The '''Amstrad CP/M Plus character set''' (alternatively known as '''PCW character set''' or '''ZX Spectrum +3 character set''') refersis toany of a group of 8-bit character sets introduced by [[Amstrad]]/[[Locomotive Software]] for use in conjunction with their adaptation of [[Digital Research]]'s [[CP/M Plus]]<ref name="Plus3CPM"/> on various [[Amstrad CPC]] / [[Schneider CPC]] and [[Amstrad PCW]] / [[Schneider Joyce]]<!-- PCW 8000, PCW 9256, PCW 10, PCW 9512, PCW 9512+ --> machines.<ref name="Elliott_2015_XBIOS"/><ref name="AT_CPMPlus_CS"/> The character set was also used on the [[Amstrad ZX Spectrum +3]] version of cp/m.<ref name="Plus3CPM"/>
At least on the ZX Spectrum +3 it existed in eight language-specific variants (based on [[ISO/IEC 646]]) depending on the selected locale of the system, with ''language 0'' being the default for "US".<ref name="Plus3Language"/>
