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twipley
Green Marine


Posts: 32
Registered: 01-11


I have always played Doom using the keyboard, as I think it is offering a greater challenge this way. However, I am now configuring a gamepad in order to play it that way. Weapon cycling is made through the shoulder buttons. For the rest (fire, use, strafe, and run), just for fun I have been seeking default controls, so as to be playing the way developers intended it in the manual.

key mappings from the manual: i.imgur.com/xaVBScg.png;
"If you are using a joystick, use button 1 to shoot and button 2 to open doors and activate switches. Gravis PC Gamepads have a third and fourth button. These can be used as a Strafe and a Run button, respectively." (1 to fire; 2 to use; 3 to strafe; and 4 to run.)

However, it has revealed itself kind of hard to know which is button 1, button 2, and so on. I cannot just assume button 1 for Doom developers to be button 1 for Logitech developers (my gamepad being http://www.amazon.com/Logitech-9633.../dp/B00030AX3Q/). Indeed, there seems to be no industry standard in the definition of internal button orders.

I have stumbled upon different links, driving hypotheses in the regard of determining intended mappings:

1) http://www.epanorama.net/documents/....html#gravispad -- 1 for left; 2 for up; 3 for down; and 4 for right; which was the popular PC gamepad back in the days of Doom development; however, I am not sure of the posted internal button order; it would have to be tested by someone who has access to that device;

2) http://pineight.com/mw/index.php?ti...GamePad_Pro_USB -- if Gravis has kept the same button order for the USB version of this gamepad which was made like five years later (which I reasonably doubt), then the original Gravis-gamepad button order would be 1 for left; 2 for down; 3 for right; and 4 for up;

3) if the manual took in mind the button order of the snes, which was in vogue back then, then the a, b, x, and y buttons would translate to 1 for right; 2 for down; 3 for up; and 4 for left;

-- resulting control schemes would be:

gravis: left to fire; up to use; down to strafe; and right to run;
usb-gravis: left to fire; down to use; right to strafe; and up to run;
nintendo-snes: right to fire; down to use; up to strafe; and left to run;

In summary, additional info and research would be needed to determine the very mapping the original manual referred to.

EDIT: I have performed some more research on this matter. I have stumbled on a list of games which came out with support for the Gravis gamepad (http://www.mobygames.com/attribute/...,200/p,2/so,1d/). I have then tried to download the manuals for those games.

Only one result came out as pertinent: http://www.abandonia.com/files/extr...ame_extra_1.pdf (Mortal Kombat User Guide) -- which mapped button A to red, B to blue, C to yellow, and D to green.

Add this to both of those links:
http://en.wikipedia.org/wiki/File:Gravis_pc_gamepad.jpg
http://www.emulation64.com/guides/7/3/

Button 1 - Lynx Button B (Gravis Gamepad - Red Button)
Button 2 - Lynx Button A (Gravis Gamepad - Blue Button)
Button 3 - Lynx Option 1 (Gravis Gamepad - Yellow Button)
Button 4 - Lynx Option 2 (Gravis Gamepad - Green Button)

and "perhaps" then, judging from the small evidence weight, the intended control scheme is "left to fire; up to use; down to strafe; and right to run."

EDIT2: It would still be relevant to receive confirmation, either from someone who could test this original gamepad at home, or who has access to its manual and could scan the relevant part for us to archive.

EDIT3: from the Gravis PC Gamepad SDK:
code:
_____ || ---------------------------------------------- | \____||________ X-Axis Joystick A, X-Axis | __ GRAVIS \ Y-Axis Joystick A, Y-Axis | / \ GamePad B | Button A Joystick A, Button #1A | \__/ A C| Button B Joystick A, Button #2A |______________ D | Button D Joystick B, Button #1B \_____| Button C Joystick B, Button #2B

which means:
code:
_____ || ---------------------------------------------- | \____||________ X-Axis Joystick A, X-Axis | __ GRAVIS \ Y-Axis Joystick A, Y-Axis | / \ GamePad 2 | Button 1 Joystick A, Button #1A | \__/ 1 4| Button 2 Joystick A, Button #2A |______________ 3 | Button 3 Joystick B, Button #1B \_____| Button 4 Joystick B, Button #2B

so, the second set of buttons in the doom manual would have been referring to the "joystick b" pair of buttons;

tl;dr: the intended control scheme might be "left to fire; up to use; down to strafe; and right to run."

Last edited by twipley on 01-07-14 at 15:36

Old Post 01-06-14 17:17 #
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fraggle
Filled with the code of Doom


Posts: 7965
Registered: 07-00



twipley said:

1) http://www.epanorama.net/documents/....html#gravispad -- 1 for left; 2 for up; 3 for down; and 4 for right; which was the popular PC gamepad back in the days of Doom development; however, I am not sure of the posted internal button order; it would have to be tested by someone who has access to that device;


I'm committing a minor faux-pas by bumping an old thread, but I just bought a Gravis Gamepad on eBay and this appears to be the correct ordering. Tested using one of the "Super Joy Box 7" devices listed on this page.

With the default Doom joystick button bindings, this gives:
code:
Strafe Fire Use Speed

Which makes for a pretty nice layout (you want to be able to run around a lot but also want your finger on the trigger). I think Doom's defaults have been chosen with the Gravis Gamepad in mind.

Chocolate Doom now supports auto-configuration for a selection of known gamepads, and for "authenticity", I've used a similar layout as the default when auto-configuring a detected device.

Old Post 04-14-15 02:01 #
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Maes
Why don't I have a custom title by now?!


Posts: 13347
Registered: 07-06


I do not remember if Doom supported any advanced joysticks back in the day -beyond the Gravis Gamepad. There was no USB back then, and the PC's gameport had a hard limit of 4 buttons, and those joysticks that allowed for more (mostly Microsoft Sidewinder and specialist joysticks for flight sims and the such) used either the RS-232, Parallel port or the gameport with a special driver and signal encoding.

Oh and ofc, no mixed digital/analog controls back then ;-)

Old Post 04-14-15 13:09 #
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Doomkid
Senior Member


Posts: 1992
Registered: 06-08



Maes said:
[...] joysticks that allowed for more (mostly Microsoft Sidewinder and specialist joysticks for flight sims and the such) used either the RS-232, Parallel port or the gameport with a special driver and signal encoding.

I must have had one of those, I remember clearly being a really young kid and my dad bringing home a flight joystick and us using it to play Doom, probably on Windows 3.1 or maybe Win95. Good memories!

Despite the SNES version of Doom being pretty unplayable, the control scheme it uses is excellent considering the amount of buttons availible. It looks like the Gravis pad didn't have shoulder buttons, which is a shame.

Old Post 04-16-15 09:16 #
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Sodaholic
I feel justified yet disgusted with myself at the same time


Posts: 3300
Registered: 04-07


It may or may not be the same button layout as the original Gravis Gamepad, but I remember the USB Gravis Gamepad Pro started with 1 as the leftmost button, and incremented counter-clockwise where the top button was 4.

Old Post 04-16-15 09:38 #
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fraggle
Filled with the code of Doom


Posts: 7965
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Doomkid said:

Despite the SNES version of Doom being pretty unplayable, the control scheme it uses is excellent considering the amount of buttons availible. It looks like the Gravis pad didn't have shoulder buttons, which is a shame.


Nope, just the four buttons. It was pretty limited by the PC gameport standard which was designed for two two-button joysticks, though a lot of controllers used both in tandem so that you could get four buttons. As Wikipedia says, the later Gravis Gamepad Pro did have shoulder buttons, though that was only through making use of some kind of clever signalling techniques that didn't work on every machine, and I doubt many games supported it.

Old Post 04-16-15 10:18 #
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david_a


Posts: 1400
Registered: 09-02


I didn't know about the 4-button limitation. I had a Gravis Gamepad and tried playing Doom with it, but the lack of buttons for weapon switching was horrible and made it nearly unusable. Using a CH Flightstick was honestly better, since with two buttons you had to keep another hand on the keyboard anyway.

Old Post 04-16-15 15:58 #
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fraggle
Filled with the code of Doom


Posts: 7965
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Yeah, something like the configuration on the SNES gamepad is the minimum set of buttons needed to play Doom, I think. You need at least one button to switch weapons, and a pair of shoulder buttons to strafe with (having a "strafe button" sucks).

That said, after trying the Gravis Gamepad for the first time, I do find it pretty nice. I like the overall design - reversible for left-handed people, optional screw-in joystick and rapid-fire switch that lets you make use of the extra buttons in games that only support two buttons. Ultimately it's limited by the gameport interface, but they were pretty creative within those limitations.

Old Post 04-16-15 16:30 #
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