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/* 3com Etherlink II 3c503 */
#ifndef __3C503_H__
#define __3C503_H__
#include "emu.h"
#include "machine/isa.h"
#include "machine/dp8390.h"
class el2_3c503_device: public device_t,
public device_isa8_card_interface
{
public:
el2_3c503_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual machine_config_constructor device_mconfig_additions() const;
void el2_3c503_irq_w(int state);
DECLARE_READ8_MEMBER(el2_3c503_mem_read);
DECLARE_WRITE8_MEMBER(el2_3c503_mem_write);
DECLARE_READ8_MEMBER(el2_3c503_loport_r);
DECLARE_WRITE8_MEMBER(el2_3c503_loport_w);
DECLARE_READ8_MEMBER(el2_3c503_hiport_r);
DECLARE_WRITE8_MEMBER(el2_3c503_hiport_w);
void eop_w(int state);
UINT8 dack_r(int line);
void dack_w(int line, UINT8 data);
protected:
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete() { m_shortname = "el2_3c503"; }
private:
required_device<dp8390d_device> m_dp8390;
UINT8 m_board_ram[8*1024];
UINT8 m_rom[8*1024];
UINT8 m_prom[32];
UINT8 m_irq_state;
UINT8 el2_3c503_mem_read(offs_t offset);
void el2_3c503_mem_write(offs_t offset, UINT8 data);
void set_irq(int state);
void set_drq(int state);
struct {
UINT8 pstr;
UINT8 pspr;
UINT8 dqtr;
UINT8 bcfr;
UINT8 pcfr;
UINT8 gacfr;
UINT8 ctrl;
UINT8 streg;
UINT8 idcfr;
UINT16 da;
UINT32 vptr;
UINT8 rfmsb;
UINT8 rflsb;
} m_regs;
};
extern const device_type EL2_3C503;
#endif
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