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Some of the 5.25' floppy drives for the 8-bit Atari [1] had the Z80 CPU and it was possible to run the CP/M on it. The Atari was serving as a terminal for its o
by t0mek 10y ago
Some of the 5.25' floppy drives for the 8-bit Atari [1] had the Z80 CPU and it was possible to run the CP/M on it. The Atari was serving as a terminal for its own disk drive.
[1] http://www.retrobits.net/atari/indus.shtml http://www.retrobits.net/atari/indus.shtml
- david-given 10y agoAcorn's master plan for the BBC Micro series of computers was that they'd really just be the I/O terminals for another, much faster computer attached via a high-speed bus; there was an RPC interface to allow the second processor unit to make system calls on the I/O computer and use its peripherals. The only second processor unit they released in bulk was a 6502 unit (3MHz with 62kB of free RAM and no interrupt overhead, so it was blisteringly fast by 8-bit standards). But there was also a Z80 unit, which would run CP/M. http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_ANC04_Z802ndproc.html http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Aco... The plan was evenutally scrapped in favour of the BBC Master, but they produced limited quantities of a 10MHz 32016 unit (running Panos) and was used to develop the original 8MHz ARM1.
- digi_owl 10y agoI seem to recall that the C64 floppy drive had as powerful internals as the C64 itself.
- macjohnmcc 10y agoYes it had a 6502 in it.