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Diffstat (limited to 'src/devices/machine/spg290_timer.h')
-rw-r--r-- | src/devices/machine/spg290_timer.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/devices/machine/spg290_timer.h b/src/devices/machine/spg290_timer.h new file mode 100644 index 00000000000..1fd2cdccc4c --- /dev/null +++ b/src/devices/machine/spg290_timer.h @@ -0,0 +1,43 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco + + +#ifndef MAME_MACHINE_SPG290_TIMER_H +#define MAME_MACHINE_SPG290_TIMER_H + +#pragma once + +class spg290_timer_device : public device_t +{ +public: + spg290_timer_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + void write(offs_t offset, uint32_t data, uint32_t mem_mask); + uint32_t read(offs_t offset, uint32_t mem_mask); + void control_w(uint32_t data); + auto irq_cb() { return m_irq_cb.bind(); } + +protected: + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + virtual void device_clock_changed() override; + + TIMER_CALLBACK_MEMBER(timer_update); + +private: + devcb_write_line m_irq_cb; + + emu_timer *m_tick_timer; + + bool m_enabled; + uint16_t m_counter; + uint32_t m_control; + uint32_t m_control2; + uint32_t m_preload; + uint32_t m_ccp; + uint32_t m_upcount; +}; + +DECLARE_DEVICE_TYPE(SPG290_TIMER, spg290_timer_device) + +#endif // MAME_MACHINE_SPG290_TIMER_H |