The CBM/Business keyboards added an ESC key which sort-of gets used as a modifier for various escape codes, but wasn't used for extra glyphs as far as I know. I think the VIC-1001 was the first to have a C= key, and also CTRL for that matter.
Robin @ 8-Bit Show And Tell
@8bitshowandtell.bsky.social
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Programming, gaming, collecting, and making videos about 8-bits. Amateur computer detective and historian, gradually finding everything is connected. Commodore is my first love, but there's something interesting about every make and model.
