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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 ...
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. This is a list of ... List of Intel Core 2 processors;
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 ...
The following is a partial list of Intel CPU microarchitectures. The list is incomplete, additional details can be found in Intel's tick–tock model, process–architecture–optimization model and Template:Intel processor roadmap.
Due to a quirk of the 6502's design, the CPU left the memory untouched for half of the time. Thus by running the CPU at 1 MHz, the video system could read data during those down times, taking up the total 2 MHz bandwidth of the RAM. In the BBC Micro, the use of 4 MHz RAM allowed the same technique to be used, but running at twice the speed.
Multithreading, multi-core, 8 fine-grained threads per core of which 2 can be executed simultaneously, 2-way simultaneous multithreading, 6 cores per chip, out-of-order, 48 MB L3 cache, out-of order execution, RAS features, stream-processing unit, hardware-assisted cryptographic acceleration, 6 cryptography units per chip, Hardware random ...
Helix Systems (in Missouri, United States) designed an extension to the SWTPC SS-50 bus, the SS-64, and produced systems built around the 68008 processor. 68000 [41] and 68008 [42] second processors were released for the BBC Micro in 1984 and 1985 respectively, and according to Steve Furber contributed to Acorn developing the ARM. [43]