C is the most perfect language and it will run on anything. It will even run on a computer without a CPU. The computer in question here is the Gigatron, a fully-functional ‘home computer’ the likes of ...
Older CPUs and some fairly modern microcontrollers are not made to readily support C compilers. Among those are the 1802, some 8-bit PICs, and the 6502 at the heart of the Commodore 64. That’s not to ...