While the standard ASCII character set limited itself to 127 values, Commodore's PETSCII included 192 values to include their extended graphics characters.
PETSCII was first introduced with the Commodore PET to allow for simple, character-based graphics for game support. The character set was repeated in the Commodore VIC-20, C64, CBM-II, Plus/4, C16, C116, and the C128.
Codes 192-223 as codes 96-127 Codes 224-254 as codes 160-190 Code 255 as code 126 Code 14 Big / small letters / chars Code 142 Big / graphic letters / chars
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