Didaktik Gama

It was manufactured from 1987 to 1990 by Didaktik Skalica. The computer was inspired by or was successor to ZX Spectrum. Hardware is based on U880D @ 3,5MHz, 80kB RAM.

Parts of this topic may be machine translated.

ULA circuit is ferrandi ula6c001e; Normally, the UB880D processor overclocked at 3.5MHz, or various Z80 variants.

Version

• Didactic Gamma '87: Untreated Memory Page Switch
• Didactic Gamma '88: Fixed Paging Error version '87
• Didactic Gamma '89: Error fixes '88 and new routine for printing

ROM

CRC32

291cafed didactic Gama 1987

4EC7E078 Didactic Gamma 1988

45C29401 Didactic Gamma 1989

Power connector

DIN5

• 1 stabilized voltage +5V
• 2 gnd
• 3 MGF input
• 4 Unstabilized voltage (about 18V, gamma is +12V)
• 5 MGF output

Didactic gamma 192k

Didactic Gamma 192K is a project of Petra Valeček (CSS), which aims to make the then more easily affordable didactics of Gama 80K '89 into the didactic box gamma compatible with ZX Spectrum 128.

Periphery

• Mercular Plotr alfi
• Digital joystick
• ...

Computers derived from Didaktik Gama

The following computers were inspired by or derived from Didaktik Gama:

• Didaktik M (Didaktik Skalica)

References

• https://cs.wikipedia.org/wiki/Didaktik_Gama (WebArchive)
• https://www.retrobajty.cz/didaktik-gama-80kb/ (WebArchive)
• https://www.root.cz/clanky/didaktik-gama-didaktik-m-a-didaktik-kompakt/ (WebArchive)
• https://cygnus.speccy.cz/popis_prestavba_didaktik-gama-192k.php (WebArchive)
• https://bruxy.regnet.cz/web/8bit/CZ/jeste-jednou-didaktik-gama/ (WebArchive)
• https://z00m.speccy.cz/images/didaktik-gama88.png (WebArchive)
• https://z00m.speccy.cz/images/didaktik-gama89.png (WebArchive)
• https://z00m.speccy.cz/images/didaktik-gama89-clock.png (WebArchive)