mirror of
https://github.com/holub/mame
synced 2025-07-05 18:08:04 +03:00
bus/epson_qx: Added YM2149-based sound card for the Epson QX-10. (#10400)
This commit is contained in:
Brian Johnson
GitHub
parent
eb5802b91b
commit
604d40c826
@ -3914,6 +3914,8 @@ if (BUSES["EPSON_QX"]~=null) then
|
||||
MAME_DIR .. "src/devices/bus/epson_qx/multifont.h",
|
||||
MAME_DIR .. "src/devices/bus/epson_qx/option.cpp",
|
||||
MAME_DIR .. "src/devices/bus/epson_qx/option.h",
|
||||
MAME_DIR .. "src/devices/bus/epson_qx/sound_card.cpp",
|
||||
MAME_DIR .. "src/devices/bus/epson_qx/sound_card.h",
|
||||
}
|
||||
end
|
||||
|
||||
|
||||
@ -11,6 +11,7 @@
|
||||
#include "cr1510.h"
|
||||
#include "ide.h"
|
||||
#include "multifont.h"
|
||||
#include "sound_card.h"
|
||||
|
||||
DEFINE_DEVICE_TYPE(EPSON_QX_OPTION_BUS_SLOT, bus::epson_qx::option_slot_device, "epson_qx_option_slot", "QX-10 Option slot")
|
||||
DEFINE_DEVICE_TYPE(EPSON_QX_OPTION_BUS, bus::epson_qx::option_bus_device, "epson_qx_option_bus", "QX-10 Option Bus")
|
||||
@ -212,6 +213,7 @@ void option_bus_devices(device_slot_interface &device)
|
||||
device.option_add("cr1510", EPSON_QX_OPTION_CR1510);
|
||||
device.option_add("ide", EPSON_QX_OPTION_IDE);
|
||||
device.option_add("multifont", EPSON_QX_OPTION_MULTIFONT);
|
||||
device.option_add("ym2149", EPSON_QX_OPTION_YM2149);
|
||||
}
|
||||
|
||||
} // namespace bus::epson_qx
|
||||
|
||||
125
src/devices/bus/epson_qx/sound_card.cpp
Normal file
125
src/devices/bus/epson_qx/sound_card.cpp
Normal file
@ -0,0 +1,125 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Brian Johnson
|
||||
/*******************************************************************
|
||||
*
|
||||
* YM2149 based sound card with header for an external MPU401
|
||||
*
|
||||
* Board Design: https://github.com/brijohn/qx10/tree/master/kicad/ym2149_sound_card
|
||||
*
|
||||
*******************************************************************/
|
||||
|
||||
#include "emu.h"
|
||||
#include "sound_card.h"
|
||||
|
||||
#include "speaker.h"
|
||||
|
||||
//**************************************************************************
|
||||
// YM2149 SOUND CARD DEVICE
|
||||
//**************************************************************************
|
||||
|
||||
DEFINE_DEVICE_TYPE(EPSON_QX_OPTION_YM2149, bus::epson_qx::ym2149_sound_card_device, "epson_qx_option_sound_card", "Epson QX-10 YM2149 Sound Card")
|
||||
|
||||
namespace bus::epson_qx {
|
||||
|
||||
static INPUT_PORTS_START( ym2149_sound_card )
|
||||
PORT_START("IOBASE")
|
||||
PORT_CONFNAME(0xf0, 0xc0, "IO Base Address Selection")
|
||||
PORT_CONFSETTING(0x80, "&80")
|
||||
PORT_CONFSETTING(0x90, "&90")
|
||||
PORT_CONFSETTING(0xa0, "&A0")
|
||||
PORT_CONFSETTING(0xb0, "&B0")
|
||||
PORT_CONFSETTING(0xc0, "&C0")
|
||||
PORT_CONFSETTING(0xd0, "&D0")
|
||||
PORT_CONFSETTING(0xe0, "&E0")
|
||||
PORT_CONFSETTING(0xf0, "&F0")
|
||||
PORT_START("IRQ")
|
||||
PORT_CONFNAME(0x03, 0x03, "MPU IRQ")
|
||||
PORT_CONFSETTING(0x00, "NONE")
|
||||
PORT_CONFSETTING(0x01, "INTH1")
|
||||
PORT_CONFSETTING(0x02, "INTH2")
|
||||
PORT_CONFSETTING(0x03, "INTL")
|
||||
INPUT_PORTS_END
|
||||
|
||||
//-------------------------------------------------
|
||||
// ym2149_sound_card_device - constructor
|
||||
//-------------------------------------------------
|
||||
ym2149_sound_card_device::ym2149_sound_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
|
||||
device_t(mconfig, EPSON_QX_OPTION_YM2149, tag, owner, clock),
|
||||
device_option_expansion_interface(mconfig, *this),
|
||||
m_mpu401(*this, "mpu401"),
|
||||
m_ssg(*this, "ym2149"),
|
||||
m_iobase(*this, "IOBASE"),
|
||||
m_irq(*this, "IRQ"),
|
||||
m_installed(false)
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_input_ports - device-specific ports
|
||||
//-------------------------------------------------
|
||||
ioport_constructor ym2149_sound_card_device::device_input_ports() const
|
||||
{
|
||||
return INPUT_PORTS_NAME( ym2149_sound_card );
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_add_mconfig - device-specific config
|
||||
//-------------------------------------------------
|
||||
void ym2149_sound_card_device::device_add_mconfig(machine_config &config)
|
||||
{
|
||||
MPU401(config, m_mpu401).irq_cb().set(FUNC(ym2149_sound_card_device::mpu_irq_out)).invert();
|
||||
SPEAKER(config, "speaker").front_center();
|
||||
YM2149(config, m_ssg, clock()).add_route(ALL_OUTPUTS, "speaker", 1.0);
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
void ym2149_sound_card_device::device_start()
|
||||
{
|
||||
m_installed = false;
|
||||
|
||||
save_item(NAME(m_installed));
|
||||
save_item(NAME(m_irqline));
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
void ym2149_sound_card_device::device_reset()
|
||||
{
|
||||
m_ssg->set_pin26_low_w();
|
||||
|
||||
m_irqline = m_irq->read() & 0x03;
|
||||
|
||||
if (!m_installed) {
|
||||
address_space &space = m_bus->iospace();
|
||||
offs_t iobase = m_iobase->read() & 0xf0;
|
||||
space.install_device(iobase, iobase+0x03, *this, &ym2149_sound_card_device::map);
|
||||
m_installed = true;
|
||||
}
|
||||
}
|
||||
|
||||
void ym2149_sound_card_device::map(address_map &map)
|
||||
{
|
||||
map(0x01, 0x01).r(m_ssg, FUNC(ym2149_device::data_r));
|
||||
map(0x00, 0x01).w(m_ssg, FUNC(ym2149_device::address_data_w));
|
||||
map(0x02, 0x03).rw(m_mpu401, FUNC(mpu401_device::mpu_r), FUNC(mpu401_device::mpu_w));
|
||||
}
|
||||
|
||||
WRITE_LINE_MEMBER(ym2149_sound_card_device::mpu_irq_out)
|
||||
{
|
||||
switch(m_irqline) {
|
||||
case 1:
|
||||
get_slot()->inth1_w(state);
|
||||
break;
|
||||
case 2:
|
||||
get_slot()->inth2_w(state);
|
||||
break;
|
||||
case 3:
|
||||
get_slot()->intl_w(state);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace bus::epson_qx
|
||||
61
src/devices/bus/epson_qx/sound_card.h
Normal file
61
src/devices/bus/epson_qx/sound_card.h
Normal file
@ -0,0 +1,61 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Brian Johnson
|
||||
/*******************************************************************
|
||||
*
|
||||
* YM2149 based sound card with header for an external MPU401
|
||||
*
|
||||
*******************************************************************/
|
||||
|
||||
#ifndef MAME_BUS_EPSON_QX_YM2149_H
|
||||
#define MAME_BUS_EPSON_QX_YM2149_H
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "option.h"
|
||||
|
||||
#include "machine/mpu401.h"
|
||||
#include "sound/ay8910.h"
|
||||
|
||||
namespace bus::epson_qx {
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
/* YM2149 Sound Card Device */
|
||||
|
||||
class ym2149_sound_card_device : public device_t, public device_option_expansion_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
ym2149_sound_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
// optional information overrides
|
||||
virtual void device_add_mconfig(machine_config &config) override;
|
||||
virtual ioport_constructor device_input_ports() const override;
|
||||
|
||||
void map(address_map &map);
|
||||
|
||||
private:
|
||||
uint8_t m_irqline;
|
||||
DECLARE_WRITE_LINE_MEMBER(mpu_irq_out);
|
||||
|
||||
required_device<mpu401_device> m_mpu401;
|
||||
required_device<ym2149_device> m_ssg;
|
||||
required_ioport m_iobase;
|
||||
required_ioport m_irq;
|
||||
bool m_installed;
|
||||
};
|
||||
|
||||
} // namespace bus::epson_qx
|
||||
|
||||
// device type definition
|
||||
DECLARE_DEVICE_TYPE_NS(EPSON_QX_OPTION_YM2149, bus::epson_qx, ym2149_sound_card_device)
|
||||
|
||||
|
||||
#endif // MAME_BUS_EPSON_QX_YM2149_H
|
||||
Loading…
Reference in New Issue
Block a user