Subject: Re: q: joystick pinouts
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From: vakusolar@mus.ch (Georg Lachenmeier)
Newsgroups: comp.emulators.apple2
Date: Sun, 25 Apr 1999 21:32:43 +0200
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Georg Lachenmeier <vakusolar@mus.ch> wrote:

> James D Winger <jdwinger@nilenet.com> wrote:
> 
> > hello,
> > does anyone have a copy of the HW ref manual?
> > 
> > in there there is a pinout listing as well as the mem addrresses for the
> > I/O
> > the joystick actually had 4 TTL outs which I am trying to access
> > 
> > thanks
> > 
> > jim winger
> 
> Yes, I have it. But you must wait 3-4 days for the information.
> 
> George

In the red book from the Apple II I found this:

Page 125:

     (Front Edge of the PC Board)
Pin 1 +5V        N.C. Pin 16
Pin 2 SW0        AN0  Pin 15
Pin 3 SW1        AN1  Pin 14
Pin 4 SW2        AN2  Pin 13
Pin 5 /C040 STB  AN3  Pin 12
Pin 6 PDL0       PDL3 Pin 11
Pin 7 PDL2       PDL1 Pin 10
Pin 8 GND        N.C. Pin  9

Page 126:

Signal descriptions for game I/O

AN0-AN3
8 addresses (C058-C05F) are assigned to selectively "SET" or "CLEAR"
these four "ANNUNCIATOR" outputs. Envisioned to control indicator
lights, each is a 74LSxx series TTL output and must be buffered if used
to drive lamps.

/C040 STB (aktiv low)
A utility strobe output. Will go low during Phase2 of a read or write
cycle to addresses CO¨=-C=¨F. This is a 74LSxx series TTL output.

GND
System circuit ground. 0 Volt line from power supply.

N.C.
No connection.

PDL0-PDL3
Paddle control inputs. Requires a 0-150K ohm variable resistance and +5V
for each paddle. Internal 100 ohm resistors are provided in series with
external pot to prevent excess current if pot goes completely to zero
ohms.

SW0-SW2
Switch inputs. Testable by reading from addresses C061-C063 (or
C069-C06B). These are uncommitted 74LSxx series inputs.

+5V
Positiv 5-Volts supply. To avoid burning out the connector pin, current
drain *must* be less than 100mA.
 
Page 137:

C04X: /C040 STB       Output strobe to Game i/o connector
....
C058: Clear "AN0"     Annunciator 0 output to Game I/O connector.
C059: Set     "
C05A: Clear "AN1"     Annunciator 1 output to Game I/O connector.
C05B: Set     "
C05C: Clear "AN2"     Annunciator 2 output to Game I/O connector.
C05D: Set     "
C05E: Clear "AN3"     Annunciator 3 output to Game I/O connector.
C05F: Set     "

Page 138:

....
(This is my corrected version, because the original red book has wrong
Switch-numbers)

C061/9 "SW0"          State of Switch 0 input on Game I/O-connector 
                      appears in bit 7.
C062/A "SW1"          State of Switch 1 input on Game I/O-connector 
                      appears in bit 7.
C063/B "SW2"          State of Switch 2 input on Game I/O-connector 
                      appears in bit 7.

C064/C Paddle 0 Timer output  State of timer output for 
                              Paddle 0 appears in bit 7.
C065/D Paddle 1 Timer output  State of timer output for 
                              Paddle 0 appears in bit 7.
C066/E Paddle 2 Timer output  State of timer output for 
                              Paddle 0 appears in bit 7.
C067/F Paddle 3 Timer output  State of timer output for 
                              Paddle 0 appears in bit 7.

C07X   "/PDL STB" (aktiv lo)  Triggers paddle timers during Phase2

....

Any questions?

cu

George