Hardware code page: Difference between revisions

Revision as of 22:42, 29 December 2017

Revision as of 22:52, 3 April 2018

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Hardware code pages are also [[OEM code page]]s. The designation "OEM", for "[[original equipment manufacturer]]", indicates that the character set could be changed by the manufacturer to meet different markets.<ref name="Chen_2005_CP"/><ref name="Chen_2005_OEM"/>

However, OEM code pages do not necessarily reside in ROM, but include so called [[prepared code page]]s,<ref name="XyWrite_2009"/><ref name="Caldera_1998_USER-17"/> (aka [[downloadable character set]]s<!-- aka "down-line loadable character set", term used by DEC --> or [[downloadable font]]s), character sets loaded as [[raster font]]s into the font RAM of suitable display adapters (like [[Sirius 1]]/[[Victor 9000]],<ref name="Sargent_1988_Sirius"/> [[NEC APC]],<ref name="NEC_1983_APC"/> [[HP 100LX]]/[[HP 200LX|200LX]]/[[HP OmniGo 700LX|700LX]],<ref name="HP_1996_200LXUG"/> [[Persyst]]'s [[Persyst BoB Color Adapter|BoB Color Adapter]],<ref name="Hart_1985"/> [[Hercules Computer Technology|Hercules]]' [[HGC+]],<ref name="Wilton_1987"/><ref name="Brown_2000_RBIL"/><ref name="Elliott_2012_HGCPlus"/> [[Hercules InColor Card|InColor]]<ref name="Wilton_1987"/><ref name="Elliott_2012_InColor"/> and [[Hercules Network Card Plus|Network Plus]]<ref name="CW_1988"/><ref name="Hercules_1988"/> with [[RAMFONT]], and IBM's [[Multi-Color Graphics Array|MCGA]],<ref name="Wilton_1987"/><ref name="Ferraro_1994"/><ref name="Brown_2000_RBIL"/> [[Enhanced Graphics Adapter|EGA]],<ref name="Ferraro_1994"/><ref name="Brown_2000_RBIL"/> [[VGA]],<ref name="Ferraro_1994"/><ref name="Brown_2000_RBIL"/> etc.) and printers as well.<ref name="Paul_2001_CPI"/><ref name="Elliott_2006_CPI"/><ref name="AEB_2001_CPI"/><ref name="Haralambous_2007_CPI"/><ref name="MS_1991_PR"/> Hence, the group of OEM code pages is a superset of hardware code pages.

==See also==

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<ref name="HP_1991_95LXUG">{{cite book |title=HP 95LX User's Guide |publisher=[[Hewlett-Packard Company]], Corvallis Division |___location=Corvallis, OR, USA |edition=2 |date=June 1991 |orig-year=March 1991 |id=F0001-90003 |url=http://www.retroisle.com/others/hp95lx/OriginalDocs/95LX_UsersGuide_F1000-90001_826pages_Jun91.pdf |access-date=2016-11-27 |dead-url=no |archive-url=https://web.archive.org/web/20161128202642/http://www.retroisle.com/others/hp95lx/OriginalDocs/95LX_UsersGuide_F1000-90001_826pages_Jun91.pdf |archive-date=2016-11-28 |pages=E–1 – E–3, F–1 – F–7|quote=The [[HP&nbsp;95LX]] character set is equivalent to [[code page 850]], the [[IBM&nbsp;PC]] multilingual character set. (Note that your HP 95LX contains [[MS-DOS 3.22]], which does not support [[code-page switching]].) All the HP&nbsp;95LX applications use this set except [[Lotus 1-2-3|1-2-3]], which uses [[LICS (character set)|LICS]], the [[Lotus International Character Set]]. Most LICS characters are included in code page 850; the few that are not will not display […] If your HP&nbsp;95LX cannot display […] or if your printer cannot print a LICS character, the HP&nbsp;95LX uses a fallback presentation for that character […] if you use the <tt>©</tt> symbol and your printer cannot print it, the HP&nbsp;95LX might display <tt>(c)</tt> or <tt>c</tt> as the fallback presentation (depending on the capabilities of your printer).}}</ref>

<ref name="HP_1996_200LXUG">{{cite book |title=HP 200LX User's Guide |publisher=[[Hewlett-Packard Singapore (Private) Limited]], Asia-Pacific Personal Computer Division |___location=Singapore |edition=1 |date=October 1996 |orig-year= |id=1216-90001 |url=http://h10032.www1.hp.com/ctg/Manual/bpia5259.pdf |access-date=2016-11-29 |dead-url=no |archive-url=https://web.archive.org/web/20161130124719/http://h10032.www1.hp.com/ctg/Manual/bpia5259.pdf |archive-date=2016-11-30 |pages=21–6–21–7, 25–9–25–13, 26–14–26–18, C–1 – C–4, D–1 – D–10 |quote=Your palmtop supports [[code page 850|code pages 850]] and [[code page 437|437]]. The built-in applications (except [[Lotus 1-2-3|1-2-3]]) and [[System Manager (HP LX)|System Manager]]-compliant applications […] use code page 850. […] Any DOS application you load and run will by default use code page 437. If an application requires code page 850, you can select it using the Setup utility.}}</ref>

<ref name="Sargent_1988_Sirius">{{cite book |title=Asasemblersprache und Hardware des IBM PC/XT/AT |author-first1=Murray |author-last1=Sargent III. |author-first2=Richard L. |author-last2=Shoemaker |author-first3=Ernst H. K. |author-last3=Stelzer |publisher=[[Addison-Wesley Verlag (Deutschland) GmbH]] / [[Addison-Wesley Publishing Company]] |edition=1 |date=1988 |isbn=3-89319-110-0 |id=VVA-Nr. 563-00110-4}}</ref>

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