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1
J
4. Input/Output
Circuitry of the MZ-800 Joystick
>-
_ _ _ _ _
f'l...
~
7("1
8
COM
8
p
z;;4
5
>
L.Y
~
7417
L2.o
+5V
~GND
(Configuration of Joystick 1)
Low active strobes are issued through
PA4 (JOY1) of the 8255 and PA5 (JOY2)
interrogate switch activation through in-
puts to $FO (JOY1) and $Fl (JOY2)
5
ADO
JOY
DTO
DT1
DT2
DT3
DT4
DT5
6
1
G1 G2
-<}-
LS365
::L
V
V
V
_v
,/
- -
-
).,
2
3
4
.A
7
+5V
~K
FWD
BACK
LEFT
RIGHT
TRG1
TRG2
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