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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/***************************************************************************
Multitech Sound Generation Board
Piano : ADDR C200 GO
***************************************************************************/
#include "emu.h"
#include "sgb.h"
#include "sound/ay8910.h"
#include "speaker.h"
namespace {
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
ROM_START( mpf_sgb )
ROM_REGION(0x1000, "rom", 0)
ROM_LOAD("sgb-mpf.bin", 0x0000, 0x1000, CRC(2d51d964) SHA1(13f3c7243d691b66ad5f0dcbbc16488c8905a394))
ROM_END
//-------------------------------------------------
// mpf_sgb_device - constructor
//-------------------------------------------------
class mpf_sgb_device : public device_t, public device_mpf1_exp_interface
{
public:
mpf_sgb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, MPF_SGB, tag, owner, clock)
, device_mpf1_exp_interface(mconfig, *this)
, m_rom(*this, "rom")
, m_ay(*this, "ay8910")
{
}
protected:
virtual void device_add_mconfig(machine_config &config) override
{
SPEAKER(config, "mono").front_center();
AY8910(config, m_ay, DERIVED_CLOCK(1, 1)).add_route(ALL_OUTPUTS, "mono", 1.0);
}
virtual const tiny_rom_entry *device_rom_region() const override
{
return ROM_NAME( mpf_sgb );
}
virtual void device_start() override { }
virtual void device_reset() override
{
program_space().install_rom(0xc000, 0xcfff, m_rom->base());
io_space().install_read_handler(0xc1, 0xc1, emu::rw_delegate(*m_ay, FUNC(ay8910_device::data_r)));
io_space().install_write_handler(0xc2, 0xc3, emu::rw_delegate(*m_ay, FUNC(ay8910_device::data_address_w)));
}
private:
required_memory_region m_rom;
required_device<ay8910_device> m_ay;
};
} // anonymous namespace
DEFINE_DEVICE_TYPE_PRIVATE(MPF_SGB, device_mpf1_exp_interface, mpf_sgb_device, "mpf1_sgb", "Multitech SGB-MPF (Sound Generation Board)")
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