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"Recipe" to connect a CH376 to a Z80 via I/O port

How to connect a CH376 to a Z80 via I/O ports 20h and 21h (compatible with Rookie Drive):

Z80 74HC688 CH376
5V 5V 5V
GND GND GND
D7...D0 D7...D0
RD RD
WR WR
A0 A0
A7...A1 A7...A1
IORQ A0
GND E
GND B0
GND B1
GND B2
GND B3
GND B4
5V B5
GND B6
GND B7
A=B CS

To make it compatible with MSX-USB instead (using ports 10h and 11h), connect B4 to 5V and B5 to GND in the 74HC688.

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