MicroBee

MicroBee (Micro Bee) was a brand for a range of home computers by Applied Technology, later renamed to the name MicroBee system.

The original MicroBee computer was developed in Australia. It involved, among other things Owen Hill and Matthew Starr. The computer was based on characteristics of the processor cards DG -Z80 and DG- 640 S-100, which had been developed by David Griffith, the TCT - PCG S-100 card, developed by TCT Micro Design, and the MW6545 S-100 card, developed by Dr. John Wilmshurst. The computer was originally built as a two -board unit. The basis was the " mainboard", the keyboard, the Zilog Z80 microprocessor, the Synertek 6545 CRT controller, 2K " screen " RAM, 2K character set ROM ( 128 characters) and 2K contained PCG (Programmable Character Graphics) RAM ( 128 characters). Each byte in RAM Screen addressed one character in the character set ROM or RAM in the PCG. A second board, called " core board ", contained the memory and later models were equipped with a floppy disk controller.