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pc9801.cpp: added SpeakBoard sound card emulation [Angelo Salese, Takahiro Nogi]
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angelosa
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66153a3df5
@ -3,15 +3,20 @@
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/***************************************************************************
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NEC PC-9801-86 sound card
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NEC PC-9801-SpeakBoard sound card
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Similar to PC-9801-26, this one has YM2608 instead of YM2203 and an
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additional DAC port
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SpeakBoard sound card seems to be derived design from -86, with an additional
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OPNA mapped at 0x58*
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TODO:
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- joystick code should be shared between -26, -86 and -118
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- Test all pcm modes
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- Make volume work
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- Recording
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- actual stereo sound routing (currently routes to ALL_OUTPUTS)
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- SpeakBoard: no idea about software that uses this;
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***************************************************************************/
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@ -52,7 +57,7 @@ WRITE_LINE_MEMBER(pc9801_86_device::sound_irq)
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// device_add_mconfig - add device configuration
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//-------------------------------------------------
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MACHINE_CONFIG_START(pc9801_86_device::device_add_mconfig)
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MACHINE_CONFIG_START(pc9801_86_device::pc9801_86_config)
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SPEAKER(config, "lspeaker").front_left();
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SPEAKER(config, "rspeaker").front_right();
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MCFG_DEVICE_ADD("opna", YM2608, 7.987_MHz_XTAL)
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@ -71,6 +76,10 @@ MACHINE_CONFIG_START(pc9801_86_device::device_add_mconfig)
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MCFG_SOUND_ROUTE(0, "rdac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "rdac", -1.0, DAC_VREF_NEG_INPUT)
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MACHINE_CONFIG_END
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MACHINE_CONFIG_START(pc9801_86_device::device_add_mconfig)
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pc9801_86_config(config);
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MACHINE_CONFIG_END
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// to load a different bios for slots:
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// -cbusX pc9801_86,bios=N
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ROM_START( pc9801_86 )
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@ -136,8 +145,8 @@ ioport_constructor pc9801_86_device::device_input_ports() const
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// pc9801_86_device - constructor
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//-------------------------------------------------
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pc9801_86_device::pc9801_86_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: device_t(mconfig, PC9801_86, tag, owner, clock),
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pc9801_86_device::pc9801_86_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
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: device_t(mconfig, type, tag, owner, clock),
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m_bus(*this, DEVICE_SELF_OWNER),
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m_opna(*this, "opna"),
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m_ldac(*this, "ldac"),
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@ -146,6 +155,12 @@ pc9801_86_device::pc9801_86_device(const machine_config &mconfig, const char *ta
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{
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}
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pc9801_86_device::pc9801_86_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: pc9801_86_device(mconfig, PC9801_86, tag, owner, clock)
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{
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}
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//-------------------------------------------------
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// device_validity_check - perform validity checks
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@ -375,3 +390,81 @@ void pc9801_86_device::device_timer(emu_timer& timer, device_timer_id id, int pa
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m_bus->int_w<5>(ASSERT_LINE);
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}
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}
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//**************************************************************************
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// SpeakBoard device section
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//**************************************************************************
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DEFINE_DEVICE_TYPE(PC9801_SPEAKBOARD, pc9801_speakboard_device, "pc9801_spb", "NEC PC9801 SpeakBoard")
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ROM_START( pc9801_spb )
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ROM_REGION( 0x4000, "sound_bios", ROMREGION_ERASEFF )
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ROM_LOAD16_BYTE( "spb lh5764 ic21_pink.bin", 0x0001, 0x2000, CRC(5bcefa1f) SHA1(ae88e45d411bf5de1cb42689b12b6fca0146c586) )
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ROM_LOAD16_BYTE( "spb lh5764 ic22_green.bin", 0x0000, 0x2000, CRC(a7925ced) SHA1(3def9ee386ab6c31436888261bded042cd64a0eb) )
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// RAM
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ROM_REGION( 0x100000, "opna", ROMREGION_ERASE00 )
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ROM_REGION( 0x100000, "opna_slave", ROMREGION_ERASE00 )
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ROM_END
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const tiny_rom_entry *pc9801_speakboard_device::device_rom_region() const
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{
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return ROM_NAME( pc9801_spb );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// pc9801_86_device - constructor
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//-------------------------------------------------
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pc9801_speakboard_device::pc9801_speakboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: pc9801_86_device(mconfig, PC9801_SPEAKBOARD, tag, owner, clock),
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m_opna_slave(*this, "opna_slave")
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{
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}
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MACHINE_CONFIG_START(pc9801_speakboard_device::device_add_mconfig)
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pc9801_86_config(config);
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MCFG_DEVICE_ADD("opna_slave", YM2608, 7.987_MHz_XTAL)
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MCFG_AY8910_OUTPUT_TYPE(0)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
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MACHINE_CONFIG_END
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void pc9801_speakboard_device::device_start()
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{
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pc9801_86_device::device_start();
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install_device(0x0588, 0x058f, read8_delegate(FUNC(pc9801_speakboard_device::opna_slave_r), this), write8_delegate(FUNC(pc9801_speakboard_device::opna_slave_w), this) );
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}
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void pc9801_speakboard_device::device_reset()
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{
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pc9801_86_device::device_reset();
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}
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READ8_MEMBER(pc9801_speakboard_device::opna_slave_r)
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{
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if((offset & 1) == 0)
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return m_opna_slave->read(space, offset >> 1);
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else // odd
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{
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logerror("PC9801-SPB: Read to undefined port [%02x]\n",offset+0x588);
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return 0xff;
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}
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}
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WRITE8_MEMBER(pc9801_speakboard_device::opna_slave_w)
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{
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if((offset & 1) == 0)
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m_opna_slave->write(space, offset >> 1,data);
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else // odd
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logerror("PC9801-SPB: Write to undefined port [%02x] %02x\n",offset+0x588,data);
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}
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@ -26,6 +26,7 @@ class pc9801_86_device : public device_t
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public:
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// construction/destruction
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pc9801_86_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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pc9801_86_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
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DECLARE_READ8_MEMBER(opna_r);
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DECLARE_WRITE8_MEMBER(opna_w);
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@ -34,6 +35,10 @@ public:
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DECLARE_READ8_MEMBER(pcm_r);
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DECLARE_WRITE8_MEMBER(pcm_w);
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DECLARE_WRITE_LINE_MEMBER(sound_irq);
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DECLARE_READ8_MEMBER(opn_porta_r);
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DECLARE_WRITE8_MEMBER(opn_portb_w);
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protected:
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// device-level overrides
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virtual void device_validity_check(validity_checker &valid) const override;
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@ -45,6 +50,7 @@ protected:
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virtual const tiny_rom_entry *device_rom_region() const override;
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void install_device(offs_t start, offs_t end, read8_delegate rhandler, write8_delegate whandler);
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virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
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void pc9801_86_config(machine_config &config);
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private:
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int queue_count();
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@ -60,22 +66,34 @@ private:
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required_device<dac_word_interface> m_rdac;
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std::vector<uint8_t> m_queue;
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emu_timer *m_dac_timer;
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};
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DECLARE_WRITE_LINE_MEMBER(sound_irq);
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DECLARE_READ8_MEMBER(opn_porta_r);
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DECLARE_WRITE8_MEMBER(opn_portb_w);
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class pc9801_speakboard_device : public pc9801_86_device
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{
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public:
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// construction/destruction
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pc9801_speakboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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DECLARE_READ8_MEMBER(opna_slave_r);
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DECLARE_WRITE8_MEMBER(opna_slave_w);
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protected:
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virtual void device_add_mconfig(machine_config &config) override;
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virtual void device_start() override;
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virtual void device_reset() override;
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virtual const tiny_rom_entry *device_rom_region() const override;
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private:
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required_device<ym2608_device> m_opna_slave;
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};
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// device type definition
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DECLARE_DEVICE_TYPE(PC9801_86, pc9801_86_device)
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DECLARE_DEVICE_TYPE(PC9801_SPEAKBOARD, pc9801_speakboard_device)
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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#endif // MAME_BUS_CBUS_PC9801_86_H
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@ -1979,7 +1979,7 @@ static void pc9801_cbus_devices(device_slot_interface &device)
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// PC-9801-26 + PC-9801-86 (?)
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// PC-9801-86 + Chibi-Oto
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device.option_add("pc9801_118", PC9801_118);
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// Speak Board
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device.option_add("pc9801_spb", PC9801_SPEAKBOARD);
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// Spark Board
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// AMD-98 (AmuseMent boarD)
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device.option_add("pc9801_amd98", PC9801_AMD98);
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