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CP/M
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=== CP/M Plus === [[File:CP-M Plus System Guide.jpg|thumb|right|CP/M Plus (CP/M 3) System Guide]] The last 8-bit version of CP/M was version 3, often called CP/M Plus, released in 1983.<ref name="Brown-Strutynski-Wharton_1983"/> Its BDOS was designed by David K. Brown.<ref name="Brown-Strutynski-Wharton_1983"/> It incorporated the bank switching memory management of MP/M in a single-user single-task operating system compatible with CP/M 2.2 applications. CP/M 3 could therefore use more than 64 KB of memory on an 8080 or Z80 processor. The system could be configured to support date stamping of files.<ref name="Brown-Strutynski-Wharton_1983"/> The operating system distribution software also included a relocating assembler and linker.<ref name="Mann83"/> CP/M 3 was available for the last generation of 8-bit computers, notably the Amstrad PCW, the [[Amstrad CPC]], the [[ZX Spectrum +3]], the [[Commodore 128]], [[MSX]] machines and the Radio Shack [[TRS-80 Model 4]].<ref name="Radio_Shack_1985"/>
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