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/***************************************************************************
E05A03 Gate Array (used in the Epson LX-800)
license: MAME, GPL-2.0+
copyright-holders: Dirk Best
***************************************************************************/
#ifndef __E05A03_H__
#define __E05A03_H__
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_E05A03_NLQ_LP_CALLBACK(_write) \
devcb = &e05a03_device::set_nlq_lp_wr_callback(*device, DEVCB_##_write);
#define MCFG_E05A03_PE_LP_CALLBACK(_write) \
devcb = &e05a03_device::set_pe_lp_wr_callback(*device, DEVCB_##_write);
#define MCFG_E05A03_RESO_CALLBACK(_write) \
devcb = &e05a03_device::set_reso_wr_callback(*device, DEVCB_##_write);
#define MCFG_E05A03_PE_CALLBACK(_write) \
devcb = &e05a03_device::set_pe_wr_callback(*device, DEVCB_##_write);
#define MCFG_E05A03_DATA_CALLBACK(_read) \
devcb = &e05a03_device::set_data_rd_callback(*device, DEVCB_##_read);
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
class e05a03_device : public device_t
{
public:
e05a03_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~e05a03_device() {}
template<class _Object> static devcb_base &set_nlq_lp_wr_callback(device_t &device, _Object object) { return downcast<e05a03_device &>(device).m_write_nlq_lp.set_callback(object); }
template<class _Object> static devcb_base &set_pe_lp_wr_callback(device_t &device, _Object object) { return downcast<e05a03_device &>(device).m_write_pe_lp.set_callback(object); }
template<class _Object> static devcb_base &set_reso_wr_callback(device_t &device, _Object object) { return downcast<e05a03_device &>(device).m_write_reso.set_callback(object); }
template<class _Object> static devcb_base &set_pe_wr_callback(device_t &device, _Object object) { return downcast<e05a03_device &>(device).m_write_pe.set_callback(object); }
template<class _Object> static devcb_base &set_data_rd_callback(device_t &device, _Object object) { return downcast<e05a03_device &>(device).m_read_data.set_callback(object); }
DECLARE_WRITE8_MEMBER( write );
DECLARE_READ8_MEMBER( read );
WRITE_LINE_MEMBER( home_w ); /* home position signal */
WRITE_LINE_MEMBER( fire_w ); /* printhead solenoids trigger */
WRITE_LINE_MEMBER( strobe_w );
READ_LINE_MEMBER( busy_r );
WRITE_LINE_MEMBER( resi_w ); /* reset input */
WRITE_LINE_MEMBER( init_w ); /* centronics init */
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
private:
// internal state
/* callbacks */
devcb_write_line m_write_nlq_lp; /* pin 2, nlq lamp output */
devcb_write_line m_write_pe_lp; /* pin 3, paper empty lamp output */
devcb_write_line m_write_reso; /* pin 25, reset output */
devcb_write_line m_write_pe; /* pin 35, centronics pe output */
devcb_read8 m_read_data; /* pin 47-54, centronics data input */
/* 24-bit shift register, port 0x00, 0x01 and 0x02 */
UINT32 m_shift;
/* port 0x03 */
int m_busy_leading;
int m_busy_software;
int m_nlqlp;
int m_cndlp;
#if 0
int m_pe;
int m_pelp;
#endif
/* port 0x04 and 0x05 (9-bit) */
UINT16 m_printhead;
/* port 0x06 (4-bit) */
UINT8 m_pf_motor;
/* port 0x07 (4-bit) */
UINT8 m_cr_motor;
};
extern const device_type E05A03;
#endif /* __E05A03_H__ */
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