50 lines
699 B
C++
50 lines
699 B
C++
#ifndef TICKS_H
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#define TICKS_H
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#include <cstdint>
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#ifdef BUILD_SDL
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#else
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#include <dpmi.h>
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#endif
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class Timer {
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public:
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using Callback = void (*)();
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Timer();
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~Timer();
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void setFrequency(uint16_t freq);
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void setDivider(uint16_t div);
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Callback setCallback(Callback);
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[[nodiscard]] uint32_t getTicks() const;
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[[nodiscard]] uint16_t getFrequency() const;
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static Timer &instance();
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private:
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friend void timerISR();
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#ifdef BUILD_SDL
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#else
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_go32_dpmi_seginfo _oldIsr{}, _newIsr{};
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#endif
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uint32_t _ticks{0};
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uint32_t _elapsed{0};
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uint16_t _div{0};
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uint16_t _freq{0};
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void (*_callback)(){nullptr};
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void update();
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};
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#endif
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