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Building a Star wars yoke from scratch
Minwah:
--- Quote from: Tiger-Heli on March 23, 2004, 04:27:00 pm ---The pedals are all dual axis (one pot per pedal).
--- End quote ---
How did you figure this out? I noticed while poking around in the MAME source that the analog pedal code is based on a dual axis system...but knowing MAME it isn't usually very accurate on inputs. Just wondered if the original was actually dual axis (I should look at a wiring diagram I guess...)
patrickl:
--- Quote from: Minwah on March 25, 2004, 05:03:24 am ---
--- Quote from: Tiger-Heli on March 23, 2004, 04:27:00 pm ---The pedals are all dual axis (one pot per pedal).
--- End quote ---
How did you figure this out? I noticed while poking around in the MAME source that the analog pedal code is based on a dual axis system...but knowing MAME it isn't usually very accurate on inputs. Just wondered if the original was actually dual axis (I should look at a wiring diagram I guess...)
--- End quote ---
That was about Out Run and you can see it in the ownersmanual on KLOV (in the disassembly of the brake/accelerator unit page).
Tiger-Heli:
--- Quote from: Minwah on March 25, 2004, 05:03:24 am ---
--- Quote from: Tiger-Heli on March 23, 2004, 04:27:00 pm ---The pedals are all dual axis (one pot per pedal).
--- End quote ---
How did you figure this out? I noticed while poking around in the MAME source that the analog pedal code is based on a dual axis system...but knowing MAME it isn't usually very accurate on inputs. Just wondered if the original was actually dual axis (I should look at a wiring diagram I guess...)
--- End quote ---
This is about OutRun, actually, I misspoke, but you can tell from the way MAME is set-up that it it dual axis.
I based my statement on the KLOV write-up that shows separated pots for the brake and gas, but these COULD be wired in a single axis config. My current racing pedals are set up this way - two pots, but single axis.
However, in MAME, (I think the Brakes are P1B2), if I map P1B2 to L Alt, I get brake lights (on the screen). If I map P2B2 to J1 X-Axis -, my brake pedal works, but no brake lights. This tells me the actual game is looking for an input from the brake pedal, either a switch/button or a separate pot, and since the assembly breakdown shows two pots in the pedal assembly . . .
Minwah:
--- Quote from: Tiger-Heli on March 25, 2004, 07:01:05 am ---This is about OutRun, actually, I misspoke, but you can tell from the way MAME is set-up that it it dual axis.
I based my statement on the KLOV write-up that shows separated pots for the brake and gas, but these COULD be wired in a single axis config. My current racing pedals are set up this way - two pots, but single axis.
However, in MAME, (I think the Brakes are P1B2), if I map P1B2 to L Alt, I get brake lights (on the screen). If I map P2B2 to J1 X-Axis -, my brake pedal works, but no brake lights. This tells me the actual game is looking for an input from the brake pedal, either a switch/button or a separate pot, and since the assembly breakdown shows two pots in the pedal assembly . . .
--- End quote ---
Cool, I just wondered if you'd assumed 2 pots or MAME's input method was arcade acurate...your last description is very helpful tho, I hadn't thought of the brake light & separate switch/pot before, thanks :)
Tiger-Heli:
--- Quote from: Minwah on March 25, 2004, 10:10:47 am ---
--- Quote from: Tiger-Heli on March 25, 2004, 07:01:05 am ---This is about OutRun, actually, I misspoke, but you can tell from the way MAME is set-up that it it dual axis.
I based my statement on the KLOV write-up that shows separated pots for the brake and gas, but these COULD be wired in a single axis config. My current racing pedals are set up this way - two pots, but single axis.
However, in MAME, (I think the Brakes are P1B2), if I map P1B2 to L Alt, I get brake lights (on the screen). If I map P2B2 to J1 X-Axis -, my brake pedal works, but no brake lights. This tells me the actual game is looking for an input from the brake pedal, either a switch/button or a separate pot, and since the assembly breakdown shows two pots in the pedal assembly . . .
--- End quote ---
Cool, I just wondered if you'd assumed 2 pots or MAME's input method was arcade acurate...your last description is very helpful tho, I hadn't thought of the brake light & separate switch/pot before, thanks :)
--- End quote ---
I just posted in the software thread that R37B16 was the last working System 16 build, FWIW!
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