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Diffstat (limited to 'src/devices/machine/meters.h')
-rw-r--r-- | src/devices/machine/meters.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/devices/machine/meters.h b/src/devices/machine/meters.h new file mode 100644 index 00000000000..fd69152f0b7 --- /dev/null +++ b/src/devices/machine/meters.h @@ -0,0 +1,64 @@ +// license:BSD-3-Clause +// copyright-holders:James Wallace +/////////////////////////////////////////////////////////////////////////// +// // +// Electro mechanical meters // +// // +// 23-07-2004: Re-Animator // +// // +// // +/////////////////////////////////////////////////////////////////////////// + +#ifndef MAME_MACHINE_METERS_H +#define MAME_MACHINE_METERS_H + +#pragma once + + +#define MCFG_METERS_NUMBER(_number) \ + meters_device::static_set_number_meters(*device, _number); + +class meters_device : public device_t +{ +public: + static constexpr unsigned MAXMECHMETERS = 8; + + static constexpr double METERREACTTIME = 0.025; // number of seconds meter has to be active to tick + + meters_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + static void static_set_number_meters(device_t &device, int number) { downcast<meters_device &>(device).m_number_mtr = number; } + + int update(int id, int state); + int GetActivity(int id); + + int GetNumberMeters(void); // currently unused + void Setcount(int id, int32_t count); // currently unused + int32_t Getcount(int id); // currently unused + void ReactTime(int id, int32_t cycles); // currently unused + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + +private: + // internal state + struct meter_info + { + bool on; // Activity of reel + int32_t reacttime; + int32_t count; // mechmeter value + bool state; // state 0/1 + emu_timer *meter_timer; + }; + + meter_info m_meter_info[MAXMECHMETERS]; + + int m_number_mtr; +}; + +DECLARE_DEVICE_TYPE(METERS, meters_device) + +#endif // MAME_MACHINE_METERS_H |