its lyric information. At the same time, you can run a slideshow of your favourite digital photos in the background, including displaying the (Exif) date. The program is written in C++ and the skin graphic uses SDL (Kyra). The codes for the impplementation of skins are publihed in a seperate open source project sdl-skin.

Due to its features for digital photos, folksKJ has been chosen to be included on the monthly CD of the photo magazine.

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