*[https://github.com/nukeykt/Nuked-MD-FPGA/blob/main/z80.v Nuked-MD-FPGA] [https://github.com/gdevic/A-Z80 A-Z80] Ultra accurate Z80 emulators running on FPGA [https://baltazarstudios.com/z80-ground/ Baltazar] [https://www.righto.com/2014/10/how-z80s-registers-are-implemented-down.html Ken Shirriff] [https://static.righto.com/files/z80-pla-table.html Instruction decode PLA table] Technical documentation
*[https://github.com/floooh/v6502r Visual Z80 Remix] [https://github.com/gdevic/Z80Explorer Z80 Explorer] Reverse engineered Z80 from decapped chip
*[https://github.com/codedchip/AMSGateArray AMSGateArray] [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/gate-array-decapped! Forum thread] Reverse engineered Gate Array from decapped chips
*[https://k3pi.chickenkiller.com/dzi/ ASIC and Pre-ASIC] [https://siliconpr0n.org/map/zilog/z0840008psc-z80cpu/ Z80 CPU] [https://www.seanriddle.com/6845/ HD6845SP CRTC] [http://seanriddledecap.blogspot.com/2023/12/blog-post_31.html AY-3-8912 PSG] [http://seanriddledecap.blogspot.com/2017/01/blog-post_42.html NEC D765 FDC] Die shots of decapped CPC chips. How to: [https://github.com/veniamin-ilmer/decoding_rom Optically decode the ROM of a decapped chip] [https://github.com/travisgoodspeed/gbrom-tutorial Automate ROM decoding] [https://youtu.be/ZQeHHYJYWXo Decap a chip without using chemicals]
*[https://thecheshirec.at/2023/11/21/5-multi-crtcs-a-vendre/ Multi-CRTC Board] Host and select between multiple CRTC chip types in one CPC