The "I used to have so much fun with my C64" to "I bet I could design my own 80s style microcomputer" pipeline is real, y'all.
@mos_8502 also tried to figure out an era-appropriate BOM since a variant of the 8580 was sold on the market but I couldn't find any surviving price information ;;
@mos_8502 if I had the time and resources I probably would've actually sat down and tried it honestly