Sharp MZ-80P6 Instruction Manual page 26

4 .. Timing chart
RDA
(Printer
4
controlled
RDP
(Controller
4
Printed
RD1 - RDB
(Controller
4
---\/
Printer) --",---,-_V_a I_i d __
1 _
STATUS
(Printer
4
Controller)
Printing timing
J\ALt
I
I I
I I
I
I
I
=x---..::___----' - -_
Status demand code
I
I
Status timing
5. Port address
The port address for the MZ-80P6's standard interface is as follows.
Port: FEH, FFH
23