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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
// Williams Pinball Controller Shift-based protection simulation
#ifndef MAME_MACHINE_WPC_SHIFT_H
#define MAME_MACHINE_WPC_SHIFT_H
class wpc_shift_device : public device_t
{
public:
wpc_shift_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~wpc_shift_device();
void registers(address_map &map);
protected:
virtual void device_start() override;
virtual void device_reset() override;
private:
uint16_t adr = 0;
uint8_t val1 = 0, val2 = 0;
uint8_t adrh_r();
void adrh_w(uint8_t data);
uint8_t adrl_r();
void adrl_w(uint8_t data);
uint8_t val1_r();
void val1_w(uint8_t data);
uint8_t val2_r();
void val2_w(uint8_t data);
};
DECLARE_DEVICE_TYPE(WPC_SHIFT, wpc_shift_device)
#endif // MAME_MACHINE_WPC_SHIFT_H
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