Comal80 - Revision history

CPM User at 08:51, 3 October 2020

2020-10-03T08:51:34Z

← Older revision		Revision as of 08:51, 3 October 2020
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	Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O (Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.		Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O (Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.

	The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" from Issue 6 1985 til Issue 3/4 1986~~(?)~~ to teach its readers COMAL80.		The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" from Issue 6 1985 til Issue 3/4 1986, to teach its readers COMAL80.

	== Download ==		== Download ==

CPM User at 08:41, 3 October 2020

2020-10-03T08:41:14Z

← Older revision		Revision as of 08:41, 3 October 2020
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	Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O (Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.		Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O (Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.

	The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" to teach its readers COMAL80.		The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" from Issue 6 1985 til Issue 3/4 1986(?) to teach its readers COMAL80.

	== Download ==		== Download ==

Polluks: /* CPC specific version */ typo

2015-11-14T23:30:27Z

CPC specific version: typo

← Older revision		Revision as of 23:30, 14 November 2015
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	=== CPC specific version ===		=== CPC specific version ===

	The native version was programmed by [[Freddy Dalgas Kristiansen]] and distributed through his company [[Dalgasoft]]. It was available on tape, disc and finally also a ROM version was available. This version of COMAL80 was compliant to the [http://www.c64-wiki.de/index.php/Commodore-64_Comal_80_rev_2.01 ~~Commodre~~ 64 Comal80 ver 2.01] and the UniComal variant for the IBM PC.		The native version was programmed by [[Freddy Dalgas Kristiansen]] and distributed through his company [[Dalgasoft]]. It was available on tape, disc and finally also a ROM version was available. This version of COMAL80 was compliant to the [http://www.c64-wiki.de/index.php/Commodore-64_Comal_80_rev_2.01 Commodore 64 Comal80 ver 2.01] and the UniComal variant for the IBM PC.

	The first of the tape and disc versions was lacking functions to control the special features of the Amstrad CPC. Functions like sound, graphics and software interrupts. To use the specific functions small modules was released so the programmer could include them in their own COMAL80 programs.		The first of the tape and disc versions was lacking functions to control the special features of the Amstrad CPC. Functions like sound, graphics and software interrupts. To use the specific functions small modules was released so the programmer could include them in their own COMAL80 programs.

	Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O(Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.		Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O (Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.

	The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" to teach its readers COMAL80.		The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" to teach its readers COMAL80.

Polluks: /* CP/M Version */

2013-04-29T19:49:10Z

CP/M Version

← Older revision		Revision as of 19:49, 29 April 2013
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	=== CP/M Version ===		=== CP/M Version ===
			C80MODE COM 6 400 27/12/12 23:08 C80MODE.COM
			COMAL80 COM 28 672 27/12/12 23:07 COMAL80.COM
			COMALCNV COM 9 984 27/12/12 23:09 COMALCNV.COM
			ERRMSG 2 432 27/12/12 23:07 ERRMSG
			FORMAT COM 1 536 27/12/12 23:09 FORMAT.COM
			PIP COM 7 424 27/12/12 23:12 PIP.COM
			SYSTEXT C80 1 280 27/12/12 23:06 SYSTEXT.C80
			SYSTEXT ASM 2 264 29/12/12 17:31 systext.asm

	=== CPC specific version ===		=== CPC specific version ===

Polluks at 19:50, 24 October 2011

2011-10-24T19:50:38Z

← Older revision		Revision as of 19:50, 24 October 2011
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	~~[[Category: Programming]][[Category: Programming software]]~~		== Modern COMAL variants ==

	~~== Modern COMAL variants ==~~		[[Category: Programming]] [[Category: Programming software]] [[Category: CP/M]]

MacDeath at 02:17, 18 December 2010

2010-12-18T02:17:06Z

← Older revision		Revision as of 02:17, 18 December 2010
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	COMAL (COMmon Algorithmic Language) is a computer-programming language developed in Denmark by [[Benedict Løfstedt]] and [[Børge Christensen]] in 1973.		COMAL (COMmon Algorithmic Language) is a computer-programming language developed in Denmark by [[Benedict Løfstedt]] and [[Børge Christensen]] in 1973.

	COMAL80 is a combination of the at the time dominant programming languages for educational purposes, [[BASIC]] and [[Pascal]]. The intention was to introduce a structured approach to programming where BASIC normally was used.		COMAL80 is a combination of the at the time dominant programming languages for educational purposes, [[BASIC]] and [[:Category:PASCAL\|Pascal]]. The intention was to introduce a structured approach to programming where BASIC normally was used.

	The programming language described was designed to remedy the weaknesses of BASIC by adding structured constructs and other desirable improvements, while retaining the major features and overall spirit of BASIC. COMAL80 is proposed as an introductory programming language for schools.		The programming language described was designed to remedy the weaknesses of BASIC by adding structured constructs and other desirable improvements, while retaining the major features and overall spirit of BASIC. COMAL80 is proposed as an introductory programming language for schools.

Alan Sugar at 15:47, 14 December 2009

2009-12-14T15:47:45Z

← Older revision		Revision as of 15:47, 14 December 2009
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	[[Category: Programming]]		[[Category: Programming]][[Category: Programming software]]

	== Modern COMAL variants ==		== Modern COMAL variants ==

CPCLER: /* Links */

2009-07-31T13:42:00Z

Links

← Older revision		Revision as of 13:42, 31 July 2009
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	[[Category: Programming]]		[[Category: Programming]]

			== Modern COMAL variants ==

CPCLER: /* CPC specific version */

2009-07-31T13:40:54Z

CPC specific version

← Older revision		Revision as of 13:40, 31 July 2009
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	The first of the tape and disc versions was lacking functions to control the special features of the Amstrad CPC. Functions like sound, graphics and software interrupts. To use the specific functions small modules was released so the programmer could include them in their own COMAL80 programs.		The first of the tape and disc versions was lacking functions to control the special features of the Amstrad CPC. Functions like sound, graphics and software interrupts. To use the specific functions small modules was released so the programmer could include them in their own COMAL80 programs.

	Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O(Random Access File) and the ability to use both DK'tronics and Vortex memory expansion as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.		Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O(Random Access File) and the ability to use both [[Dk'tronics memory expansion\|DK'tronics]] and [[Vortex_Expansions_RAM_card\|Vortex memory expansion]] as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.

	The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" to teach its readers COMAL80.		The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" to teach its readers COMAL80.

CPCLER at 13:13, 31 July 2009

2009-07-31T13:13:42Z

← Older revision		Revision as of 13:13, 31 July 2009
Line 1:		Line 1:
	COMAL (COMmon Algorithmic Language) is a computer-programming language developed in Denmark by [[Benedict Løfstedt]] and [[Børge Christensen]] in 1973.		COMAL (COMmon Algorithmic Language) is a computer-programming language developed in Denmark by [[Benedict Løfstedt]] and [[Børge Christensen]] in 1973.

	~~COMAL~~ is a combination of the at the time dominant programming languages for educational purposes, [[BASIC]] and [[Pascal]]. The intention was to introduce a structured approach to programming where BASIC normally was used.		COMAL80 is a combination of the at the time dominant programming languages for educational purposes, [[BASIC]] and [[Pascal]]. The intention was to introduce a structured approach to programming where BASIC normally was used.

	The programming language described was designed to remedy the weaknesses of BASIC by adding structured constructs and other desirable improvements, while retaining the major features and overall spirit of BASIC. ~~Comal80~~ is proposed as an introductory programming language for schools.		The programming language described was designed to remedy the weaknesses of BASIC by adding structured constructs and other desirable improvements, while retaining the major features and overall spirit of BASIC. COMAL80 is proposed as an introductory programming language for schools.

	~~Comal~~ is like BASIC an interpreted language. And interpreters was available for a wide range of platforms.		COMAL80 is like BASIC an interpreted language. And interpreters was available for a wide range of platforms. A key feauture of COMAL80 was the ability to expand the language features width modules or library's. Because of the structured nature, COMAL80 was often compared to [[BBC Basic]].
			Besides Denmark, Comal80 was frequently used in schools in Scotland.

	~~The Amstrad CPC had two version available.~~

	~~A generic [[CP/M]] version and a native version.~~		== COMAL80 for the Amstrad CPC ==

	The ~~native version was programmed by~~ [[~~Freddy Dan Dalgas Kristiansen~~]] ~~and distributed through his company [[Dalgasoft]]. It was~~ available ~~on tape, disc and rom~~.		The [[Amstrad CPC]] had two version available.

	~~Because of the structured nature, Comal80 was often compared to~~ [[~~BBC Basic~~]].		A generic [[CP/M]] version and a native version

	~~Besides Denmark~~, Comal80 was ~~frequently used~~ in ~~schools in Scotland~~.
			=== CP/M Version ===


			=== CPC specific version ===

			The native version was programmed by [[Freddy Dalgas Kristiansen]] and distributed through his company [[Dalgasoft]]. It was available on tape, disc and finally also a ROM version was available. This version of COMAL80 was compliant to the [http://www.c64-wiki.de/index.php/Commodore-64_Comal_80_rev_2.01 Commodre 64 Comal80 ver 2.01] and the UniComal variant for the IBM PC.

			The first of the tape and disc versions was lacking functions to control the special features of the Amstrad CPC. Functions like sound, graphics and software interrupts. To use the specific functions small modules was released so the programmer could include them in their own COMAL80 programs.

			Finally a greatly enhanced version was released. This version occupied three 16Kb eproms. Extensive graphic/sound/timer commands was added together width extended FILE I/O(Random Access File) and the ability to use both DK'tronics and Vortex memory expansion as ram discs or graphic swap space (to use width the advanced windows features). The ROM version was shipped with its own [[ROM board]], micro switches controlled whether to boot directly into COMAL80 or to make the ROM board invisible to allow native CPC programs to run. It is unknown if COMAL80 would have worked on a standard ROM board.

			The Danish magazine [[Amstradbladet]], ran a series of articles called "The COMAL school" to teach its readers COMAL80.

	== Download ==		== Download ==