Build Your Own Z80 Computer

I build a kit form of the ZX-81 back in the early 80's. It was a terrific machine for me at the time. Now I think these chips are still sold into traffic lights.

Who else here remembers their Z80 opcodes? I remember C8 Return of Zero, and just plain old return, C9. Been a whole though...

These days a single line of PHP would bring the Z80 to its knees...

The one command I remember was the most powerful command of the Z80:

LDIR (LoaD Increment Repeat)...aka Block Move in 1 instruction.

The IX, IY registers with index registers were cool too.

I'm showing my age...I was 12 when I was hacking Z80 assembly on my TRS-80

Steve Ciarcia is the man - I still remember reading a BYTE article he wrote showing how to build your own 80286 computer using some VLSI chipset (this was in the mid-late 80s). By build, I mean schematics, soldering, etc.

did i miss something, or is this just a picture of a book?