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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Wild Vision/Computer Concepts Eagle M2
http://chrisacorns.computinghistory.org.uk/32bit_UpgradesA2G/CC_Eagle.html
Main components:
- Am7202A x 2 High Density First-In First-Out
- M514221B x 4
- SAA7191B Digital Multistandard ColourDecoder
- SAA7186 Digital video scaler
- SAA7197 Clock Generator Circuit
- TDA8708B Video analog input interface
- TDA8709A Video analog input interface
- YMZ263B Multimedia Audio & Game Interface Controller
TODO:
- everything, it's complex and not documented.
**********************************************************************/
#include "emu.h"
#include "eaglem2.h"
#include "machine/7200fifo.h"
#include "machine/saa7191.h"
#include "bus/midi/midi.h"
#include "imagedev/avivideo.h"
#include "speaker.h"
namespace {
class arc_eaglem2_device :
public device_t,
public device_archimedes_podule_interface
{
public:
// construction/destruction
arc_eaglem2_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
static constexpr feature_type unemulated_features() { return feature::CAPTURE | feature::SOUND; }
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 const tiny_rom_entry *device_rom_region() const override;
// device_archimedes_podule_interface overrides
virtual void ioc_map(address_map &map) override;
private:
required_memory_region m_podule_rom;
required_device<saa7191_device> m_dmsd;
required_device<idt7202_device> m_fifo_in;
required_device<idt7202_device> m_fifo_out;
required_device<avivideo_image_device> m_avivideo;
u8 m_rom_page;
};
void arc_eaglem2_device::ioc_map(address_map &map)
{
map(0x0000, 0x1fff).lr8(NAME([this](offs_t offset) { return m_podule_rom->base()[offset | ((m_rom_page << 11) & 0x1f800)]; })).umask32(0x000000ff);
map(0x2000, 0x2000).lw8(NAME([this](u8 data) { m_rom_page = data; }));
}
//-------------------------------------------------
// ROM( eagle )
//-------------------------------------------------
ROM_START( eagle )
ROM_REGION(0x20000, "podule_rom", 0)
ROM_LOAD("eagle.rom", 0x0000, 0x20000, CRC(9d9fa2e9) SHA1(b3633b8e1d58f59f5894d14a737c69b6d9d5d46d))
ROM_END
const tiny_rom_entry *arc_eaglem2_device::device_rom_region() const
{
return ROM_NAME( eagle );
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void arc_eaglem2_device::device_add_mconfig(machine_config &config)
{
SAA7191(config, m_dmsd);
IDT7202(config, m_fifo_in); // AM7202A
IDT7202(config, m_fifo_out); // AM7202A
IMAGE_AVIVIDEO(config, m_avivideo);
midi_port_device &mdin(MIDI_PORT(config, "mdin", midiin_slot, "midiin"));
mdin.rxd_handler().set("mdthru", FUNC(midi_port_device::write_txd));
midiout_slot(MIDI_PORT(config, "mdout"));
midiout_slot(MIDI_PORT(config, "mdthru"));
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// arc_eaglem2_device - constructor
//-------------------------------------------------
arc_eaglem2_device::arc_eaglem2_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock)
: device_t(mconfig, ARC_EAGLEM2, tag, owner, clock)
, device_archimedes_podule_interface(mconfig, *this)
, m_podule_rom(*this, "podule_rom")
, m_dmsd(*this, "dmsd")
, m_fifo_in(*this, "fifo_in")
, m_fifo_out(*this, "fifo_out")
, m_avivideo(*this, "srcavi")
, m_rom_page(0)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void arc_eaglem2_device::device_start()
{
save_item(NAME(m_rom_page));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void arc_eaglem2_device::device_reset()
{
m_rom_page = 0x00;
}
} // anonymous namespace
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE_PRIVATE(ARC_EAGLEM2, device_archimedes_podule_interface, arc_eaglem2_device, "arc_eaglem2", "Wild Vision/Computer Concepts Eagle M2")
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