4d1a9fc2d3
* frame-synchronized autofire, per-button rates, custom rates via mister.ini * frame timer using core frame counter, fallback to timerfd * improved button reference counting (previously limited to 2)
19 lines
620 B
C
19 lines
620 B
C
#ifndef FRAME_TIMER_H
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#define FRAME_TIMER_H
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#include <stdint.h>
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// macro to tell if a new vertical refresh has happened since the last time we checked
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// requires a local uint64_t to track frame counter
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#define FRAME_TICK(last) \
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((global_frame_counter != (last)) ? ((last) = global_frame_counter, 1) : 0)
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void frame_timer();
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// global
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extern uint64_t global_frame_counter; // used by FRAME_TICK()
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extern bool fpga_vsync_timer; // does this core expose the frame counter directly?
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// exposed globally in case timerfd isn't accurate enough for some use cases
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#endif
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