#A 4$, 4ICs, Z80 homemade computer on breadboard

Yeahp... AVRs are chock-full of peripherals that older computers used to implement via separate dedicated chips... So... In the 8086/8088-realm, they could be kinda like "super-IO" controller-chips, or south-bridges...?

Hmmm... Maybe I'm going about this all wrong. Or not, since it's kinda been curbed.