The Madness of Z80 I/O

This episode is sponsored by PCBWay https://www.pcbway.com Do you know what exactly OUT (C),A does? Are you sure? Prepare for a deep dive into the madness that is Z80 I/O and some sneaky ways to get around it. Support Noel's Retro Lab on Patreon: https://www.patreon.com/NoelsRetroLab You can also support Noel's Retro Lab on YouTube by joining this channel: https://www.youtube.com/channel/UC2-SP1bYi3ueKlVU7I75wFw/join 🛠 Tools used in this video (affiliate links): Signal generator https://amzn.to/3O2DMMB Oscilloscope https://amzn.to/48OnYoB Power supply https://amzn.to/3RYPrNA Other tools I use https://noelsretrolab.com/tools.html Chapters: 00:00 Intro 00:26 Memory-mapped IO 01:38 Dedicated IO lines 02:53 OUT 05:28 Measuring 08:33 What about B? 13:08 Amstrad CPC 17:18 Alternative to OUT Connect with Noel's Retro Lab: Discord ➤ https://discord.gg/ETcCh6J Facebook ➤ https://www.facebook.com/NoelsRetroLab Twitter ➤ https://twitter.com/NoelsRetroLab Instagram ➤ https://www.instagram.com