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96d083a2c3
WARN: this is still a WIP and untested. Instead of nanosleep() the cpu thread now uses an adaptive spinloop. This better emulates the actual apple //e speed in preparation to do near-realtime audio. The drawback is that the cpu thread is pegged at 100% usage.
27 lines
505 B
C
27 lines
505 B
C
/*
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* Apple // emulator for Linux
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*
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* CPU Timing Support.
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*
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* Mostly this adds support for specifically throttling the emulator speed to
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* match a 1.02MHz Apple //e.
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*
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* Added 2013 by Aaron Culliney
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*
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*/
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#ifndef _TIMING_H_
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#define _TIMING_H_
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#define APPLE2_HZ 1020000
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#define NANOSECONDS 1000000000
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// 0 = run as fast as possible, 1 = approximate apple, X = 1/X rate
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void timing_set_cpu_scale(unsigned int scale);
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void timing_initialize();
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void timing_throttle();
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#endif // whole file
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