Caple C871i Bedienungsanleitung Seite 251

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Apple II Computer Info
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### FILE : koalapad.c64
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### Created : Thursday, August 28, 1997 Modified: Thursday, August 28, 1997
### File Type: "TEXT" File Creator: "LMAN"
### File Size: 3531 bytes 3 KB
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From: Rubywand <[email protected]>
Newsgroups: comp.sys.apple2
Subject: C-64 to A2 Koala Pad Converter? (was Re: Koala Pad)
Date: Thu, 28 Aug 1997 12:30:51 +0000
Organization: Southwestern Bell Internet Services, Richardson, TX
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Ray writes ...
> .... This Koala Pad has a 9 pin male connector the same
> as the male joystick port on my apple IIe. I thought I may be able to
> get a gender changer and connect there but it doesn't sound that way.
> Is there a practical way to use this with any AppleII product?
> Ray
It appears that there is some confusion about male/female. The
standard Apple II 9-pin Game/Joystick port has a female connector or
socket. Standard Apple II joysticks with 9-pin DIN plugs have male
connectors.
Since the standard Commodore-64 9-pin DIN port is male, it looks
like your Koala Pad (with a female plug) is intended to work on a C-64,
VIC-20, etc. machine.
As to whether or not the C-64 Koala Pad can be used on an Apple
II, it looks like, probably, it can, if you can find or build an
adaptor. This is, really, a guess. It is based upon the capabilities of
the C-64 Game port, time constant capacitor values used in the C-64,
and the probability that Koala Pad's makers would not wish to make
major design changes between Apple and C-64 models.
Although C-64 joysticks are of the simple "switcher" type which
connect to Game port switch inputs, the C-64 Game port also includes X
and Y analog "paddle" inputs. These are at pin 9 (X) and pin 5 (Y). The
C-64 manual does not ever seem to specify an optimal max R value for
the pots connected to these inputs; but, the capacitor part of the
expected R/C circuit is 1000 pF in each case and the caps go to ground.
Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 251 of 572
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