mirror of
https://github.com/holub/mame
synced 2025-05-23 22:20:01 +03:00
102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*********************************************************************
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a2echoii.c
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Implementation of the Street Electronics Echo II speech card
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*********************************************************************/
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#include "a2echoii.h"
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#include "includes/apple2.h"
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#include "sound/tms5220.h"
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/***************************************************************************
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PARAMETERS
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***************************************************************************/
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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const device_type A2BUS_ECHOII = &device_creator<a2bus_echoii_device>;
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#define TMS_TAG "tms5220"
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MACHINE_CONFIG_FRAGMENT( a2echoii )
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MCFG_SPEAKER_STANDARD_MONO("echoii")
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MCFG_SOUND_ADD(TMS_TAG, TMS5220, 720000)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "echoii", 1.0)
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MACHINE_CONFIG_END
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/***************************************************************************
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FUNCTION PROTOTYPES
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***************************************************************************/
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//-------------------------------------------------
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// machine_config_additions - device-specific
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// machine configurations
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//-------------------------------------------------
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machine_config_constructor a2bus_echoii_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( a2echoii );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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a2bus_echoii_device::a2bus_echoii_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
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device_t(mconfig, type, name, tag, owner, clock, shortname, source),
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device_a2bus_card_interface(mconfig, *this),
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m_tms(*this, TMS_TAG)
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{
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}
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a2bus_echoii_device::a2bus_echoii_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, A2BUS_ECHOII, "Street Electronics Echo II", tag, owner, clock, "a2echoii", __FILE__),
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device_a2bus_card_interface(mconfig, *this),
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m_tms(*this, TMS_TAG)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void a2bus_echoii_device::device_start()
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{
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// set_a2bus_device makes m_slot valid
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set_a2bus_device();
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}
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void a2bus_echoii_device::device_reset()
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{
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}
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UINT8 a2bus_echoii_device::read_c0nx(address_space &space, UINT8 offset)
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{
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switch (offset)
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{
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case 0:
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return 0x1f | tms5220_status_r(m_tms, space, 0);
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}
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return 0;
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}
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void a2bus_echoii_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
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{
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switch (offset)
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{
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case 0:
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tms5220_data_w(m_tms, space, offset, data);
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break;
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}
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}
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bool a2bus_echoii_device::take_c800()
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{
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return false;
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}
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