PCB design progress

A project log for Isetta TTL computer

Retro computer built from TTL, with 6502 and Z80 instruction set. Includes video, file, and sound system. No microprocessor.

roelhroelh 02/14/2024 at 14:220 Comments

Here is the current state of the design, it's almost finished. The Flash chips had to change from DIL to PLCC, because the required 55nS speed is not available in DIL.