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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/******************************************************************************
*
* Sony PlayStation 2 SIF device skeleton
*
* To Do:
* Everything
*
*/
#ifndef MAME_MACHINE_PS2SIF_H
#define MAME_MACHINE_PS2SIF_H
#pragma once
#include "ps2intc.h"
class ps2_sif_device : public device_t
{
public:
template <typename T>
ps2_sif_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&intc_tag)
: ps2_sif_device(mconfig, tag, owner)
{
m_intc.set_tag(std::forward<T>(intc_tag));
}
ps2_sif_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
virtual ~ps2_sif_device() override;
uint32_t ee_r(offs_t offset, uint32_t mem_mask = ~0);
void ee_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t iop_r(offs_t offset, uint32_t mem_mask = ~0);
void iop_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint32_t fifo_depth(uint32_t channel);
void fifo_push(uint32_t channel, uint32_t value);
uint32_t fifo_pop(uint32_t channel);
static const size_t MAX_FIFO_DEPTH;
protected:
virtual void device_start() override;
virtual void device_reset() override;
required_device<ps2_intc_device> m_intc;
uint32_t m_ms_mailbox;
uint32_t m_sm_mailbox;
uint32_t m_ms_flag;
uint32_t m_sm_flag;
uint32_t m_ctrl;
std::unique_ptr<uint32_t[]> m_fifo[2];
uint32_t m_fifo_curr[2];
};
DECLARE_DEVICE_TYPE(SONYPS2_SIF, ps2_sif_device)
#endif // MAME_MACHINE_PS2SIF_H
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