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CP/M

since unknown year (earliest usage recorded on this site was 1981)

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Users

Technology Timeline Graph
 
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
BitWise
codewritinfool
hexdump42
Erik
jancona
jtauber
simonf
cherimullins
abtin
Uche
ndw
MarkofCain
ashugg
larry
BitWise - 13 years
codewritinfool - 11 years
hexdump42 - 4 years
Erik - 3 years
jancona - 5 years
jtauber - 5 years
simonf - 5 years
cherimullins - 2 years
abtin - 1 years
Uche - 3 years
ndw - 3 years
MarkofCain - 31 years
ashugg - 8 years
larry - 26 years
1981–1993
Originally on a real S100 system and then on my BBC with a Z80 second processor. I'm trying to get it running on a micro-controller emulations of a 8080 and Z80 with micro SDs cards for disks.
1982–1985
Running on a NEC PC8001
1982–1992
1983–1985
On a z80 Coleco Adam
1984–1988
1984–1988
On a Xerox 820 board with 2 8" floppies
1984–1988
1984–1985
1984
1986–1988
The DEC Rainbow had two processors, an 8088 for MS-DOS and a Z-80 for CPM
1986–1988
On the Amstrad PCW
1987–1994
Digital Research "CCP/M" (Concurrent CP/M) on some old 8085-based thing. One of them had a 10Mb hard drive!
1987–
1992–
Still running on my KayPro II!

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