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-rw-r--r--src/mess/machine/c64/magic_voice.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/src/mess/machine/c64/magic_voice.c b/src/mess/machine/c64/magic_voice.c
new file mode 100644
index 00000000000..c9ca300def7
--- /dev/null
+++ b/src/mess/machine/c64/magic_voice.c
@@ -0,0 +1,162 @@
+/**********************************************************************
+
+ Commodore Magic Voice cartridge emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "magic_voice.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define T6721A_TAG "u5"
+#define MOS6525_TAG "u2"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type C64_MAGIC_VOICE = &device_creator<c64_magic_voice_cartridge_device>;
+
+
+//-------------------------------------------------
+// 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);
+}