uint16_t fdi_side_flags(int drive)
{
uint16_t temp_side_flags = 0;
switch (fdi2raw_get_bit_rate(fdi[drive].h))
{
case 500:
temp_side_flags = 0;
break;
case 300:
temp_side_flags = 1;
break;
case 250:
temp_side_flags = 2;
break;
case 1000:
temp_side_flags = 3;
break;
default:
temp_side_flags = 2;
}
if (fdi2raw_get_rotation(fdi[drive].h) == 360)
{
temp_side_flags |= 0x20;
}
/* Set the encoding value to match that provided by the FDC. Then if it's wrong, it will sector not found anyway. */
temp_side_flags |= 0x08;
return temp_side_flags;
}
uint16_t fdi_disk_flags(int drive)
{
uint16_t temp_disk_flags = 0x80; /* We ALWAYS claim to have extra bit cells, even if the actual amount is 0. */
switch (fdi2raw_get_bit_rate(fdi[drive].h))
{
case 500:
temp_disk_flags |= 2;
break;
case 300:
case 250:
temp_disk_flags |= 0;
break;
case 1000:
temp_disk_flags |= 4;
break;
default:
temp_disk_flags |= 0;
}
if (fdi[drive].sides == 2)
{
temp_disk_flags |= 8;
}
/* Tell the 86F handler that will handle our data to handle it in reverse byte endianness. */
temp_disk_flags |= 0x800;
return temp_disk_flags;
}
int fdi_hole(int drive)
{
switch (fdi2raw_get_bit_rate(fdi[drive].h))
{
case 1000:
return 2;
case 500:
return 1;
default:
return 0;
}
}