/********************************************************************* a2echoii.c Implementation of the Street Electronics Echo II speech card *********************************************************************/ #include "a2echoii.h" #include "includes/apple2.h" #include "sound/tms5220.h" /*************************************************************************** PARAMETERS ***************************************************************************/ //************************************************************************** // GLOBAL VARIABLES //************************************************************************** const device_type A2BUS_ECHOII = &device_creator; #define TMS_TAG "tms5220" MACHINE_CONFIG_FRAGMENT( a2echoii ) MCFG_SPEAKER_STANDARD_MONO("echoii") MCFG_SOUND_ADD(TMS_TAG, TMS5220, 720000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "echoii", 1.0) MACHINE_CONFIG_END /*************************************************************************** FUNCTION PROTOTYPES ***************************************************************************/ //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor a2bus_echoii_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( a2echoii ); } //************************************************************************** // LIVE DEVICE //************************************************************************** a2bus_echoii_device::a2bus_echoii_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, type, name, tag, owner, clock), device_a2bus_card_interface(mconfig, *this), m_tms(*this, TMS_TAG) { m_shortname = "a2echoii"; } a2bus_echoii_device::a2bus_echoii_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, A2BUS_ECHOII, "Street Electronics Echo II", tag, owner, clock), device_a2bus_card_interface(mconfig, *this), m_tms(*this, TMS_TAG) { m_shortname = "a2echoii"; } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void a2bus_echoii_device::device_start() { // set_a2bus_device makes m_slot valid set_a2bus_device(); } void a2bus_echoii_device::device_reset() { } UINT8 a2bus_echoii_device::read_c0nx(address_space &space, UINT8 offset) { switch (offset) { case 0: return 0x1f | tms5220_status_r(m_tms, space, 0); } return 0; } void a2bus_echoii_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data) { switch (offset) { case 0: tms5220_data_w(m_tms, space, offset, data); break; } } bool a2bus_echoii_device::take_c800() { return false; }