// license:BSD-3-Clause // copyright-holders:Ramiro Polla /* * E05A30 Gate Array (used in the Epson ActionPrinter 2000) * */ #ifndef __E05A30_H__ #define __E05A30_H__ /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define MCFG_E05A30_PRINTHEAD_CALLBACK(_write) \ devcb = &e05a30_device::set_printhead_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_PF_STEPPER_CALLBACK(_write) \ devcb = &e05a30_device::set_pf_stepper_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_CR_STEPPER_CALLBACK(_write) \ devcb = &e05a30_device::set_cr_stepper_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_READY_CALLBACK(_write) \ devcb = &e05a30_device::set_ready_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_CENTRONICS_ACK_CALLBACK(_write) \ devcb = &e05a30_device::set_centronics_ack_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_CENTRONICS_BUSY_CALLBACK(_write) \ devcb = &e05a30_device::set_centronics_busy_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_CENTRONICS_PERROR_CALLBACK(_write) \ devcb = &e05a30_device::set_centronics_perror_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_CENTRONICS_FAULT_CALLBACK(_write) \ devcb = &e05a30_device::set_centronics_fault_wr_callback(*device, DEVCB_##_write); #define MCFG_E05A30_CENTRONICS_SELECT_CALLBACK(_write) \ devcb = &e05a30_device::set_centronics_select_wr_callback(*device, DEVCB_##_write); /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ class e05a30_device : public device_t { public: e05a30_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); ~e05a30_device() {} template static devcb_base &set_printhead_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_printhead.set_callback(object); } template static devcb_base &set_pf_stepper_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_pf_stepper.set_callback(object); } template static devcb_base &set_cr_stepper_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_cr_stepper.set_callback(object); } template static devcb_base &set_ready_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_ready.set_callback(object); } template static devcb_base &set_centronics_ack_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_centronics_ack.set_callback(object); } template static devcb_base &set_centronics_busy_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_centronics_busy.set_callback(object); } template static devcb_base &set_centronics_perror_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_centronics_perror.set_callback(object); } template static devcb_base &set_centronics_fault_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_centronics_fault.set_callback(object); } template static devcb_base &set_centronics_select_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_centronics_select.set_callback(object); } DECLARE_WRITE8_MEMBER( write ); DECLARE_READ8_MEMBER( read ); /* Centronics stuff */ DECLARE_WRITE_LINE_MEMBER( centronics_input_strobe ); DECLARE_WRITE_LINE_MEMBER( centronics_input_data0 ) { if (state) m_centronics_data |= 0x01; else m_centronics_data &= ~0x01; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data1 ) { if (state) m_centronics_data |= 0x02; else m_centronics_data &= ~0x02; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data2 ) { if (state) m_centronics_data |= 0x04; else m_centronics_data &= ~0x04; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data3 ) { if (state) m_centronics_data |= 0x08; else m_centronics_data &= ~0x08; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data4 ) { if (state) m_centronics_data |= 0x10; else m_centronics_data &= ~0x10; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data5 ) { if (state) m_centronics_data |= 0x20; else m_centronics_data &= ~0x20; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data6 ) { if (state) m_centronics_data |= 0x40; else m_centronics_data &= ~0x40; } DECLARE_WRITE_LINE_MEMBER( centronics_input_data7 ) { if (state) m_centronics_data |= 0x80; else m_centronics_data &= ~0x80; } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: /* callbacks */ devcb_write16 m_write_printhead; devcb_write8 m_write_pf_stepper; devcb_write8 m_write_cr_stepper; devcb_write_line m_write_ready; devcb_write_line m_write_centronics_ack; devcb_write_line m_write_centronics_busy; devcb_write_line m_write_centronics_perror; devcb_write_line m_write_centronics_fault; devcb_write_line m_write_centronics_select; void update_printhead(int pos, uint8_t data); void update_pf_stepper(uint8_t data); void update_cr_stepper(uint8_t data); /* port 0x05 and 0x06 (9-bit) */ uint16_t m_printhead; /* port 0x07 (4-bit) */ uint8_t m_pf_stepper; /* port 0x08 (4-bit) */ uint8_t m_cr_stepper; /* Centronics stuff */ uint8_t m_centronics_data; int m_centronics_busy; int m_centronics_nack; uint8_t m_centronics_strobe; uint8_t m_centronics_data_latch; uint8_t m_centronics_data_latched; }; extern const device_type E05A30; #endif /* __E05A30_H__ */