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-rw-r--r--src/devices/bus/centronics/covox.cpp127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/devices/bus/centronics/covox.cpp b/src/devices/bus/centronics/covox.cpp
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+++ b/src/devices/bus/centronics/covox.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Miodrag Milanovic
+/***************************************************************************
+
+ Covox Speech Thing
+
+***************************************************************************/
+
+#include "emu.h"
+#include "sound/dac.h"
+#include "covox.h"
+
+//**************************************************************************
+// COVOX DEVICE
+//**************************************************************************
+
+// device type definition
+const device_type CENTRONICS_COVOX = &device_creator<centronics_covox_device>;
+
+static MACHINE_CONFIG_FRAGMENT( covox )
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("dac", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+ IMPLEMENTATION
+***************************************************************************/
+//-------------------------------------------------
+// centronics_covox_device - constructor
+//-------------------------------------------------
+
+centronics_covox_device::centronics_covox_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, CENTRONICS_COVOX, "Covox Speech Thing", tag, owner, clock, "covox", __FILE__),
+ device_centronics_peripheral_interface( mconfig, *this ),
+ m_dac(*this, "dac"),
+ m_data(0)
+{
+}
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor centronics_covox_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( covox );
+}
+
+void centronics_covox_device::device_start()
+{
+ save_item(NAME(m_data));
+}
+
+void centronics_covox_device::update_dac()
+{
+ if (started())
+ m_dac->write_unsigned8(m_data);
+}
+
+//**************************************************************************
+// COVOX STEREO DEVICE
+//**************************************************************************
+
+// device type definition
+const device_type CENTRONICS_COVOX_STEREO = &device_creator<centronics_covox_stereo_device>;
+
+static MACHINE_CONFIG_FRAGMENT( covox_stereo )
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("dac_left", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
+
+ MCFG_SOUND_ADD("dac_right", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+ IMPLEMENTATION
+***************************************************************************/
+//-------------------------------------------------
+// centronics_covox_stereo_device - constructor
+//-------------------------------------------------
+
+centronics_covox_stereo_device::centronics_covox_stereo_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, CENTRONICS_COVOX_STEREO, "Covox (Stereo-in-1)", tag, owner, clock, "covox_stereo", __FILE__),
+ device_centronics_peripheral_interface( mconfig, *this ),
+ m_dac_left(*this, "dac_left"),
+ m_dac_right(*this, "dac_right"),
+ m_data(0)
+{
+}
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor centronics_covox_stereo_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( covox_stereo );
+}
+
+void centronics_covox_stereo_device::device_start()
+{
+ save_item(NAME(m_data));
+ save_item(NAME(m_strobe));
+ save_item(NAME(m_autofd));
+}
+
+void centronics_covox_stereo_device::update_dac()
+{
+ if (started())
+ {
+ if (m_strobe)
+ m_dac_left->write_unsigned8(m_data);
+
+ if (m_autofd)
+ m_dac_right->write_unsigned8(m_data);
+ }
+}