• Thumbnail for CP/M
    CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for...
    103 KB (10,917 words) - 17:29, 13 July 2025
  • Thumbnail for CP/M-86
    CP/M-86 is a discontinued version of the CP/M operating system that Digital Research (DR) made for the Intel 8086 and Intel 8088. The system commands...
    31 KB (2,566 words) - 17:35, 5 June 2025
  • MP/M (Multi-Programming Monitor Control Program) is a discontinued multi-user version of the CP/M operating system, created by Digital Research developer...
    30 KB (2,375 words) - 16:05, 19 July 2025
  • In CP/M-86, Concurrent CP/M-86, Personal CP/M-86, S5-DOS, DOS Plus, Concurrent DOS, FlexOS, Multiuser DOS, System Manager and REAL/32 as well as by SCP1700...
    4 KB (453 words) - 20:31, 15 October 2024
  • of the CP/M disk operating system. Eight-bit computers running CP/M 80 were built around an Intel 8080/8085, Zilog Z80, or compatible CPU. CP/M 86 ran...
    16 KB (1,952 words) - 06:45, 30 March 2025
  • Thumbnail for 86-DOS
    86-DOS (redirect from X86 CP/M clone)
    OS/8 and CP/M, which made it easy to port programs from the latter. Its application programming interface was very similar to that of CP/M. The system...
    57 KB (3,963 words) - 07:23, 18 June 2025
  • text) This isn't a problem for CP/M-86 style executables under CP/M-86, CP/M-86 Plus, Personal CP/M-86, S5-DOS, Concurrent CP/M-86, Concurrent DOS, Concurrent...
    93 KB (9,322 words) - 02:56, 25 May 2025
  • Thumbnail for Box-drawing characters
    characters defined by default as block and line drawing characters. The CP/M Plus character set used on various Amstrad computers of the CPC, PCW and...
    21 KB (1,322 words) - 03:00, 26 June 2025
  • Thumbnail for Commodore 128
    Commodore 128 (section CP/M)
    Z80 CPU which allows the C128 to run CP/M, as an alternative to the usual Commodore BASIC environment. The huge CP/M software library, coupled with the...
    52 KB (7,039 words) - 06:43, 13 July 2025
  • Thumbnail for GEM (desktop environment)
    (charting, etc.) for any of the 8-bit and 16-bit platforms CP/M-80, Concurrent CP/M, CP/M-86 and MS-DOS (NEC APC-III) would run on, a task that otherwise...
    55 KB (5,093 words) - 10:30, 1 July 2025
  • Thumbnail for History of personal computers
    Kildall developed CP/M in 1974 as an O/S for the Intel Intellec and established his company, Digital Research, in the same year. CP/M originally stood...
    157 KB (20,600 words) - 12:57, 17 July 2025
  • Thumbnail for Digital Research
    Gary Kildall to market and develop his CP/M operating system and related 8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, FlexOS, Multiuser DOS...
    27 KB (2,159 words) - 08:29, 19 July 2025
  • Thumbnail for Eagle Computer
    off from Audio-Visual Laboratories (AVL), it first sold a line of popular CP/M computers which were highly praised in the computer magazines of the day...
    33 KB (4,700 words) - 08:05, 30 May 2025
  • conventions (CP/M-80 BDOS calls were mapped into BDOS calls for CP/M-86), so that CP/M-80 and MP/M-80 programs could be ported to the CP/M-86 and MP/M-86 platforms...
    98 KB (9,272 words) - 13:52, 6 June 2025
  • Thumbnail for Zilog Z80
    the CP/M operating system, a combination that dominated the market at the time. Four well-known examples of Z80 business computers running CP/M are the...
    118 KB (12,641 words) - 17:10, 15 June 2025
  • Thumbnail for COM file
    COM file (redirect from CP/M COM executable)
    executable format used in CP/M (including SCP and MSX-DOS) as well as DOS. It is very simple; it has no header (with the exception of CP/M 3 files), and contains...
    15 KB (1,899 words) - 10:44, 10 July 2025
  • Thumbnail for MS-DOS
    Digital Research's CP/M (for 8080/Z80 processors), ported to run on 8086 processors and with two notable differences compared to CP/M: an improved disk...
    93 KB (9,753 words) - 21:13, 19 July 2025
  • System CP/M CP/M CP/M for Intel 8080/8085 and Zilog Z80 Personal CP/M, a refinement of CP/M CP/M Plus with BDOS 3.0 CP/M-68K CP/M for Motorola 68000 CP/M-8000...
    73 KB (8,384 words) - 16:49, 4 June 2025
  • Thumbnail for Spreadsheet
    part of the CP/M software package included with the Osborne 1 portable computer. It quickly became the de facto standard spreadsheet for CP/M. The introduction...
    80 KB (9,711 words) - 09:21, 24 June 2025
  • Thumbnail for DOS
    Digital Research's CP/M—the dominant disk operating system for 8-bit Intel 8080 and Zilog Z80 microcomputers—in order to simplify porting CP/M applications...
    56 KB (6,507 words) - 14:45, 10 June 2025
  • Thumbnail for Amstrad PCW
    except the last shipped with the Locoscript word processing program, the CP/M Plus operating system, Mallard BASIC and the Logo programming language at...
    53 KB (5,561 words) - 14:04, 21 July 2025
  • market. WordStar was written for the early CP/M (Control Program–Micro) operating system, ported to CP/M-86, then to MS-DOS, and was the most popular...
    21 KB (2,627 words) - 21:41, 11 July 2025
  • Thumbnail for Commodore 64
    poor compared to other CP/M implementations. C64 CP/M and C128 CP/M both suffer a lack of software; although most commercial CP/M software can run on these...
    117 KB (13,248 words) - 10:39, 21 July 2025
  • Thumbnail for Multiuser DOS
    Digital Research 8-bit operating systems CP/M and MP/M, and the 16-bit single-tasking CP/M-86 which evolved from CP/M. When Novell abandoned Multiuser DOS...
    63 KB (6,013 words) - 17:25, 13 July 2025
  • timeline of events in the history of the 8-bit 8080-based and 16-bit x86-based CP/M operating systems from 1974 to 2014, as well as the hardware and software...
    235 KB (7,270 words) - 09:03, 27 May 2025
  • board system (BBS) software packages. Citadel – originally written for the CP/M operating system, had many forks for different systems under different names...
    5 KB (467 words) - 14:13, 26 June 2025
  • Thumbnail for DR-DOS
    and derived from Concurrent PC DOS 6.0, which was an advanced successor of CP/M-86. Upon its introduction in 1988, it was the first DOS that attempted to...
    122 KB (12,096 words) - 17:23, 13 July 2025
  • Thumbnail for Amstrad CPC
    Amstrad CPC (section CP/M)
    the 464. 64k machines shipped with CP/M 2.2 alone, while the 128k machines also include CP/M 3.1. The compact CP/M 2.2 implementation is largely stored...
    44 KB (5,344 words) - 21:20, 29 April 2025
  • application developed by Autodesk. It was first released in December 1982 for the CP/M and IBM PC platforms as a desktop app running on microcomputers with internal...
    29 KB (2,490 words) - 21:00, 24 June 2025
  • Thumbnail for Osborne 1
    Computer Corporation. It weighs 24.5 lb (11.1 kg), cost US$1,795, and runs the CP/M 2.2 operating system. It is powered from a wall socket, as it has no on-board...
    29 KB (3,110 words) - 22:57, 6 July 2025