
Apple II Computer Info
going to the other side of each button
switch at the non-switch end. If a wire
runs from one switch to the other,
leave it alone. If not, connect a wire
from switch to switch. This is the
"common" side of the switches.
You want to end up with a single wire
going to the common side of the switches
and separate Button 0 and Button 1 wires
going to the other side:
____Button 0 wire
|
|
X B0 Switch
|
|
------- COMMON Wire
|
|
X B1 Switch
|
|____Button 1 wire
Label the COMMON wire as "GROUND"
4. The 330k resistors will help bring the
outputs of the Apple2 X and Y 150k Ohm
pots closer to the 0-100k range PC
prefers. Connect a 330k resistor
'across' each pot-- i.e. from the center
post to the post going to a +5 lead.
5. Label each of the leads coming from
the PC cable. If it is still connected
to a joystick, the following pic will
help identify each lead:
PC Joystick
(15-pin female connector)
[1]--------------- +5V
[2] -------------- Button 0
[3] -------------- X-axis
[6] -------------- Y-axis
[7] -------------- Button 1
[4] and [5] --- Ground
If the cable is still connected, snip the
the leads once they are all labeled. If
both Ground ([4] and [5]) leads are
present, twist them together and treat
like a single Ground lead.
FINISHING UP
You have six labeled wires in the
Apple2 joystick case: +5, GROUND, B0,
Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 34 of 572
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