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.

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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'>https://noelsretrolab.com/tools.html

Chapters:
00:00 Intro
00:26 Memorymapped 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


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