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New turbo floppy poller, should be a bit faster than before.

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This commit is contained in:
OBattler
2017-07-26 00:16:54 +02:00
parent 562a138ec8
commit 02f5d663d0
10 changed files with 382 additions and 8 deletions
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25
src/disc_imd.c
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@@ -531,6 +531,9 @@ void imd_seek(int drive, int track)
d86f_reset_index_hole_pos(drive, 0);
d86f_reset_index_hole_pos(drive, 1);
d86f_zero_bit_field(drive, 0);
d86f_zero_bit_field(drive, 1);
for (side = 0; side < imd[drive].sides; side++)
{
track_rate = imd[drive].current_side_flags[side] & 7;
@@ -601,6 +604,11 @@ void imd_seek(int drive, int track)
imd_sector_to_buffer(drive, track, side, data, actual_sector, ssize);
current_pos = d86f_prepare_sector(drive, side, current_pos, id, data, ssize, 22, track_gap3, deleted, bad_crc);
track_buf_pos[side] += ssize;
if (sector == 0)
{
d86f_initialize_last_sector_id(drive, id[0], id[1], id[2], id[3]);
}
}
}
else
@@ -635,6 +643,11 @@ void imd_seek(int drive, int track)
}
track_buf_pos[side] += ssize;
if (sector == 0)
{
d86f_initialize_last_sector_id(drive, id[0], id[1], id[2], id[3]);
}
}
}
}
@@ -746,6 +759,16 @@ void imd_writeback(int drive)
}
}
uint8_t imd_poll_read_data(int drive, int side, uint16_t pos)
{
int type = imd[drive].current_data[side][0];
if (!(type & 1))
{
return 0xf6; /* Should never happen. */
}
return imd[drive].current_data[side][pos + 1];
}
void imd_poll_write_data(int drive, int side, uint16_t pos, uint8_t data)
{
int type = imd[drive].current_data[side][0];
@@ -777,6 +800,7 @@ void d86f_register_imd(int drive)
d86f_handler[drive].side_flags = imd_side_flags;
d86f_handler[drive].writeback = imd_writeback;
d86f_handler[drive].set_sector = imd_set_sector;
d86f_handler[drive].read_data = imd_poll_read_data;
d86f_handler[drive].write_data = imd_poll_write_data;
d86f_handler[drive].format_conditions = imd_format_conditions;
d86f_handler[drive].extra_bit_cells = null_extra_bit_cells;
@@ -785,4 +809,5 @@ void d86f_register_imd(int drive)
d86f_handler[drive].index_hole_pos = null_index_hole_pos;
d86f_handler[drive].get_raw_size = common_get_raw_size;
d86f_handler[drive].check_crc = 1;
d86f_set_version(drive, 0x0063);
}