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Interior of the 6502 Second Processor. The 6502 Second Processor (using a 6502C) was clocked at 3 MHz, a full 50% faster than the 6502 inside a BBC Model B, and also had 64 KB of RAM, of which typically 30–44 KB was free for application data (compared to as little as 8.5 KB on an unexpanded Model B in graphics mode, or only 5.75 KB with the disc interface).
The BBC Microcomputer System, or BBC Micro, is a family of microcomputers developed and manufactured by Acorn Computers in the early 1980s as part of the BBC's Computer Literacy Project. Launched in December 1981, it was showcased across several educational BBC television programmes, such as The Computer Programme (1982), Making the Most of the ...
Numerous coprocessors were developed for the Tube. Most commonly seen was the 6502 Second Processor, featuring a MOS Technology 6502 processor, which allowed unmodified BBC Micro programs to run faster and with more memory, as long as they use the API for all I/O. [1] [2] The Z80 Second Processor featured a Zilog Z80 processor running CP/M, and the 32016 Second Processor featured a National ...
BBC Micro; The original NEC PC-8801 up to the MkII; The original NEC PC-9801 with original 8086 CPU before the VM/VX models; All Sharp X1 models before the X1 Turbo Z; The Sharp MZ 700; Fujitsu FM-7, FM New 7, FM 77 before the FM77AV; Sinclair QL; The Macintosh SE with a color printer or external monitor; The SECAM version of the Atari 2600
Apple A12 and Huawei Kirin 980 mobile processors, both released in 2018, use 7 nm chips manufactured by TSMC. [127] AMD began using TSMC 7 nm starting with the Vega 20 GPU in November 2018, [128] with Zen 2-based CPUs and APUs from July 2019, [129] and for both PlayStation 5 [130] and Xbox Series X/S [131] consoles' APUs, released both in ...
In contrast, the BBC Micro employs one or two sets of eight 16-kilobit devices, with the RAM running at twice the speed (4 MHz) of the CPU (2 MHz), allowing the video system (screen refresh) and CPU memory accesses to be interleaved, with each accessor able to transfer bytes at 2 MHz. The RAM access limitations imposed by the Electron's ULA ...
List of Intel Core processors. List of Intel Core 2 processors; List of Intel Core i3 processors; List of Intel Core i5 processors; List of Intel Core i7 processors
Torch Computers Ltd was a computer hardware company with origins in a 1982 joint venture between Acorn Computers and Climar Group [1] that led to the development of the Communicator or C-series computer, a system based on the BBC Micro with a Z80 second processor and integral modem, intended as a viewdata terminal.