// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef MAME_MACHINE_LPC_RTC_H #define MAME_MACHINE_LPC_RTC_H #pragma once #include "lpc.h" class lpc_rtc_device : public lpc_device { public: lpc_rtc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void map_device(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space, uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override; virtual void map_extdevice(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space, uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space); protected: void device_start() override ATTR_COLD; void device_reset() override ATTR_COLD; private: void map(address_map &map) ATTR_COLD; void extmap(address_map &map) ATTR_COLD; uint8_t cur_index, cur_extindex; uint8_t ram[256]; uint8_t index_r(); void index_w(uint8_t data); uint8_t target_r(); void target_w(uint8_t data); uint8_t extindex_r(); void extindex_w(uint8_t data); uint8_t exttarget_r(); void exttarget_w(uint8_t data); }; DECLARE_DEVICE_TYPE(LPC_RTC, lpc_rtc_device) #endif // MAME_MACHINE_LPC_RTC_H