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/*
ataridev.h
*/
#ifndef _ATARIFDC_H
#define _ATARIFDC_H
class atari_fdc_device : public device_t
{
public:
atari_fdc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8_MEMBER( serin_r );
DECLARE_WRITE8_MEMBER( serout_w );
DECLARE_WRITE_LINE_MEMBER( pia_cb2_w );
void atari_load_proc(device_image_interface &image);
protected:
// device-level overrides
virtual void device_start();
virtual machine_config_constructor device_mconfig_additions() const;
private:
void clr_serout(int expect_data);
void add_serout(int expect_data);
void clr_serin(int ser_delay);
void add_serin(UINT8 data, int with_checksum);
void a800_serial_command();
void a800_serial_write();
device_t *atari_floppy_get_device_child(int drive);
struct atari_drive
{
UINT8 *image; /* malloc'd image */
int type; /* type of image (XFD, ATR, DSK) */
int mode; /* 0 read only, != 0 read/write */
int density; /* 0 SD, 1 MD, 2 DD */
int header_skip; /* number of bytes in format header */
int tracks; /* number of tracks (35,40,77,80) */
int heads; /* number of heads (1,2) */
int spt; /* sectors per track (18,26) */
int seclen; /* sector length (128,256) */
int bseclen; /* boot sector length (sectors 1..3) */
int sectors; /* total sectors, ie. tracks x heads x spt */
};
int m_serout_count;
int m_serout_offs;
UINT8 m_serout_buff[512];
UINT8 m_serout_chksum;
// int m_serout_delay;
int m_serin_count;
int m_serin_offs;
UINT8 m_serin_buff[512];
UINT8 m_serin_chksum;
int m_serin_delay;
atari_drive m_drv[4];
};
extern const device_type ATARI_FDC;
#endif /* _ATARIFDC_H */
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