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    SubjectRe: [PATCH] db9.c (Re: [PATCH] gamecon (added support for Sega Saturn controller), kernel 2.4.20)
    Hello,
    Thank you very much for your reply and acceptance of my patch.

    Vojtech Pavlik <vojtech@suse.cz> wrote:
    > Thanks for the patch! I applied it to my kernel tree. How about a
    > patch to update for the joystick-parport.txt documentation file?
    I updated jostick-parport.txt file. New saturn figure is equivalent
    to previous documentation. It might require a review, especially in
    language.

    Thank you for your reading,
    yokota


    --- joystick-parport.txt.orig Thu Sep 13 07:34:06 2001
    +++ joystick-parport.txt Mon Jun 23 21:53:14 2003
    @@ -393,35 +393,66 @@

    2.4.3 Sega Saturn
    ~~~~~~~~~~~~~~~~~
    - Sega Saturn has eight buttons, and to transfer that, without hacks like
    + Sega Saturn has nine buttons, and to transfer that, without hacks like
    Genesis 6 pads use, it needs one more select pin. Anyway, it is still
    handled by the db9.c driver. Its pinout is very different from anything
    else. Use this schematic:

    - +-----------> Select 1
    - | +---------> Power
    - | | +-------> Up
    - | | | +-----> Down
    - | | | | +---> Ground
    - | | | | |
    - _____________
    -5 \ o o o o o / 1
    - \ o o o o /
    - 9 `~~~~~~~' 6
    - | | | |
    - | | | +----> Select 2
    - | | +------> Right
    - | +--------> Left
    - +----------> Power
    + +-------------------> Ground (parallel port pin 18 - 25)
    + | +-----------------> Data 2 (pin 3)
    + | | +---------------> Data 3 (pin 2)
    + | | | +-------------> Power sub (pin 1)
    + | | | | +-----------> Select 1 (pin 14)
    + | | | | | +---------> Select 0 (pin 16)
    + | | | | | | +-------> Data 0 (pin 5)
    + | | | | | | | +-----> Data 1 (pin 4)
    + | | | | | | | | +---> Power (pin 1)
    + | | | | | | | | |
    + /= = = = = = = = =\
    +| 1 2 3 4 5 6 7 8 9 |
    ++-------------------+

    - Select 1 is pin 14 on the parallel port, Select 2 is pin 16 on the
    + Select 1 is pin 14 on the parallel port, Select 0 is pin 16 on the
    parallel port.

    (pin 14) -----> Select 1
    -(pin 16) -----> Select 2
    +(pin 16) -----> Select 0

    - The other pins (Up, Down, Right, Left, Power, Ground) are the same as for
    -Multi joysticks using db9.c
    + Data 2, 3, 0, 1 are connected to pins 3, 2, 5, 4 on the parallel port.
    +
    +(pin 3) -----> Data 2
    +(pin 2) -----> Data 3
    +(pin 5) -----> Data 0
    +(pin 4) -----> Data 1
    +
    + The other pins (Power, Ground) are the same as for Multi joysticks using
    +db9.c
    +
    + Power sub might require a resistor, when you use analog controller with
    +external +5 volt power supply.
    +
    ++5V supply ------+------------> Power (saturn 9)
    + | Resistor
    + +--[10kOhm]--> Power sub (saturn 4)
    +
    + On a side note, if you have already built a different adapter for use with
    +DirectPadPro, this is also supported by the db9.c driver, as device type 11
    +and 12. Use 11 for a connector, or 12 for two connectors. Two connectors are
    +distinguished with its own Ground pins.
    +
    + +-------------------> Ground (pin 8 or pin 9)
    + | +-----------------> Data 2 (pin 12)
    + | | +---------------> Data 3 (pin 13)
    + | | | +-------------> Power sub (pin 4)
    + | | | | +-----------> Select 1 (pin 3)
    + | | | | | +---------> Select 0 (pin 2)
    + | | | | | | +-------> Data 0 (pin 11)
    + | | | | | | | +-----> Data 1 (pin 10)
    + | | | | | | | | +---> Power (pin 5)
    + | | | | | | | | |
    + /= = = = = = = = =\
    +| 1 2 3 4 5 6 7 8 9 |
    ++-------------------+

    3. The drivers
    ~~~~~~~~~~~~~~
    @@ -483,10 +514,12 @@
    3 | Genesis pad (3+1 buttons)
    5 | Genesis pad (5+1 buttons)
    6 | Genesis pad (6+2 buttons)
    - 7 | Saturn pad (8 buttons)
    + 7 | Saturn pad (9 buttons)
    8 | Multisystem 1-button joystick (v0.8.0.2 pin-out)
    9 | Two Multisystem 1-button joysticks (v0.8.0.2 pin-out)
    10 | Amiga CD32 pad
    + 11 | Saturn pad (DirectPadPro pin-out)
    + 12 | Two Saturn pads (DirectPadPro pin-out)

    Should you want to use more than one of these joysticks/pads at once, you
    can use db9_2 and db9_3 as additional command line parameters for two

    -
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