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Diffstat (limited to 'src/devices/bus/bml3/rtc.h')
-rw-r--r-- | src/devices/bus/bml3/rtc.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/devices/bus/bml3/rtc.h b/src/devices/bus/bml3/rtc.h new file mode 100644 index 00000000000..cc29da7f920 --- /dev/null +++ b/src/devices/bus/bml3/rtc.h @@ -0,0 +1,54 @@ +// license:GPL-2.0+ +// copyright-holders:Russell Bull +/********************************************************************* + + rtc.h + + Hitachi RTC card for the MB-6890 + +*********************************************************************/ + +#ifndef MAME_BUS_BML3_RTC_H +#define MAME_BUS_BML3_RTC_H + +#pragma once + +#include "bml3bus.h" +#include "machine/msm5832.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class bml3bus_rtc_device: + public device_t, + public device_bml3bus_card_interface +{ +public: + // construction/destruction + bml3bus_rtc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + uint8_t read(offs_t offset); + void write(offs_t offset, uint8_t data); + +protected: + // device-level overrides + virtual void device_start() override ATTR_COLD; + + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + + virtual void map_io(address_space_installer &space) override; + +private: + required_device<msm5832_device> m_rtc; + + uint8_t m_addr_latch; + uint8_t m_data_latch; +}; + +// device type definition +DECLARE_DEVICE_TYPE(BML3BUS_RTC, bml3bus_rtc_device) + +#endif // MAME_BUS_BML3_RTC_H |