Difference between revisions of "Spinner Turn Count"
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'''Other_Notes''' = quantitative information relating to game play (like degrees of turn from one side of the screen to another - useful for potentiometer games like Warlords) | '''Other_Notes''' = quantitative information relating to game play (like degrees of turn from one side of the screen to another - useful for potentiometer games like Warlords) | ||
| − | + | {| class="wikitable" border=1 | |
| − | + | |- | |
| − | + | ! Game !! Effective_Tooth_Count !! Counts_Per_Revolution !! Other_Notes | |
| − | 720 degrees | + | |- |
| − | + | | 720 degrees || 72 || 144 || | |
| − | Ivan Ironman Offroad | + | |- |
| − | + | | Ivan Ironman Offroad || 154.286 || || Geared: 60 teeth on the steering wheel shaft, meshes with a 14 tooth gear on the encoder shaft, which has 36 teeth on its encoder wheel | |
| − | Disks of Tron | + | |- |
| − | + | | Disks of Tron || 128 || || | |
| − | Blasteroids | + | |- |
| − | + | | Blasteroids || 72 || || | |
| − | Tempest | + | |- |
| − | + | | Tempest || 72 || || 1 full turn moves 5 spaces on first screen | |
| − | Pole Position | + | |- |
| − | + | | Pole Position || 102 6/7 || || Geared: 60 tooth gear on wheel shaft, 14 tooth gear on 24 tooth encoder disk shaft => (60 / 14) * 24 = 102 6/7 | |
| − | Arkanoid | + | |- |
| − | + | | Arkanoid || 486 || || Geared: The knob attaches to shaft #1, which has a 72 tooth gear on it. That gear turns a 16 tooth gear on shaft #2. Shaft #2 also has a 72 tooth gear on it, which then turns a 16 tooth gear on shaft #3. Shaft #3 also has the encoder wheel on it, which has 24 teeth. 120-130 deg = one traversal across the screen | |
| − | RoadBlasters | + | |- |
| − | + | | RoadBlasters || 24 || || Limited Wheel/Yoke | |
| − | Warlords | + | |- |
| − | + | | Warlords || (n/a - pot) || (n/a - pot) || 120-130 deg one traversal end to end of castle | |
| − | Super Breakout | + | |- |
| − | + | | Super Breakout || || || 120-130 deg one traversal across the screen | |
| − | Turbo | + | |- |
| − | + | | Turbo || || || 2 1/2 turns to go across the screen | |
| − | Sprint | + | |- |
| − | + | | Sprint || || || 1/2 turn is 90 deg | |
| − | Super Sprint | + | |- |
| + | | Super Sprint || || || 360 deg turn of wheel moves about 170 deg | ||
| + | |- | ||
| + | |} | ||
Revision as of 22:54, 14 August 2008
Purpose
This is intended to be a page to keep track of the correct turns ratio of spinner/dial/paddle/trackball-controlled arcade games. Below is comma-separated text, hopefully this is a useful format.
Q: How do I use this information?
A: To tweak the analog sensitivity in MAME to better emulate real hardware.
An example from the first link below:
Tempest, 72 count
if the control you use has 1200 counts per turn, the sensitivity calculation is: Sensitivity = 100 * 72 / 1200 = 6%
Links (Recommended Reading)
http://forum.arcadecontrols.com/index.php?topic=61381.0
http://forum.arcadecontrols.com/index.php?topic=23967.0
http://forum.arcadecontrols.com/index.php?topic=42401.msg474159#msg474159
Data
Effective_Tooth_Count = teeth that pass through the optical sensor per revolution of the knob (multiply by any gear ratios to obtain)
Counts_Per_Revolution = could be 1x, 2x, or 4x of the Effective_Tooth_Count (depends on original hardware interpretation of optical sensor information)
Other_Notes = quantitative information relating to game play (like degrees of turn from one side of the screen to another - useful for potentiometer games like Warlords)
| Game | Effective_Tooth_Count | Counts_Per_Revolution | Other_Notes |
|---|---|---|---|
| 720 degrees | 72 | 144 | |
| Ivan Ironman Offroad | 154.286 | Geared: 60 teeth on the steering wheel shaft, meshes with a 14 tooth gear on the encoder shaft, which has 36 teeth on its encoder wheel | |
| Disks of Tron | 128 | ||
| Blasteroids | 72 | ||
| Tempest | 72 | 1 full turn moves 5 spaces on first screen | |
| Pole Position | 102 6/7 | Geared: 60 tooth gear on wheel shaft, 14 tooth gear on 24 tooth encoder disk shaft => (60 / 14) * 24 = 102 6/7 | |
| Arkanoid | 486 | Geared: The knob attaches to shaft #1, which has a 72 tooth gear on it. That gear turns a 16 tooth gear on shaft #2. Shaft #2 also has a 72 tooth gear on it, which then turns a 16 tooth gear on shaft #3. Shaft #3 also has the encoder wheel on it, which has 24 teeth. 120-130 deg = one traversal across the screen | |
| RoadBlasters | 24 | Limited Wheel/Yoke | |
| Warlords | (n/a - pot) | (n/a - pot) | 120-130 deg one traversal end to end of castle |
| Super Breakout | 120-130 deg one traversal across the screen | ||
| Turbo | 2 1/2 turns to go across the screen | ||
| Sprint | 1/2 turn is 90 deg | ||
| Super Sprint | 360 deg turn of wheel moves about 170 deg |
Trackball Games: Game Name, Notes
Crystal Castles, 1st screen BB moves length of line above his head from center of trackball moved to one side
Centipede, 1 trackball move 1 end to other (stock tb) 2 1/2 mushroom lengths
Missle Command 1 full end to end visible trackball movement goes from left to the right of the little bump after the missle base
