/********************************************************************** Commodore Magic Voice cartridge emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "c64_magic_voice.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define T6721A_TAG "u5" #define MOS6525_TAG "u2" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type C64_MAGIC_VOICE = &device_creator; //------------------------------------------------- // tpi6525_interface tpi_intf //------------------------------------------------- static const tpi6525_interface tpi_intf = { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; //------------------------------------------------- // MACHINE_CONFIG_FRAGMENT( c64_magic_voice ) //------------------------------------------------- static MACHINE_CONFIG_FRAGMENT( c64_magic_voice ) MCFG_TPI6525_ADD(MOS6525_TAG, tpi_intf) MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD(T6721A_TAG, T6721A, XTAL_640kHz) MCFG_T6721A_EOS_HANDLER(DEVWRITELINE(MOS6525_TAG, tpi6525_device, i2_w)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_C64_PASSTHRU_EXPANSION_SLOT_ADD() MACHINE_CONFIG_END //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor c64_magic_voice_cartridge_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( c64_magic_voice ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // c64_magic_voice_cartridge_device - constructor //------------------------------------------------- c64_magic_voice_cartridge_device::c64_magic_voice_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, C64_MAGIC_VOICE, "C64 Magic Voice cartridge", tag, owner, clock, "c64_magic_voice", __FILE__), device_c64_expansion_card_interface(mconfig, *this), m_vslsi(*this, T6721A_TAG), m_tpi(*this, MOS6525_TAG), m_exp(*this, C64_EXPANSION_SLOT_TAG) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void c64_magic_voice_cartridge_device::device_start() { } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void c64_magic_voice_cartridge_device::device_reset() { m_tpi->reset(); } //------------------------------------------------- // c64_cd_r - cartridge data read //------------------------------------------------- UINT8 c64_magic_voice_cartridge_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { data = m_exp->cd_r(space, offset, data, sphi2, ba, roml, romh, io1, io2); if (!io2 && BIT(offset, 7)) { m_tpi->read(space, offset & 0x07); } return data; } //------------------------------------------------- // c64_cd_w - cartridge data write //------------------------------------------------- void c64_magic_voice_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { if (!io2 && BIT(offset, 7)) { m_tpi->write(space, offset & 0x07, data); } m_exp->cd_w(space, offset, data, sphi2, ba, roml, romh, io1, io2); } //------------------------------------------------- // c64_game_r - GAME read //------------------------------------------------- int c64_magic_voice_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return m_exp->game_r(offset, sphi2, ba, rw, hiram); } //------------------------------------------------- // c64_exrom_r - EXROM read //------------------------------------------------- int c64_magic_voice_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return m_exp->exrom_r(offset, sphi2, ba, rw, hiram); }