// license:BSD-3-Clause // copyright-holders:Curt Coder /*************************************************************************** Intel 8274 Multi-Protocol Serial Controller emulation NEC uPD7201 Multiprotocol Serial Communications Controller emulation Z80-DART Dual Asynchronous Receiver/Transmitter emulation Z80-SIO/0/1/2/3/4 Serial Input/Output Controller emulation **************************************************************************** _____ _____ CLK 1 |* \_/ | 40 Vcc _RESET 2 | | 39 _CTSA _CDA 3 | | 38 _RTSA _RxCB 4 | | 37 TxDA _CDB 5 | | 36 _TxCA _CTSB 6 | | 35 _RxCA _TxCB 7 | | 34 RxDA TxDB 8 | | 33 _SYNDETA RxDB 9 | | 32 RDYA/RxDRQA _RTSB/_SYNDETB 10 | I8274 | 31 _DTRA RDYB/_TxDRQA 11 | | 30 _IPO/TxDRQB D7 12 | | 29 _IPI/RxDRQB D6 13 | | 28 _INT D5 14 | | 27 _INTA D4 15 | | 26 _DTRB D3 16 | | 25 A0 D2 17 | | 24 A1 D1 18 | | 23 _CS D0 19 | | 22 _RD Vss 20 |_____________| 21 _WR _____ _____ CLK 1 |* \_/ | 40 Vcc _RESET 2 | | 39 _CTSA _DCDA 3 | | 38 _RTSA _RxCB 4 | | 37 TxDA _DCDB 5 | | 36 _TxCA _CTSB 6 | | 35 _RxCA _TxCB 7 | | 34 RxDA TxDB 8 | | 33 _SYNCA RxDB 9 | | 32 _WAITA/DRQRxA _RTSB/_SYNCB 10 | UPD7201 | 31 _DTRA/_HAO _WAITB/_DRQTxA 11 | | 30 _PRO/DRQTxB D7 12 | | 29 _PRI/DRQRxB D6 13 | | 28 _INT D5 14 | | 27 _INTAK D4 15 | | 26 _DTRB/_HAI D3 16 | | 25 B/_A D2 17 | | 24 C/_D D1 18 | | 23 _CS D0 19 | | 22 _RD Vss 20 |_____________| 21 _WR _____ _____ D1 1 |* \_/ | 40 D0 D3 2 | | 39 D2 D5 3 | | 38 D4 D7 4 | | 37 D6 _INT 5 | | 36 _IORQ IEI 6 | | 35 _CE IEO 7 | | 34 B/_A _M1 8 | | 33 C/_D Vdd 9 | | 32 _RD _W/RDYA 10 | Z80-DART | 31 GND _RIA 11 | Z8470 | 30 _W/RDYB RxDA 12 | | 29 _RIB _RxCA 13 | | 28 RxDB _TxCA 14 | | 27 _RxTxCB TxDA 15 | | 26 TxDB _DTRA 16 | | 25 _DTRB _RTSA 17 | | 24 _RTSB _CTSA 18 | | 23 _CTSB _DCDA 19 | | 22 _DCDB CLK 20 |_____________| 21 _RESET _____ _____ D1 1 |* \_/ | 40 D0 D3 2 | | 39 D2 D5 3 | | 38 D4 D7 4 | | 37 D6 _INT 5 | | 36 _IORQ IEI 6 | | 35 _CE IEO 7 | | 34 B/_A _M1 8 | | 33 C/_D Vdd 9 | | 32 _RD _W/RDYA 10 | Z80-SIO/0 | 31 GND _SYNCA 11 | Z8440 | 30 _W/RDYB RxDA 12 | | 29 _SYNCB _RxCA 13 | | 28 RxDB _TxCA 14 | | 27 _RxTxCB TxDA 15 | | 26 TxDB _DTRA 16 | | 25 _DTRB _RTSA 17 | | 24 _RTSB _CTSA 18 | | 23 _CTSB _DCDA 19 | | 22 _DCDB CLK 20 |_____________| 21 _RESET _____ _____ D1 1 |* \_/ | 40 D0 D3 2 | | 39 D2 D5 3 | | 38 D4 D7 4 | | 37 D6 _INT 5 | | 36 _IORQ IEI 6 | | 35 _CE IEO 7 | | 34 B/_A _M1 8 | | 33 C/_D Vdd 9 | | 32 _RD _W/RDYA 10 | Z80-SIO/1 | 31 GND _SYNCA 11 | Z8441 | 30 _W/RDYB RxDA 12 | | 29 _SYNCB _RxCA 13 | | 28 RxDB _TxCA 14 | | 27 _RxCB TxDA 15 | | 26 _TxCB _DTRA 16 | | 25 TxDB _RTSA 17 | | 24 _RTSB _CTSA 18 | | 23 _CTSB _DCDA 19 | | 22 _DCDB CLK 20 |_____________| 21 _RESET _____ _____ D1 1 |* \_/ | 40 D0 D3 2 | | 39 D2 D5 3 | | 38 D4 D7 4 | | 37 D6 _INT 5 | | 36 _IORQ IEI 6 | | 35 _CE IEO 7 | | 34 B/_A _M1 8 | | 33 C/_D Vdd 9 | | 32 _RD _W/RDYA 10 | Z80-SIO/2 | 31 GND _SYNCA 11 | Z8442 | 30 _W/RDYB RxDA 12 | | 29 _RxDB _RxCA 13 | | 28 _RxCB _TxCA 14 | | 27 _TxCB TxDA 15 | | 26 TxDB _DTRA 16 | | 25 _DTRB _RTSA 17 | | 24 _RTSB _CTSA 18 | | 23 _CTSB _DCDA 19 | | 22 _DCDB CLK 20 |_____________| 21 _RESET ***************************************************************************/ #ifndef __Z80DART_H__ #define __Z80DART_H__ #include "emu.h" #include "cpu/z80/z80daisy.h" //************************************************************************** // DEVICE CONFIGURATION MACROS //************************************************************************** #define MCFG_Z80DART_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, Z80DART, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_Z80SIO0_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, Z80SIO0, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_Z80SIO1_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, Z80SIO1, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_Z80SIO2_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, Z80SIO2, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_Z80SIO3_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, Z80SIO3, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_Z80SIO4_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, Z80SIO4, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_I8274_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, I8274, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_UPD7201_ADD(_tag, _clock, _rxa, _txa, _rxb, _txb) \ MCFG_DEVICE_ADD(_tag, UPD7201, _clock) \ MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) #define MCFG_Z80DART_OFFSETS(_rxa, _txa, _rxb, _txb) \ z80dart_device::configure_channels(*device, _rxa, _txa, _rxb, _txb); #define MCFG_Z80DART_OUT_TXDA_CB(_devcb) \ devcb = &z80dart_device::set_out_txda_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_DTRA_CB(_devcb) \ devcb = &z80dart_device::set_out_dtra_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_RTSA_CB(_devcb) \ devcb = &z80dart_device::set_out_rtsa_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_WRDYA_CB(_devcb) \ devcb = &z80dart_device::set_out_wrdya_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_SYNCA_CB(_devcb) \ devcb = &z80dart_device::set_out_synca_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_TXDB_CB(_devcb) \ devcb = &z80dart_device::set_out_txdb_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_DTRB_CB(_devcb) \ devcb = &z80dart_device::set_out_dtrb_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_RTSB_CB(_devcb) \ devcb = &z80dart_device::set_out_rtsb_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_WRDYB_CB(_devcb) \ devcb = &z80dart_device::set_out_wrdyb_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_SYNCB_CB(_devcb) \ devcb = &z80dart_device::set_out_syncb_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_INT_CB(_devcb) \ devcb = &z80dart_device::set_out_int_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_RXDRQA_CB(_devcb) \ devcb = &z80dart_device::set_out_rxdrqa_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_TXDRQA_CB(_devcb) \ devcb = &z80dart_device::set_out_txdrqa_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_RXDRQB_CB(_devcb) \ devcb = &z80dart_device::set_out_rxdrqb_callback(*device, DEVCB_##_devcb); #define MCFG_Z80DART_OUT_TXDRQB_CB(_devcb) \ devcb = &z80dart_device::set_out_txdrqb_callback(*device, DEVCB_##_devcb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> z80dart_channel class z80dart_device; class z80dart_channel : public device_t, public device_serial_interface { friend class z80dart_device; public: z80dart_channel(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; // device_serial_interface overrides virtual void tra_callback() override; virtual void tra_complete() override; virtual void rcv_callback() override; virtual void rcv_complete() override; UINT8 control_read(); void control_write(UINT8 data); UINT8 data_read(); void data_write(UINT8 data); void receive_data(UINT8 data); DECLARE_WRITE_LINE_MEMBER( write_rx ); DECLARE_WRITE_LINE_MEMBER( cts_w ); DECLARE_WRITE_LINE_MEMBER( dcd_w ); DECLARE_WRITE_LINE_MEMBER( ri_w ); DECLARE_WRITE_LINE_MEMBER( rxc_w ); DECLARE_WRITE_LINE_MEMBER( txc_w ); DECLARE_WRITE_LINE_MEMBER( sync_w ); int m_rxc; int m_txc; // register state UINT8 m_rr[3]; // read register UINT8 m_wr[6]; // write register protected: enum { INT_TRANSMIT = 0, INT_EXTERNAL, INT_RECEIVE, INT_SPECIAL }; enum { RR0_RX_CHAR_AVAILABLE = 0x01, RR0_INTERRUPT_PENDING = 0x02, RR0_TX_BUFFER_EMPTY = 0x04, RR0_DCD = 0x08, RR0_RI = 0x10, RR0_SYNC_HUNT = 0x10, // not supported RR0_CTS = 0x20, RR0_TX_UNDERRUN = 0x40, // not supported RR0_BREAK_ABORT = 0x80 // not supported }; enum { RR1_ALL_SENT = 0x01, RR1_RESIDUE_CODE_MASK = 0x0e, // not supported RR1_PARITY_ERROR = 0x10, RR1_RX_OVERRUN_ERROR = 0x20, RR1_CRC_FRAMING_ERROR = 0x40, RR1_END_OF_FRAME = 0x80 // not supported }; enum { WR0_REGISTER_MASK = 0x07, WR0_COMMAND_MASK = 0x38, WR0_NULL = 0x00, WR0_SEND_ABORT = 0x08, // not supported WR0_RESET_EXT_STATUS = 0x10, WR0_CHANNEL_RESET = 0x18, WR0_ENABLE_INT_NEXT_RX = 0x20, WR0_RESET_TX_INT = 0x28, // not supported WR0_ERROR_RESET = 0x30, WR0_RETURN_FROM_INT = 0x38, // not supported WR0_CRC_RESET_CODE_MASK = 0xc0, // not supported WR0_CRC_RESET_NULL = 0x00, // not supported WR0_CRC_RESET_RX = 0x40, // not supported WR0_CRC_RESET_TX = 0x80, // not supported WR0_CRC_RESET_TX_UNDERRUN = 0xc0 // not supported }; enum { WR1_EXT_INT_ENABLE = 0x01, WR1_TX_INT_ENABLE = 0x02, WR1_STATUS_VECTOR = 0x04, WR1_RX_INT_MODE_MASK = 0x18, WR1_RX_INT_DISABLE = 0x00, WR1_RX_INT_FIRST = 0x08, WR1_RX_INT_ALL_PARITY = 0x10, // not supported WR1_RX_INT_ALL = 0x18, WR1_WRDY_ON_RX_TX = 0x20, // not supported WR1_WRDY_FUNCTION = 0x40, // not supported WR1_WRDY_ENABLE = 0x80 // not supported }; enum { WR2_DATA_XFER_INT = 0x00, // not supported WR2_DATA_XFER_DMA_INT = 0x01, // not supported WR2_DATA_XFER_DMA = 0x02, // not supported WR2_DATA_XFER_ILLEGAL = 0x03, // not supported WR2_DATA_XFER_MASK = 0x03, // not supported WR2_PRIORITY = 0x04, // not supported WR2_MODE_8085_1 = 0x00, // not supported WR2_MODE_8085_2 = 0x08, // not supported WR2_MODE_8086_8088 = 0x10, // not supported WR2_MODE_ILLEGAL = 0x18, // not supported WR2_MODE_MASK = 0x18, // not supported WR2_VECTORED_INT = 0x20, // not supported WR2_PIN10_SYNDETB_RTSB = 0x80 // not supported }; enum { WR3_RX_ENABLE = 0x01, WR3_SYNC_CHAR_LOAD_INHIBIT= 0x02, // not supported WR3_ADDRESS_SEARCH_MODE = 0x04, // not supported WR3_RX_CRC_ENABLE = 0x08, // not supported WR3_ENTER_HUNT_PHASE = 0x10, // not supported WR3_AUTO_ENABLES = 0x20, WR3_RX_WORD_LENGTH_MASK = 0xc0, WR3_RX_WORD_LENGTH_5 = 0x00, WR3_RX_WORD_LENGTH_7 = 0x40, WR3_RX_WORD_LENGTH_6 = 0x80, WR3_RX_WORD_LENGTH_8 = 0xc0 }; enum { WR4_PARITY_ENABLE = 0x01, WR4_PARITY_EVEN = 0x02, WR4_STOP_BITS_MASK = 0x0c, WR4_STOP_BITS_1 = 0x04, WR4_STOP_BITS_1_5 = 0x08, // not supported WR4_STOP_BITS_2 = 0x0c, WR4_SYNC_MODE_MASK = 0x30, // not supported WR4_SYNC_MODE_8_BIT = 0x00, // not supported WR4_SYNC_MODE_16_BIT = 0x10, // not supported WR4_SYNC_MODE_SDLC = 0x20, // not supported WR4_SYNC_MODE_EXT = 0x30, // not supported WR4_CLOCK_RATE_MASK = 0xc0, WR4_CLOCK_RATE_X1 = 0x00, WR4_CLOCK_RATE_X16 = 0x40, WR4_CLOCK_RATE_X32 = 0x80, WR4_CLOCK_RATE_X64 = 0xc0 }; enum { WR5_TX_CRC_ENABLE = 0x01, // not supported WR5_RTS = 0x02, WR5_CRC16 = 0x04, // not supported WR5_TX_ENABLE = 0x08, WR5_SEND_BREAK = 0x10, WR5_TX_WORD_LENGTH_MASK = 0x60, WR5_TX_WORD_LENGTH_5 = 0x00, WR5_TX_WORD_LENGTH_6 = 0x40, WR5_TX_WORD_LENGTH_7 = 0x20, WR5_TX_WORD_LENGTH_8 = 0x60, WR5_DTR = 0x80 }; void update_serial(); void set_dtr(int state); void set_rts(int state); int get_clock_mode(); stop_bits_t get_stop_bits(); int get_rx_word_length(); int get_tx_word_length(); // receiver state UINT8 m_rx_data_fifo[3]; // receive data FIFO UINT8 m_rx_error_fifo[3]; // receive error FIFO UINT8 m_rx_error; // current receive error int m_rx_fifo; // receive FIFO pointer int m_rx_clock; // receive clock pulse count int m_rx_first; // first character received int m_rx_break; // receive break condition UINT8 m_rx_rr0_latch; // read register 0 latched int m_rxd; int m_ri; // ring indicator latch int m_cts; // clear to send latch int m_dcd; // data carrier detect latch // transmitter state UINT8 m_tx_data; // transmit data register int m_tx_clock; // transmit clock pulse count int m_dtr; // data terminal ready int m_rts; // request to send // synchronous state UINT16 m_sync; // sync character int m_index; z80dart_device *m_uart; }; // ======================> z80dart_device class z80dart_device : public device_t, public device_z80daisy_interface { friend class z80dart_channel; public: // construction/destruction z80dart_device(const machine_config &mconfig, device_type type, std::string name, std::string tag, device_t *owner, UINT32 clock, UINT32 variant, std::string shortname, std::string source); z80dart_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); template static devcb_base &set_out_txda_callback(device_t &device, _Object object) { return downcast(device).m_out_txda_cb.set_callback(object); } template static devcb_base &set_out_dtra_callback(device_t &device, _Object object) { return downcast(device).m_out_dtra_cb.set_callback(object); } template static devcb_base &set_out_rtsa_callback(device_t &device, _Object object) { return downcast(device).m_out_rtsa_cb.set_callback(object); } template static devcb_base &set_out_wrdya_callback(device_t &device, _Object object) { return downcast(device).m_out_wrdya_cb.set_callback(object); } template static devcb_base &set_out_synca_callback(device_t &device, _Object object) { return downcast(device).m_out_synca_cb.set_callback(object); } template static devcb_base &set_out_txdb_callback(device_t &device, _Object object) { return downcast(device).m_out_txdb_cb.set_callback(object); } template static devcb_base &set_out_dtrb_callback(device_t &device, _Object object) { return downcast(device).m_out_dtrb_cb.set_callback(object); } template static devcb_base &set_out_rtsb_callback(device_t &device, _Object object) { return downcast(device).m_out_rtsb_cb.set_callback(object); } template static devcb_base &set_out_wrdyb_callback(device_t &device, _Object object) { return downcast(device).m_out_wrdyb_cb.set_callback(object); } template static devcb_base &set_out_syncb_callback(device_t &device, _Object object) { return downcast(device).m_out_syncb_cb.set_callback(object); } template static devcb_base &set_out_int_callback(device_t &device, _Object object) { return downcast(device).m_out_int_cb.set_callback(object); } template static devcb_base &set_out_rxdrqa_callback(device_t &device, _Object object) { return downcast(device).m_out_rxdrqa_cb.set_callback(object); } template static devcb_base &set_out_txdrqa_callback(device_t &device, _Object object) { return downcast(device).m_out_txdrqa_cb.set_callback(object); } template static devcb_base &set_out_rxdrqb_callback(device_t &device, _Object object) { return downcast(device).m_out_rxdrqb_cb.set_callback(object); } template static devcb_base &set_out_txdrqb_callback(device_t &device, _Object object) { return downcast(device).m_out_txdrqb_cb.set_callback(object); } static void configure_channels(device_t &device, int rxa, int txa, int rxb, int txb) { z80dart_device &dev = downcast(device); dev.m_rxca = rxa; dev.m_txca = txa; dev.m_rxcb = rxb; dev.m_txcb = txb; } DECLARE_READ8_MEMBER( cd_ba_r ); DECLARE_WRITE8_MEMBER( cd_ba_w ); DECLARE_READ8_MEMBER( ba_cd_r ); DECLARE_WRITE8_MEMBER( ba_cd_w ); DECLARE_READ8_MEMBER( da_r ) { return m_chanA->data_read(); } DECLARE_WRITE8_MEMBER( da_w ) { m_chanA->data_write(data); } DECLARE_READ8_MEMBER( db_r ) { return m_chanB->data_read(); } DECLARE_WRITE8_MEMBER( db_w ) { m_chanB->data_write(data); } DECLARE_READ8_MEMBER( ca_r ) { return m_chanA->control_read(); } DECLARE_WRITE8_MEMBER( ca_w ) { m_chanA->control_write(data); } DECLARE_READ8_MEMBER( cb_r ) { return m_chanB->control_read(); } DECLARE_WRITE8_MEMBER( cb_w ) { m_chanB->control_write(data); } // interrupt acknowledge int m1_r(); DECLARE_WRITE_LINE_MEMBER( rxa_w ) { m_chanA->write_rx(state); } DECLARE_WRITE_LINE_MEMBER( rxb_w ) { m_chanB->write_rx(state); } DECLARE_WRITE_LINE_MEMBER( ctsa_w ) { m_chanA->cts_w(state); } DECLARE_WRITE_LINE_MEMBER( ctsb_w ) { m_chanB->cts_w(state); } DECLARE_WRITE_LINE_MEMBER( dcda_w ) { m_chanA->dcd_w(state); } DECLARE_WRITE_LINE_MEMBER( dcdb_w ) { m_chanB->dcd_w(state); } DECLARE_WRITE_LINE_MEMBER( ria_w ) { m_chanA->ri_w(state); } DECLARE_WRITE_LINE_MEMBER( rib_w ) { m_chanB->ri_w(state); } DECLARE_WRITE_LINE_MEMBER( rxca_w ) { m_chanA->rxc_w(state); } DECLARE_WRITE_LINE_MEMBER( rxcb_w ) { m_chanB->rxc_w(state); } DECLARE_WRITE_LINE_MEMBER( txca_w ) { m_chanA->txc_w(state); } DECLARE_WRITE_LINE_MEMBER( txcb_w ) { m_chanB->txc_w(state); } DECLARE_WRITE_LINE_MEMBER( rxtxcb_w ) { m_chanB->rxc_w(state); m_chanB->txc_w(state); } DECLARE_WRITE_LINE_MEMBER( synca_w ) { m_chanA->sync_w(state); } DECLARE_WRITE_LINE_MEMBER( syncb_w ) { m_chanB->sync_w(state); } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual machine_config_constructor device_mconfig_additions() const override; // device_z80daisy_interface overrides virtual int z80daisy_irq_state() override; virtual int z80daisy_irq_ack() override; virtual void z80daisy_irq_reti() override; // internal interrupt management void check_interrupts(); void reset_interrupts(); void trigger_interrupt(int index, int state); int get_channel_index(z80dart_channel *ch) { return (ch == m_chanA) ? 0 : 1; } enum { TYPE_DART, TYPE_SIO0, TYPE_SIO1, TYPE_SIO2, TYPE_SIO3, TYPE_SIO4, TYPE_I8274, TYPE_UPD7201 }; enum { CHANNEL_A = 0, CHANNEL_B }; required_device m_chanA; required_device m_chanB; // internal state int m_rxca; int m_txca; int m_rxcb; int m_txcb; devcb_write_line m_out_txda_cb; devcb_write_line m_out_dtra_cb; devcb_write_line m_out_rtsa_cb; devcb_write_line m_out_wrdya_cb; devcb_write_line m_out_synca_cb; devcb_write_line m_out_txdb_cb; devcb_write_line m_out_dtrb_cb; devcb_write_line m_out_rtsb_cb; devcb_write_line m_out_wrdyb_cb; devcb_write_line m_out_syncb_cb; devcb_write_line m_out_int_cb; devcb_write_line m_out_rxdrqa_cb; devcb_write_line m_out_txdrqa_cb; devcb_write_line m_out_rxdrqb_cb; devcb_write_line m_out_txdrqb_cb; int m_int_state[8]; // interrupt state int m_variant; }; // ======================> z80sio0_device class z80sio0_device : public z80dart_device { public: // construction/destruction z80sio0_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); }; // ======================> z80sio1_device class z80sio1_device : public z80dart_device { public: // construction/destruction z80sio1_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); }; // ======================> z80sio2_device class z80sio2_device : public z80dart_device { public: // construction/destruction z80sio2_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); }; // ======================> z80sio3_device class z80sio3_device : public z80dart_device { public: // construction/destruction z80sio3_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); }; // ======================> z80sio4_device class z80sio4_device : public z80dart_device { public: // construction/destruction z80sio4_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); }; // ======================> i8274_device class i8274_device : public z80dart_device { public: // construction/destruction i8274_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); DECLARE_READ8_MEMBER( inta_r ) { return m1_r(); }; }; // ======================> upd7201_device class upd7201_device : public z80dart_device { public: // construction/destruction upd7201_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); }; // device type definition extern const device_type Z80DART_CHANNEL; extern const device_type Z80DART; extern const device_type Z80SIO0; extern const device_type Z80SIO1; extern const device_type Z80SIO2; extern const device_type Z80SIO3; extern const device_type Z80SIO4; extern const device_type I8274; extern const device_type UPD7201; #endif