diff options
Diffstat (limited to 'src/devices/machine/mc68681.h')
-rw-r--r-- | src/devices/machine/mc68681.h | 87 |
1 files changed, 70 insertions, 17 deletions
diff --git a/src/devices/machine/mc68681.h b/src/devices/machine/mc68681.h index f2093fc66cc..6577d1be552 100644 --- a/src/devices/machine/mc68681.h +++ b/src/devices/machine/mc68681.h @@ -11,28 +11,38 @@ MCFG_DEVICE_REPLACE(_tag, MC68681, _clock) #define MCFG_MC68681_IRQ_CALLBACK(_cb) \ - devcb = &mc68681_device::set_irq_cb(*device, DEVCB_##_cb); + devcb = &mc68681_base_device::set_irq_cb(*device, DEVCB_##_cb); #define MCFG_MC68681_A_TX_CALLBACK(_cb) \ - devcb = &mc68681_device::set_a_tx_cb(*device, DEVCB_##_cb); + devcb = &mc68681_base_device::set_a_tx_cb(*device, DEVCB_##_cb); #define MCFG_MC68681_B_TX_CALLBACK(_cb) \ - devcb = &mc68681_device::set_b_tx_cb(*device, DEVCB_##_cb); + devcb = &mc68681_base_device::set_b_tx_cb(*device, DEVCB_##_cb); // deprecated: use ipX_w() instead #define MCFG_MC68681_INPORT_CALLBACK(_cb) \ - devcb = &mc68681_device::set_inport_cb(*device, DEVCB_##_cb); + devcb = &mc68681_base_device::set_inport_cb(*device, DEVCB_##_cb); #define MCFG_MC68681_OUTPORT_CALLBACK(_cb) \ - devcb = &mc68681_device::set_outport_cb(*device, DEVCB_##_cb); + devcb = &mc68681_base_device::set_outport_cb(*device, DEVCB_##_cb); #define MCFG_MC68681_SET_EXTERNAL_CLOCKS(_a, _b, _c, _d) \ - mc68681_device::static_set_clocks(*device, _a, _b, _c, _d); + mc68681_base_device::static_set_clocks(*device, _a, _b, _c, _d); + +// SC28C94 specific callbacks +#define MCFG_SC28C94_ADD(_tag, _clock) \ + MCFG_DEVICE_ADD(_tag, SC28C94, _clock) + +#define MCFG_SC28C94_C_TX_CALLBACK(_cb) \ + devcb = &sc28c94_device::set_c_tx_cb(*device, DEVCB_##_cb); + +#define MCFG_SC28C94_D_TX_CALLBACK(_cb) \ + devcb = &sc28c94_device::set_d_tx_cb(*device, DEVCB_##_cb); #define MC68681_RX_FIFO_SIZE 3 // forward declaration -class mc68681_device; +class mc68681_base_device; // mc68681_channel class class mc68681_channel : public device_t, public device_serial_interface @@ -86,7 +96,7 @@ private: uint8_t tx_data; uint8_t tx_ready; - mc68681_device *m_uart; + mc68681_base_device *m_uart; void write_MR(uint8_t data); void write_CR(uint8_t data); @@ -94,15 +104,17 @@ private: void recalc_framing(); }; -class mc68681_device : public device_t +class mc68681_base_device : public device_t { friend class mc68681_channel; public: - mc68681_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + mc68681_base_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source); required_device<mc68681_channel> m_chanA; required_device<mc68681_channel> m_chanB; + optional_device<mc68681_channel> m_chanC; + optional_device<mc68681_channel> m_chanD; // inline configuration helpers static void static_set_clocks(device_t &device, int clk3, int clk4, int clk5, int clk6); @@ -115,13 +127,13 @@ public: DECLARE_WRITE_LINE_MEMBER( rx_a_w ) { m_chanA->device_serial_interface::rx_w((uint8_t)state); } DECLARE_WRITE_LINE_MEMBER( rx_b_w ) { m_chanB->device_serial_interface::rx_w((uint8_t)state); } - template<class _Object> static devcb_base &set_irq_cb(device_t &device, _Object object) { return downcast<mc68681_device &>(device).write_irq.set_callback(object); } - template<class _Object> static devcb_base &set_a_tx_cb(device_t &device, _Object object) { return downcast<mc68681_device &>(device).write_a_tx.set_callback(object); } - template<class _Object> static devcb_base &set_b_tx_cb(device_t &device, _Object object) { return downcast<mc68681_device &>(device).write_b_tx.set_callback(object); } - template<class _Object> static devcb_base &set_inport_cb(device_t &device, _Object object) { return downcast<mc68681_device &>(device).read_inport.set_callback(object); } - template<class _Object> static devcb_base &set_outport_cb(device_t &device, _Object object) { return downcast<mc68681_device &>(device).write_outport.set_callback(object); } + template<class _Object> static devcb_base &set_irq_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).write_irq.set_callback(object); } + template<class _Object> static devcb_base &set_a_tx_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).write_a_tx.set_callback(object); } + template<class _Object> static devcb_base &set_b_tx_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).write_b_tx.set_callback(object); } + template<class _Object> static devcb_base &set_inport_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).read_inport.set_callback(object); } + template<class _Object> static devcb_base &set_outport_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).write_outport.set_callback(object); } - devcb_write_line write_irq, write_a_tx, write_b_tx; + devcb_write_line write_irq, write_a_tx, write_b_tx, write_c_tx, write_d_tx; devcb_read8 read_inport; devcb_write8 write_outport; int32_t ip3clk, ip4clk, ip5clk, ip6clk; @@ -166,15 +178,56 @@ private: uint16_t duart68681_get_ct_count(); void duart68681_start_ct(int count); int calc_baud(int ch, uint8_t data); - int get_ch(mc68681_channel *ch) { return (ch == m_chanA) ? 0 : 1; } void clear_ISR_bits(int mask); void set_ISR_bits(int mask); void update_interrupts(); + int get_ch(mc68681_channel *ch) + { + if (ch == m_chanA) + { + return 0; + } + else if (ch == m_chanB) + { + return 1; + } + else if (ch == m_chanC) + { + return 2; + } + + return 3; + } + mc68681_channel *get_channel(int chan); }; +class mc68681_device : public mc68681_base_device +{ +public: + mc68681_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); +}; + +class sc28c94_device : public mc68681_base_device +{ +public: + sc28c94_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + template<class _Object> static devcb_base &set_c_tx_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).write_c_tx.set_callback(object); } + template<class _Object> static devcb_base &set_d_tx_cb(device_t &device, _Object object) { return downcast<mc68681_base_device &>(device).write_d_tx.set_callback(object); } + + DECLARE_WRITE_LINE_MEMBER( rx_c_w ) { m_chanC->device_serial_interface::rx_w((uint8_t)state); } + DECLARE_WRITE_LINE_MEMBER( rx_d_w ) { m_chanD->device_serial_interface::rx_w((uint8_t)state); } + +protected: + virtual machine_config_constructor device_mconfig_additions() const override; + +private: +}; + extern const device_type MC68681; +extern const device_type SC28C94; extern const device_type MC68681_CHANNEL; #endif //_N68681_H |