CP/M - Revision history

Jnc: Avoid redir

2025-04-20T10:46:23Z

Avoid redir

Jnc: /* External links */ +Gary Kildall and the 40th Anniversary of the Birth of the PC Operating System

2023-04-06T16:26:03Z

‎External links: +Gary Kildall and the 40th Anniversary of the Birth of the PC Operating System

Jnc: +cat

2018-12-16T04:18:57Z

+cat

Tor: Minior rewording, and a bit extra about CP/M vs. DOS

2015-07-21T11:55:36Z

Minior rewording, and a bit extra about CP/M vs. DOS

Tor: Add CP/M-8000 and adjust wording a bit

2015-03-18T09:55:08Z

Add CP/M-8000 and adjust wording a bit

Tor: Added a tiny bit about the 8080/Z80/8085 versions - they're the same.

2013-03-13T14:30:17Z

Added a tiny bit about the 8080/Z80/8085 versions - they're the same.

Tor: Fixed a typo, added some more info

2012-11-23T10:06:40Z

Fixed a typo, added some more info

Neozeed at 13:44, 24 December 2010

2010-12-24T13:44:37Z

Neozeed at 20:55, 8 April 2010

2010-04-08T20:55:14Z

Neozeed: oops supercalc, not visicalc!

2009-02-11T22:38:00Z

oops supercalc, not visicalc!

@@ Line 5: / Line 5: @@
 | current version = 3.1
 }}
 CP/M was an early [[operating system]] for [[microcomputer]]s.  It was ported to several CPUs, the first and most common version for CP/M-80 which worked on the [[i8080|8080]], the [[i8085|8085]], and the [[Z80]].
 Digital Research did not see much point in building variants of CP/M-80 with instructions outside of the 8080 set, i.e. no 8085- or Z80-specific versions. The versions for 8086 and 68000 were of course true ports, known as CP/M-86 and CP/M-68k respectively. There was also CP/M-8000 for the Zilog [[Z8000]].
-CP/M was the inspiration to [[MS-DOS]]. It assigns letters for each drive, however it doesn't use directories (and the first version of (PC-)DOS didn't either).  CP/M was a portable operating system that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing. CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
+CP/M was the inspiration to [[MS-DOS]]. It assigns letters for each drive, however it doesn't use directories (and the first version of (PC-)DOS didn't either).  CP/M was a portable operating system that was popularized because it was cheap, and was not resource intensive, unlike [[UNIX|Unix]] which had very restrictive licensing. CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
 The key to CP/M's portability and success was its division into core applications, CCP (command processor), BDOS and BIOS parts - the BIOS provides functions to the BDOS, and BDOS provides functions to applications. To port CP/M to a new computer platform it's only necessary to write a hardware-specific BIOS with a small set of routines, and a boot loader. A reference BIOS listing which is useful as a starting point can be found in the Digital Research documentation. This relatively simple concept meant that CP/M was quickly ported to a wide range of hardware.

@@ Line 1: / Line 1: @@
 {{Infobox OS
 | name = CP/M
@@ Line 10: / Line 6: @@
 }}
-CP/M was the inspiration to [[MS-DOS]].  It assigns letters for each drive, however it doesn't use directories (and the first version of (PC-)DOS didn't either).  CP/M was a portable operating system that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing.  CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
+Digital Research did not see much point in building variants of CP/M-80 with instructions outside of the 8080 set, i.e. no 8085- or Z80-specific versions. The versions for 8086 and 68000 were of course true ports, known as CP/M-86 and CP/M-68k respectively. There was also CP/M-8000 for the Zilog [[Z8000]].
 The key to CP/M's portability and success was its division into core applications, CCP (command processor), BDOS and BIOS parts - the BIOS provides functions to the BDOS, and BDOS provides functions to applications. To port CP/M to a new computer platform it's only necessary to write a hardware-specific BIOS with a small set of routines, and a boot loader. A reference BIOS listing which is useful as a starting point can be found in the Digital Research documentation. This relatively simple concept meant that CP/M was quickly ported to a wide range of hardware.
@@ Line 69: / Line 68: @@
 XREF - cross reference lister
 [[Category: Operating Systems]]

← Older revision		Revision as of 04:18, 16 December 2018
Line 69:		Line 69:

	XREF - cross reference lister		XREF - cross reference lister
		+
		+	[[Category: Operating Systems]]

@@ Line 1: / Line 1: @@
 CP/M was an early OS for microcomputers.  It was ported to several CPUs, the first and most common version for CP/M-80 which worked on the [[i8080|8080]], the [[i8085|8085]], and the [[Z80]].
-Digital Research did not see much point in building a version with instructions outside of the 8080 set (so no 8085- or Z80-specific version).  The versions for 8086 and 68000 were of course true ports, known as CP/M-86 and CP/M-68k respectively. There was also CP/M-8000 for the Zilog [[Z8000]].
+Digital Research did not see much point in building variants of CP/M-80 with instructions outside of the 8080 set, i.e. no 8085- or Z80-specific versions. The versions for 8086 and 68000 were of course true ports, known as CP/M-86 and CP/M-68k respectively. There was also CP/M-8000 for the Zilog [[Z8000]].
 {{Infobox OS
@@ Line 11: / Line 11: @@
-CP/M was the inspiration to [[MS-DOS]].  It assigns letters for each drive, however it doesn't use directories.  CP/M was a portable operating system that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing.  CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
+CP/M was the inspiration to [[MS-DOS]].  It assigns letters for each drive, however it doesn't use directories (and the first version of (PC-)DOS didn't either).  CP/M was a portable operating system that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing.  CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
 The key to CP/M's portability and success was its division into core applications, CCP (command processor), BDOS and BIOS parts - the BIOS provides functions to the BDOS, and BDOS provides functions to applications. To port CP/M to a new computer platform it's only necessary to write a hardware-specific BIOS with a small set of routines, and a boot loader. A reference BIOS listing which is useful as a starting point can be found in the Digital Research documentation. This relatively simple concept meant that CP/M was quickly ported to a wide range of hardware.

@@ Line 1: / Line 1: @@
-CP/M was an early OS for microcomputers.  It was ported to several CPUs, the most popular ports were for the [[i8080]] and the [[Z80]].
+CP/M was an early OS for microcomputers.  It was ported to several CPUs, the first and most common version for CP/M-80 which worked on the [[i8080|8080]], the [[i8085|8085]], and the [[Z80]].
-It should be noted thought that the core of CP/M (everything but the machine-specific BIOS) of CP/M on 8085 and Z80 was the 8080 version, Digital Research did not see much point in building a version with instructions outside of the 8080 set (so no Z80-specific version).  The versions for 8086 and 68000 were of course true ports, known as CP/M-86 and CP/M-68k respectively.
+Digital Research did not see much point in building a version with instructions outside of the 8080 set (so no 8085- or Z80-specific version).  The versions for 8086 and 68000 were of course true ports, known as CP/M-86 and CP/M-68k respectively. There was also CP/M-8000 for the Zilog [[Z8000]].
 {{Infobox OS
 | name = CP/M
 | creator = Gary Kildall at Digital Research, Inc.
-| architecture = 8080, z80, 8085, 8086, 68000
+| architecture = 8080, Z80, 8085, 8086, MC68000, Z8000
 | current version = 3.1
 }}
-CP/M was the inspiration to [[MS-DOS]].  It assigns letters for each drive, however it doesn't use directories.  CP/M was a portable operating system, that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing.  CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
+CP/M was the inspiration to [[MS-DOS]].  It assigns letters for each drive, however it doesn't use directories.  CP/M was a portable operating system that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing.  CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
 The key to CP/M's portability and success was its division into core applications, CCP (command processor), BDOS and BIOS parts - the BIOS provides functions to the BDOS, and BDOS provides functions to applications. To port CP/M to a new computer platform it's only necessary to write a hardware-specific BIOS with a small set of routines, and a boot loader. A reference BIOS listing which is useful as a starting point can be found in the Digital Research documentation. This relatively simple concept meant that CP/M was quickly ported to a wide range of hardware.

← Older revision		Revision as of 10:06, 23 November 2012
Line 9:		Line 9:


−	CP/M was the inspiration to [[MS-DOS]]. It assigns letters for each drive, however it doesn't use directories. CP/M was a portable operating system, that was popularized because it was cheap, and was not resource ~~intesnsive~~, unlike [[Unix]] which had very restrictive licensing. CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).	+	CP/M was the inspiration to [[MS-DOS]]. It assigns letters for each drive, however it doesn't use directories. CP/M was a portable operating system, that was popularized because it was cheap, and was not resource intensive, unlike [[Unix]] which had very restrictive licensing. CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).
		+
		+	The key to CP/M's portability and success was its division into core applications, CCP (command processor), BDOS and BIOS parts - the BIOS provides functions to the BDOS, and BDOS provides functions to applications. To port CP/M to a new computer platform it's only necessary to write a hardware-specific BIOS with a small set of routines, and a boot loader. A reference BIOS listing which is useful as a starting point can be found in the Digital Research documentation. This relatively simple concept meant that CP/M was quickly ported to a wide range of hardware.

	Without doubt the 'killer' application that CP/M had was [[SuperCalc]] a [[VisiCalc]] clone. Not to mention there was a port of [[Zork]] to the CP/M z80 platform.		Without doubt the 'killer' application that CP/M had was [[SuperCalc]] a [[VisiCalc]] clone. Not to mention there was a port of [[Zork]] to the CP/M z80 platform.

← Older revision		Revision as of 13:44, 24 December 2010
Line 12:		Line 12:

	Without doubt the 'killer' application that CP/M had was [[SuperCalc]] a [[VisiCalc]] clone. Not to mention there was a port of [[Zork]] to the CP/M z80 platform.		Without doubt the 'killer' application that CP/M had was [[SuperCalc]] a [[VisiCalc]] clone. Not to mention there was a port of [[Zork]] to the CP/M z80 platform.
		+
		+	== commands ==
		+	The CCP provides a number of resident commands:
		+
		+	TYPE - list a file at the console
		+
		+	DIR - display the disk directory of files
		+
		+	ERA - erase a file or group of files
		+
		+	REN - rename a file
		+
		+	USER - move to a different user area
		+
		+	SAVE - save the contents of the TPA to disk for debugging
		+
		+	The remaining utilities take the form of transient programs which are loaded from disk when required:
		+
		+	ASM - assembler
		+
		+	LOAD - loader
		+
		+	DDT - Dynamic Debugging Tool
		+
		+	ED - line oriented editor
		+
		+	PIP - file copy program
		+
		+	STAT - disk status and statistics (free space, etc.)
		+
		+	DUMP - simple file hex dump
		+
		+	SUBMIT - batch command
		+
		+	XSUB - SUBMIT extension
		+
		+	Generally, at least two hardware dependent programs are supplied by the computer vendor:
		+
		+	FORMAT - Formats a blank disk
		+
		+	SYSGEN - Transfers the operating system between disks and memory
		+
		+	Digital Research, the authors of CP/M, also offer a number of upgraded utilities for CP/M:
		+
		+	MAC - macro assembler
		+
		+	RMAC - relocating macro assembler
		+
		+	LINK - linking loader (linkage editor)
		+
		+	LIB - relocatable module librarian
		+
		+	XREF - cross reference lister

← Older revision		Revision as of 20:55, 8 April 2010
Line 1:		Line 1:
−	CP/M was an early OS for microcomputers. It was ported to several CPUs, the most popular ports were for the [[~~8080~~]] and the [[Z80]].	+	CP/M was an early OS for microcomputers. It was ported to several CPUs, the most popular ports were for the [[i8080]] and the [[Z80]].

	{{Infobox OS		{{Infobox OS

← Older revision		Revision as of 22:38, 11 February 2009
Line 11:		Line 11:
	CP/M was the inspiration to [[MS-DOS]]. It assigns letters for each drive, however it doesn't use directories. CP/M was a portable operating system, that was popularized because it was cheap, and was not resource intesnsive, unlike [[Unix]] which had very restrictive licensing. CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).		CP/M was the inspiration to [[MS-DOS]]. It assigns letters for each drive, however it doesn't use directories. CP/M was a portable operating system, that was popularized because it was cheap, and was not resource intesnsive, unlike [[Unix]] which had very restrictive licensing. CP/M was also seen as a popular choice of an OS on the [[S-100]] type machines, although not all machines that ran CP/M had S-100 slots (The [[Commodore 128]] would be a good example of such).

−	Without doubt the 'killer' application that CP/M had was [[~~visicalc~~]]. Not to mention there was a port of [[Zork]] to the CP/M z80 platform.	+	Without doubt the 'killer' application that CP/M had was [[SuperCalc]] a [[VisiCalc]] clone. Not to mention there was a port of [[Zork]] to the CP/M z80 platform.