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cpmemu – a CP/M emulator for Raspberry Pi #PiDay #RaspberryPi #VintageComputing #RetroComputing @Raspberry_Pi
CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. Initially confined to single-tasking on 8-bit processors and no more than 64 kilobytes of memory, later versions of CP/M added multi-user variations and were migrated to 16-bit processors.Arguably, we came close to having CP/M instead of MS-DOS dominate computing on PCs. But Microsoft got the contract for PC-DOS from IBM and the rest is history.Some very cutting edge software was on CP/M including Wordstar, dBaseII and Supercalc.You can run your own version of CP/M using an affordable Raspberry Pi. There seems to be variants out there, but cpumem appears to be a great choice.CPMemu is a CP/M 2.2 emulator running on the Raspberry Pi and on other Linux systems. On the Raspberry Pi CPMemu can be used as a bare metal solution based on the Circle environment....