Didaktik Kompakt
It was manufactured from 1991 to 1993 by Didaktik Skalica.
The computer was inspired by or was successor to Didaktik M. Hardware is based on Z8400 @ 4MHz.
Parts of this topic may be machine translated.
version 1.5, 2.3
It uses the ULA ULA1 KA1515XM1-216 circuit, so the display was square instead of rectangular and there was some timing incompatibility.
References