43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#ifndef YMF262_HAL_HPP
|
|
#define YMF262_HAL_HPP
|
|
|
|
#include <cstdint>
|
|
|
|
template <class GPIOPolicy>
|
|
class YMF262_HAL{
|
|
private:
|
|
GPIOPolicy _gpio;
|
|
uint32_t _t_icw_ticks;
|
|
uint32_t _t_as_ticks;
|
|
uint32_t _t_ah_ticks;
|
|
uint32_t _t_csw_ticks;
|
|
uint32_t _t_csr_ticks;
|
|
uint32_t _t_ww_ticks;
|
|
uint32_t _t_wds_ticks;
|
|
uint32_t _t_wdh_ticks;
|
|
uint32_t _t_rw_ticks;
|
|
uint32_t _t_acc_ticks;
|
|
uint32_t _t_rdh_ticks;
|
|
uint32_t _t_recovery_ticks;
|
|
|
|
public:
|
|
|
|
|
|
YMF262_HAL(GPIOPolicy policy, uint32_t opl_clock, uint32_t cpu_clock){
|
|
_t_icw_ticks = (400 * cpu_clock) / opl_clock;
|
|
_t_recovery_ticks = (32 * cpu_clock) / opl_clock;
|
|
double ticks_per_ns = (double)cpu_clock / 1.0e9;
|
|
_t_as_ticks = (uint32_t)(10 * ticks_per_ns);
|
|
_t_ah_ticks = (uint32_t)(10 * ticks_per_ns);
|
|
_t_csw_ticks = (uint32_t)(100 * ticks_per_ns);
|
|
_t_ww_ticks = (uint32_t)(100 * ticks_per_ns);
|
|
_t_wds_ticks = (uint32_t)(10 * ticks_per_ns);
|
|
_t_wdh_ticks = (uint32_t)(20 * ticks_per_ns);
|
|
_t_csr_ticks = (uint32_t)(150 * ticks_per_ns);
|
|
_t_rw_ticks = (uint32_t)(150 * ticks_per_ns);
|
|
_t_acc_ticks = (uint32_t)(150 * ticks_per_ns);
|
|
_t_rdh_ticks = (uint32_t)(10 * ticks_per_ns);
|
|
};
|
|
};
|
|
|
|
#endif |