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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/******************************************************************************
*
* Sony PlayStation 2 memory card device skeleton
*
* To Do:
* Everything
*
*/
#ifndef MAME_MACHINE_PS2MC_H
#define MAME_MACHINE_PS2MC_H
#pragma once
class ps2_mc_device : public device_t
{
public:
ps2_mc_device(const machine_config &mconfig, const char *tag, device_t *owner)
: ps2_mc_device(mconfig, tag, owner, (uint32_t)0)
{
}
ps2_mc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~ps2_mc_device() override;
void recv_fifo_push(uint8_t data); // TODO: Turn me into a bus interface!
uint8_t xmit_fifo_pop();
uint8_t xmit_fifo_depth() const { return m_end_xmit - m_curr_xmit; }
void process_fifos();
uint8_t status() const { return m_status; }
static const uint8_t SIO_DEVICE_ID = 0x81;
protected:
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
void xmit_fifo_push(uint8_t data);
uint8_t recv_fifo_pop();
uint8_t recv_fifo_depth() const { return m_end_recv - m_curr_recv; }
void process_command(uint8_t data);
void cmd_init();
void cmd_get_term();
enum : uint8_t
{
CMD_INIT = 0x11,
CMD_GET_TERM = 0x28,
CMD_UNKNOWN_F3 = 0xf3,
};
uint8_t m_recv_buf[512]; // Buffer size is a guess
uint8_t m_xmit_buf[512];
uint32_t m_curr_recv;
uint32_t m_curr_xmit;
uint32_t m_end_recv;
uint32_t m_end_xmit;
uint8_t m_cmd;
uint32_t m_cmd_size;
uint8_t m_terminator;
uint8_t m_status;
static const size_t BUFFER_SIZE;
static const uint8_t DEFAULT_TERMINATOR;
};
DECLARE_DEVICE_TYPE(SONYPS2_MC, ps2_mc_device)
#endif // MAME_MACHINE_PS2MC_H
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