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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 "speaker.h"
/***************************************************************************
PARAMETERS
***************************************************************************/
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(A2BUS_SAM, a2bus_sam_device, "a2sam", "Don't Ask Software S.A.M.")
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
//-------------------------------------------------
// 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
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
a2bus_sam_device::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")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void a2bus_sam_device::device_start()
{
}
void a2bus_sam_device::device_reset()
{
}
void a2bus_sam_device::write_c0nx(uint8_t offset, uint8_t data)
{
m_dac->write(data);
}
bool a2bus_sam_device::take_c800()
{
return false;
}
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