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// license:GPL-2.0+
// copyright-holders:Raphael Nabet
/*
990_dk.h: include file for 990_dk.c
*/
#ifndef __990_DK__
#define __990_DK__
extern const device_type FD800;
#define MAX_FLOPPIES 4
class fd800_legacy_device : public device_t
{
public:
fd800_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8_MEMBER( cru_r );
DECLARE_WRITE8_MEMBER( cru_w );
template<class _Object> static devcb_base &static_set_int_callback(device_t &device, _Object object)
{
return downcast<fd800_legacy_device &>(device).m_int_line.set_callback(object);
}
private:
void device_start(void);
void device_reset(void);
void set_interrupt_line();
int read_id(int unit, int head, int *cylinder_id, int *sector_id);
int find_sector(int unit, int head, int sector, int *data_id);
int do_seek(int unit, int cylinder, int head);
int do_restore(int unit);
void do_read(void);
void do_write(void);
void do_cmd(void);
UINT16 m_recv_buf;
UINT16 m_stat_reg;
UINT16 m_xmit_buf;
UINT16 m_cmd_reg;
int m_interrupt_f_f;
devcb_write_line m_int_line;
enum buf_mode_t {
bm_off, bm_read, bm_write
};
UINT8 m_buf[128];
int m_buf_pos;
buf_mode_t m_buf_mode;
int m_unit;
// int m_head;
int m_sector;
/*int m_non_seq_mode;*/
// int m_ddam;
struct
{
// legacy_floppy_image_device *img;
int phys_cylinder;
int log_cylinder[2];
int seclen;
} m_drv[MAX_FLOPPIES];
};
// LEGACY_FLOPPY_OPTIONS_EXTERN(fd800);
#define MCFG_FD800_INT_HANDLER( _intcallb ) \
devcb = &fd800_legacy_device::static_set_int_callback( *device, DEVCB_##_intcallb );
#endif
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