EFEX Z80 Single Board Microcomputer

Dr. Mustafa PEKER
Aydin, TURKEY

Idea

First Efex computer designed in 1998 by myself and dedicated to my son Efe, initial version was 4Mhz, 4 kb memory and simple out of standard serial comunication protocols.

This winter I decided to re-design and improve this Project and let other hobbiests can build their own efex computers.

Current version is V2 and added following features:

• Standard 2400 baud software UART
• Moduler monitor software design
• RS-232 port
• Intel hex file download over serial port
• Cassette interface (under construction)
• LCD interface (under construction)
• Minimal chip count version (under construction)

In this project, important point is fully self designed hardware and software.

File downloads:

• EFEX-8K-VERSION-anode-HEX-LOADER.hex
• EFEX-8K-VERSION-anode-HEX-LOADER.obj
• Efex.DSN

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