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Inside Macintosh: Devices /
Chapter 6 - Power Manager / Power Manager Reference
Power Manager Dispatch Routines / Controlling the Processor


You can use the IsProcessorCyclingEnabled function to find out whether processor cycling is enabled.

Boolean IsProcessorCyclingEnabled();
The IsProcessorCyclingEnabled function returns a Boolean value of true if processor cycling is currently enabled, or false if it is disabled.

The trap is _PowerMgrDispatch ($A09E). The selector value for IsProcessorCyclingEnabled is 24 ($18) in the low word of register D0. The Boolean result is returned in register D0.

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© Apple Computer, Inc.
3 JUL 1996