The ZX80 and ZX81, like a number of 80s personal computers featured a set of graphical characters in addition to standard alphanumeric and punctuation and provi

The ZX80 and ZX81, like a number of 80s personal computers featured a set of graphical characters in addition to standard alphanumeric and punctuation and provided a way to enter then directly from the keyboard. On the Sinclair machines you'd use SHIFT + GRAPH to enter "graphics mode." https://upload.wikimedia.org/wikipedia/commons/e/e9/Commodore-64-Computer-FL.jpg https://upload.wikimedia.org/wikipedia/commons/e/e9/Commodor... https://upload.wikimedia.org/wikipedia/commons/9/9a/Atari-130XE.jpg https://upload.wikimedia.org/wikipedia/commons/9/9a/Atari-13...