Radio has published (Radio 4/86) a schematic of a computer called Radio 86RK. There is a few computers build basing on this schematic. One of them is Mikrosha. It has 1MHz KR5801K80 (INTEL 8080), 32 KB RAM and 2 KB ROM, 128 x 50 in a semi-graphics mode and 25 x 64 in a text mode. There is no BASIC interpreter in ROM memory.
Download Radio-86RK Mikrosha - Various (TOSEC-v2004-03-13):
Direct Download Link: Radio-86RKM.rar