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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/***************************************************************************
Sharp Scoop peripheral chip emulation skeleton
***************************************************************************/
#ifndef MAME_MACHINE_SCOOP
#define MAME_MACHINE_SCOOP
#pragma once
class scoop_device : public device_t
{
public:
scoop_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
template <unsigned Line> auto gpio_out() { return m_gpio_out[Line].bind(); }
template <unsigned Line> void gpio_in(int state) { gpio_in((uint16_t)Line, state); }
uint32_t read(offs_t offset);
void write(offs_t offset, uint32_t data);
protected:
virtual void device_start() override;
virtual void device_reset() override;
void gpio_in(const uint16_t line, const int state);
void update_gpio_direction(const uint16_t old_dir);
void update_gpio_outputs(const uint16_t old_latch, const uint16_t changed);
uint16_t m_gpwr;
uint16_t m_gpio_in_latch;
uint16_t m_gpcr;
devcb_write_line::array<13> m_gpio_out;
};
DECLARE_DEVICE_TYPE(SCOOP, scoop_device)
#endif // MAME_MACHINE_SCOOP
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