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r16490 Tuesday 29th May, 2012 at 09:50:38 UTC by Tafoid
Improved reel motor and optical alignment for reels as related to the layout interface.  [James Wallace]


Comment:
Made a significant change to how stepper motors operate in MAME - it is now possible to align a reel motor properly in the interface (namely by specifying what motor phase is active at 0). As a consequence, reverse spin should only be specified in layouts, and optical alignment should be much better.

As a note, Scorpion 4 has had its interface changed to one specifically for its reel type, it may be worth watching for regressions in their behaviour as a result. It looks like that particular reel type can move its opto tab around the circumference of the unit, so different interfaces may be needed.
[src/mame/drivers]bfm_sc4.c mpu3.c mpu4.c
[src/mame/layout]drwho.lay gamball.lay
[src/mame/machine]steppers.c steppers.h

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