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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/******************************************************************************
*
* Sony PlayStation 2 disc controller device skeleton
*
* To Do:
* Everything
*
*/
#ifndef MAME_MACHINE_IOPCDVD_H
#define MAME_MACHINE_IOPCDVD_H
#pragma once
#include "iopintc.h"
class iop_cdvd_device : public device_t
{
public:
template <typename T>
iop_cdvd_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&intc_tag)
: iop_cdvd_device(mconfig, tag, owner)
{
m_intc.set_tag(std::forward<T>(intc_tag));
}
iop_cdvd_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
virtual ~iop_cdvd_device() override;
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
protected:
virtual void device_start() override;
virtual void device_reset() override;
void handle_data_command(uint8_t data);
void data_fifo_push(uint8_t data);
uint8_t data_fifo_pop();
enum
{
CDVD_STATUS_IDLE = 0x40,
};
required_device<iop_intc_device> m_intc;
enum
{
CHAN_SERVO = 0,
CHAN_DATA = 1
};
struct drive_channel_t
{
uint8_t m_buffer[0x10]; // Buffer size is a total guess
uint8_t m_curr;
uint8_t m_end;
uint8_t m_status;
uint8_t m_command;
};
drive_channel_t m_channel[2];
static const size_t BUFFER_SIZE;
};
DECLARE_DEVICE_TYPE(SONYIOP_CDVD, iop_cdvd_device)
#endif // MAME_MACHINE_IOPCDVD_H
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