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Diffstat (limited to 'src/devices/bus/a2bus/nippelclock.h')
-rw-r--r-- | src/devices/bus/a2bus/nippelclock.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/nippelclock.h b/src/devices/bus/a2bus/nippelclock.h new file mode 100644 index 00000000000..d2ac6f14c7f --- /dev/null +++ b/src/devices/bus/a2bus/nippelclock.h @@ -0,0 +1,51 @@ +// license:BSD-3-Clause +// copyright-holders:Sergey Svishchev +/********************************************************************* + + nippelclock.h + + Implementation of the Nippel Clock card for Agat. + +*********************************************************************/ + +#ifndef MAME_BUS_A2BUS_A2NIPPELCLOCK_H +#define MAME_BUS_A2BUS_A2NIPPELCLOCK_H + +#pragma once + +#include "a2bus.h" +#include "machine/mc146818.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_nippelclock_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_nippelclock_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + a2bus_nippelclock_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + virtual void device_start() override; + virtual void device_reset() override; + virtual void device_add_mconfig(machine_config &config) override; + + // overrides of standard a2bus slot functions + virtual uint8_t read_c0nx(uint8_t offset) override; + virtual void write_c0nx(uint8_t offset, uint8_t data) override; + + required_device<mc146818_device> m_rtc; + +private: + DECLARE_WRITE_LINE_MEMBER(irq_w); +}; + +// device type definition +DECLARE_DEVICE_TYPE(A2BUS_NIPPELCLOCK, a2bus_nippelclock_device) + +#endif // MAME_BUS_A2BUS_A2NIPPELCLOCK_H |