The Newbear 77-68 was a kit of parts from which a purchaser could construct a first generation home computer based around a Motorola 6800 microprocessor. The 77-68 was offered for sale by Bear Microcomputer Systems of Maidenhead, Berkshire, England from June, 1977. It was among the first, if not the first, of British home computers.
The basic 77-68 comprised an 8-inch square printed circuit board accommodating the microprocessor, Static RAM of 25...
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The Newbear 77-68 was a kit of parts from which a purchaser could construct a first generation home computer based around a Motorola 6800 microprocessor. The 77-68 was offered for sale by Bear Microcomputer Systems of Maidenhead, Berkshire, England from June, 1977. It was among the first, if not the first, of British home computers.
The basic 77-68 comprised an 8-inch square printed circuit board accommodating the microprocessor, Static RAM of 256 8 bit words and the bare essentials in terms of input/output and timing logic to make a working computer. The processor ran with an instruction cycle time of around 1.25 microseconds with most instructions executing in 3 to 7 microseconds.
In the short time for which the 77-68 represented an economic and reasonably current technology for home computing, an active user group distributed designs for additional components such as memory cards, video display cards and teletype interfaces which enthusiasts could, and did, construct themselves. It...
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