Maplin ROM Box - Revision history

Polluks: typo

2016-07-24T02:32:47Z

typo

← Older revision		Revision as of 02:32, 24 July 2016
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	The '''Amstrad Expansion System (Part 1)''' is primarily a '''rom box''' for the CPC series, but had additional features:		The '''Amstrad Expansion System (Part 1)''' is primarily a '''rom box''' for the CPC series, but had additional features:

	* Special non-standard Buffered Expansion Port (with pre-decoded IOSEL line, on access to "free" I/O ~~addresss~~)		* Special non-standard Buffered Expansion Port (with pre-decoded IOSEL line, on access to "free" I/O address)
	* Lightpen socket (3.5mm stereo socket - just a connector with LPEN,5V,GND - without any additional electronics)		* Lightpen socket (3.5mm stereo socket - just a connector with LPEN,5V,GND - without any additional electronics)

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	* [http://en.wikipedia.org/wiki/Eurocard Info on EURO-card standard]		* [http://en.wikipedia.org/wiki/Eurocard Info on EURO-card standard]
	* http://www.maplin.co.uk/		* http://www.maplin.co.uk

	[[Category:Expansion ROM]] [[Category:Peripherals]] [[Category:manual]]		[[Category:Expansion ROM]] [[Category:Peripherals]] [[Category:manual]]

Spookspring at 20:21, 16 September 2014

2014-09-16T20:21:15Z

← Older revision		Revision as of 20:21, 16 September 2014
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	* [[Media:Maplin ROM-Box Manual.pdf\|Amstrad Expansion System Part 1: Maplin ROM-Box Manual]] (pdf)		* [[Media:Maplin ROM-Box Manual.pdf\|Amstrad Expansion System Part 1: Maplin ROM-Box Manual]] (pdf)
	* [[Media:Maplins Amstrad Expansion System Part 2 (Project Book19).pdf\|Amstrad Expansion System Part 2: 6x8bit I/O Port]] (pdf)		* [[Media:Maplins Amstrad Expansion System Part 2 (Project Book19).pdf\|Amstrad Expansion System Part 2: 6x8bit I/O Port]] (pdf)

			== Additional ==

			* [[Media:Maplin Video Digitiser.pdf\| Maplin Video Digitiser DIY Kit Article]] (pdf)
			"Electronics - The Maplin Magazine" Dec 1985-Nov 1986. Published by Maplin Electronic Supplies Ltd. Page 12 - 18; Video Digitiser. This DIY Kit could be assembled for use in the Buffered Eurocard Extension board of the Maplin ROM Box for use with Amstrad CPC and Z80 Computers. Gives full instructions on how to build it with board layout and list of components.

	== Weblinks ==		== Weblinks ==

Bryce at 08:55, 30 June 2011

2011-06-30T08:55:28Z

← Older revision		Revision as of 08:55, 30 June 2011
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	== Technical ==		== Technical ==

	ROM is selected using an I/O port decoded with A15=1, A13=0. The ROM number is decoded using D3-D0 only, meaning a maximum of 7 ROMs can be used.		ROM is selected using an I/O port decoded with A15=1, A13=0. The ROM number is decoded using D3-D0 only, meaning a maximum of 16 ROMs can be used, but the PCB only has 8 sockets available.
	In addition more then one value can select the same ROM.		In addition more then one value can select the same ROM.

Arnoldemu: /* Description */

2011-06-29T12:12:24Z

Description

← Older revision		Revision as of 12:12, 29 June 2011
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	* 6x8bit I/O port (using two [[8255 PPI chip]]s)		* 6x8bit I/O port (using two [[8255 PPI chip]]s)
	* Additional power-supply module (PSU)		* Additional power-supply module (PSU)

			== Technical ==

			ROM is selected using an I/O port decoded with A15=1, A13=0. The ROM number is decoded using D3-D0 only, meaning a maximum of 7 ROMs can be used.
			In addition more then one value can select the same ROM.

	== Pictures ==		== Pictures ==

MacDeath at 20:33, 19 December 2010

2010-12-19T20:33:05Z

← Older revision		Revision as of 20:33, 19 December 2010
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	* http://www.maplin.co.uk/		* http://www.maplin.co.uk/

	[[Category:~~Memory expansions]] [[Category:Hardware~~]] [[Category:Peripherals]] [[Category:manual]]		[[Category:Expansion ROM]] [[Category:Peripherals]] [[Category:manual]]

Robcfg: /* Pictures */ Added 300dpi scans of two Maplin Boards' PCB

2010-11-01T13:40:40Z

Pictures: Added 300dpi scans of two Maplin Boards' PCB

← Older revision		Revision as of 13:40, 1 November 2010
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	Image:ROMBOX_04_MANUAL.JPG\|ROM Box and photocopy of how-to build manual		Image:ROMBOX_04_MANUAL.JPG\|ROM Box and photocopy of how-to build manual
	Image:ROMBOX_05_SCREEN.JPG\|Connected showing ROMs		Image:ROMBOX_05_SCREEN.JPG\|Connected showing ROMs
			Image:Maplin_ROMBoard_PCB_Top_(1).jpg\|PCB Top (1)
			Image:Maplin_ROMBoard_PCB_Bottom_(1).jpg\|PCB Bottom (1)
			Image:Maplin_ROMBoard_PCB_Top_(2).jpg\|PCB Top (2)
			Image:Maplin_ROMBoard_PCB_Bottom_(2).jpg\|PCB Bottom (2)
	</gallery>		</gallery>

Nocash: /* Description */

2010-08-23T20:31:01Z

Description

← Older revision		Revision as of 20:31, 23 August 2010
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	The '''Amstrad Expansion System''' aka '''Maplin ROM Card''' from [[Maplin]] is a DIY project by [[Dave Goodman]] and [[John Attfield]].		The '''Amstrad Expansion System''' aka '''Maplin ROM Card''' from [[Maplin]] is a DIY project by [[Dave Goodman]] and [[John Attfield]].

	The Amstrad Expansion System (Part 1) ~~was~~ primarily a '''rom box''' for the CPC series, but had additional features:		The '''Amstrad Expansion System (Part 1)''' is primarily a '''rom box''' for the CPC series, but had additional features:

	* Special non-standard Buffered Expansion Port (with pre-decoded IOSEL line, on access to "free" I/O addresss)		* Special non-standard Buffered Expansion Port (with pre-decoded IOSEL line, on access to "free" I/O addresss)
	* Lightpen socket (3.5mm stereo socket - just a connector with LPEN,5V,GND - without any additional electronics)		* Lightpen socket (3.5mm stereo socket - just a connector with LPEN,5V,GND - without any additional electronics)

	The ~~DIY project consisted of a 16 page instruction leaflet.~~		The '''Amstrad Expansion System (Part 2)''' adds some more features:

			* 6x8bit I/O port (using two [[8255 PPI chip]]s)
			* Additional power-supply module (PSU)

	== Pictures ==		== Pictures ==

Nocash: /* Manual */

2010-08-23T13:31:59Z

Manual

← Older revision		Revision as of 13:31, 23 August 2010
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	== Manual ==		== Manual ==

	* ~~Amstrad Expansion System Part 1:~~ [[Media:Maplin ROM-Box Manual.pdf\|Maplin ROM-Box Manual]] (pdf)		* [[Media:Maplin ROM-Box Manual.pdf\|Amstrad Expansion System Part 1: Maplin ROM-Box Manual]] (pdf)
	* Amstrad Expansion System Part 2~~: [[Media:Maplin~~ Part 2~~.xxx~~]] (~~none such scanned yet?~~)		* [[Media:Maplins Amstrad Expansion System Part 2 (Project Book19).pdf\|Amstrad Expansion System Part 2: 6x8bit I/O Port]] (pdf)

	== Weblinks ==		== Weblinks ==

Nocash: /* Maplin's Amstrad Projects */

2010-04-07T00:37:46Z

Maplin's Amstrad Projects

← Older revision		Revision as of 00:37, 7 April 2010
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	The DIY project consisted of a 16 page instruction leaflet.		The DIY project consisted of a 16 page instruction leaflet.

	~~== Maplin's Amstrad Projects ==~~

	~~Maplin released various projects. The Amstrad CPC related ones are:~~

	* MAPLIN PROJECTS BOOK 18 - Amstrad Expansion System Part 1: an external ROM card system for the Amstrad
	* MAPLIN PROJECTS BOOK 19 - Amstrad Expansion System Part 2: describes the 6 x 8-bit parallel I/O Port and PSU Card
	* MAPLIN PROJECTS BOOK 20 - Amstrad 8 Bit Input Port

	== Pictures ==		== Pictures ==

Nocash at 00:37, 7 April 2010

2010-04-07T00:37:33Z

← Older revision		Revision as of 00:37, 7 April 2010
Line 3:		Line 3:
	== Description ==		== Description ==

	The '''Amstrad Expansion System''' aka '''Maplin ROM Card''' is a DIY project by [[Dave Goodman]] and [[John Attfield]].		The '''Amstrad Expansion System''' aka '''Maplin ROM Card''' from [[Maplin]] is a DIY project by [[Dave Goodman]] and [[John Attfield]].

	The Amstrad Expansion System (Part 1) was primarily a '''rom box''' for the CPC series, but had additional features:		The Amstrad Expansion System (Part 1) was primarily a '''rom box''' for the CPC series, but had additional features:

← Older revision		Revision as of 13:40, 1 November 2010
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	Image:ROMBOX_04_MANUAL.JPG\|ROM Box and photocopy of how-to build manual		Image:ROMBOX_04_MANUAL.JPG\|ROM Box and photocopy of how-to build manual
	Image:ROMBOX_05_SCREEN.JPG\|Connected showing ROMs		Image:ROMBOX_05_SCREEN.JPG\|Connected showing ROMs
			Image:Maplin_ROMBoard_PCB_Top_(1).jpg\|PCB Top (1)
			Image:Maplin_ROMBoard_PCB_Bottom_(1).jpg\|PCB Bottom (1)
			Image:Maplin_ROMBoard_PCB_Top_(2).jpg\|PCB Top (2)
			Image:Maplin_ROMBoard_PCB_Bottom_(2).jpg\|PCB Bottom (2)
	</gallery>		</gallery>