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For years, it's generally accepted that 8 bit microcomputer CPUs does not have hardware support for protected mode. However, my recent discovery shows otherwise. In this video, I will show you how to implement memory and I/O protection on a z80 with minimal external circuit. Links: General Introduction to the Z80: The history of Zilog and Z80: Z80 assemnly tutorial: CPU timeline: Edit: this video is the third release! I managed to iron out all problems in the second one, which includes: 1, CRT noise everywhere 2, intro video footages are not muted (you can hear computer noise over the music) 3, 0:55 the (absolutely terrible) B-roll is not muted (You can hear me watching a video about the Mindset computer in the background... I thought it was fine since I
