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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
a2sam.c
Implementation of the S.A.M. "Software Automated Mouth" card
*********************************************************************/
#include "emu.h"
#include "a2sam.h"
#include "sound/dac.h"
#include "speaker.h"
namespace {
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_sam_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_sam_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, A2BUS_SAM, tag, owner, clock),
device_a2bus_card_interface(mconfig, *this),
m_dac(*this, "dac")
{
}
protected:
virtual void device_start() override { }
virtual void device_reset() override { }
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
// overrides of standard a2bus slot functions
virtual void write_c0nx(uint8_t offset, uint8_t data) override { m_dac->write(data); }
virtual bool take_c800() override { return false; }
required_device<dac_byte_interface> m_dac;
};
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void a2bus_sam_device::device_add_mconfig(machine_config &config)
{
SPEAKER(config, "speaker").front_center();
DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // unknown DAC
}
} // anonymous namespace
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE_PRIVATE(A2BUS_SAM, device_a2bus_card_interface, a2bus_sam_device, "a2sam", "Don't Ask Software S.A.M.")
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