Documents User's Guide Z80ATmega128 Board Setup Guide (English / Japanese) How to make CP/M2.2 disk image (English / Japanese) How to make CP/M3 (CP/M Plus) disk image (English / Japanese) ATmega128 Tiny Monitor Command Reference (English) Hardware Specifications Z80ATmega128 Board Hardware Specification (Japanese) Hardware Release Note (English / Japanese) Software Specifications Emulated external I/O device specification (English / Japanese) CCP/M 2.2 BIOS design Spacification (English / Japanese) Design Memo CP/M DISK Parameters (Japanese) PCB Design memo of KiCad (Japanese) Developement Log (Japanese) Summary of progress 2023/02/25 - 2023/07/04 2023/07/07 - 2023/10/22 2023/10/23 - 2023/12/28 2024/01/15 -