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path: root/src/devices/bus/isa/mpu401.cpp
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// license:BSD-3-Clause
// copyright-holders:R. Belmont,Kevin Horton
/***************************************************************************

    MPU-401 MIDI device interface

    TODO:
    - skeleton, doesn't do anything

***************************************************************************/

#include "emu.h"
#include "mpu401.h"
#include "machine/pic8259.h"

#define MPU_CORE_TAG "mpu401"


/*
DIP-SWs
1-2-3-4
         0x200
      1  0x210
    1    0x220
...
1   1 1  0x330 (default)
...
1 1 1 1  0x370

5-6-7-8
1        irq2 (default)
  1      irq3
    1    irq5
      1  irq7
*/

WRITE_LINE_MEMBER( isa8_mpu401_device::mpu_irq_out )
{
}

//**************************************************************************
//  GLOBAL VARIABLES
//**************************************************************************

DEFINE_DEVICE_TYPE(ISA8_MPU401, isa8_mpu401_device, "isa_mpu401", "Roland MPU-401 MIDI Interface (ISA)")

//-------------------------------------------------
//  device_add_mconfig - add device configuration
//-------------------------------------------------

void isa8_mpu401_device::device_add_mconfig(machine_config &config)
{
	MPU401(config, m_mpu401).irq_cb().set(FUNC(isa8_mpu401_device::mpu_irq_out));
}


//**************************************************************************
//  LIVE DEVICE
//**************************************************************************

//-------------------------------------------------
//  isa8_adlib_device - constructor
//-------------------------------------------------

isa8_mpu401_device::isa8_mpu401_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
	: device_t(mconfig, ISA8_MPU401, tag, owner, clock)
	, device_isa8_card_interface(mconfig, *this)
	, m_mpu401(*this, MPU_CORE_TAG)
{
}

//-------------------------------------------------
//  device_start - device-specific startup
//-------------------------------------------------

void isa8_mpu401_device::device_start()
{
	set_isa_device();

	m_isa->install_device(0x330, 0x0331, read8sm_delegate(*m_mpu401, FUNC(mpu401_device::mpu_r)), write8sm_delegate(*m_mpu401, FUNC(mpu401_device::mpu_w)));
}

//-------------------------------------------------
//  device_reset - device-specific reset
//-------------------------------------------------

void isa8_mpu401_device::device_reset()
{
}