33 lines
1.2 KiB
C++
33 lines
1.2 KiB
C++
#include "YMF262-HAL.hpp"
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#include <cstdint>
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class YMF262_HAL{
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private:
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uint_32_t _t_icw_ticks;
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uint_32_t _t_as_ticks;
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uint_32_t _t_ah_ticks;
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uint_32_t _t_csw_ticks;
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uint_32_t _t_csr_ticks;
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uint_32_t _t_ww_ticks;
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uint_32_t _t_wds_ticks;
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uint_32_t _t_wdh_ticks;
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uint_32_t _t_rw_ticks;
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uint_32_t _t_acc_ticks;
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uint_32_t _t_rdh__ticks;
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uint_32_t _t_recovery_ticks;
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YMF262_HAL(uint_32_t opl_clock, uint_32_t cpu_clock){
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_t_icw_ticks = (400 * cpu_clock) / opl_clock;
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_t_recovery_ticks = (32 * cpu_clock) / opl_clock;
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double ticks_per_ns = (double)cpu_clock / 1.0e9;
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_t_as_ticks = (uint32_t)(10 * ticks_per_ns);
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_t_ah_ticks = (uint32_t)(10 * ticks_per_ns);
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_t_csw_ticks = (uint32_t)(100 * ticks_per_ns);
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_t_ww_ticks = (uint32_t)(100 * ticks_per_ns);
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_t_wds_ticks = (uint32_t)(10 * ticks_per_ns);
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_t_wdh_ticks = (uint32_t)(20 * ticks_per_ns);
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_t_csr_ticks = (uint32_t)(150 * ticks_per_ns);
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_t_rw_ticks = (uint32_t)(150 * ticks_per_ns);
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_t_acc_ticks = (uint32_t)(150 * ticks_per_ns);
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_t_rdh__ticks = (uint32_t)(10 * ticks_per_ns);
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} |