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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
// Williams Pinball Controller Shift-based protection simulation
#ifndef WPC_SHIFT_H
#define WPC_SHIFT_H
#define MCFG_WPC_SHIFT_ADD( _tag ) \
MCFG_DEVICE_ADD( _tag, WPC_SHIFT, 0 )
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();
DECLARE_ADDRESS_MAP(registers, 8);
DECLARE_READ8_MEMBER(adrh_r);
DECLARE_WRITE8_MEMBER(adrh_w);
DECLARE_READ8_MEMBER(adrl_r);
DECLARE_WRITE8_MEMBER(adrl_w);
DECLARE_READ8_MEMBER(val1_r);
DECLARE_WRITE8_MEMBER(val1_w);
DECLARE_READ8_MEMBER(val2_r);
DECLARE_WRITE8_MEMBER(val2_w);
protected:
uint16_t adr;
uint8_t val1, val2;
virtual void device_start() override;
virtual void device_reset() override;
};
extern const device_type WPC_SHIFT;
#endif
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