The Micro-Professor
The Micro-Professor is a Z80 based teaching unit built in Taiwan and distributed by several companies. The unit was available in several formats, the base being the MPF-1. this one is a MPF-1B having the 2K optional BASIC ROM fitted. the spec of the MPF-1 was listed by the manufacturers as:
CPU Z80 cpu high performance microprocessor with 158 instructions
Ram 2K bytes expandable to 4K
ROM 2K bytes of sophisticated monitor expandable to 8K bytes
Input/Output 24 system I/O lines
Monitor 2K bytes of sophisticated monitor. Monitor includes system initialisation, keyboard scan, display scan, tape write and tape read
Display 6 digit, 0.5" red LED display.
Audio Cassette Interfaces 165-bit/sec average rate for data transfer between memory and cassette tape.
Extension Connector All buses of CPU, channel signals of CTC and I/O port bus of PIO usable for expansion.
Counter Timer Circuit Socket provided.
Parallel I/O Circuit Socket provided.
Speaker 2.5" diameter Speaker
Keyboard 36 keys including 19 function keys, 16 hex digit keys and 1 user defined key.
The opening line of brochure stated "By 1990 if you don't know computer basics you may well not have a Job. Computing is becoming as essential as reading and writing."