18-bit computing: Difference between revisions

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==Character encoding==
18Eighteen-bit machines use a variety of character encodings.
 
The [[DEC Radix-50]], called Radix 50<sub>8</sub> format, packs three characters plus two bits in each 18-bit word.<ref>{{Cite manual|title=PDP-9 Utility Programs--Advanced Software System--Programmer's Reference Manual|publisher=[[Digital Equipment Corporation]]|year=1968|___location=Maynard, Massachusetts|url=http://www.bitsavers.org/pdf/dec/pdp9/DEC-9A-GUAB-D_UTILITIES.pdf|archive-date=January 25, 2019|url-status=live|archive-url=https://web.archive.org/web/20190125062212/http://www.bitsavers.org/pdf/dec/pdp9/DEC-9A-GUAB-D_UTILITIES.pdf|page=A1-1|chapter=Linking Loader}}</ref>