This Guy Designed and Built an 8-bit CPU from Scratch
The breadboard CPU can play the Mario theme, but programming it is a pain in the ass. Continue reading This Guy Designed and Built an 8-bit CPU from Scratch
Category Archives: diy cpu
Another 74XX Series CPU
[Jack Eisenmann] is no stranger to building impressive DIY CPU’s on vast stretches of breadboard. This time [Jack] has done away with the seventeen breadboards he used in his last 8-bit computer and instead has gone a step further and designed a set of generously utilised PCB’s for the CPU. The result is the DUO Enterprise.
The CPU design is based around an 8-bit data bus and a 24-bit address bus. As usual, a minimal yet carefully chosen instruction set allows [Jack] to do all the heavy lifting in software as part of the compiler and operating system he is …read more
