PHASE
R/W
Command
W
W
W
W
W
W
Execution for W
Each Sector W
Repeat:
W
W
Result
R
R
R
R
R
R
R
(9) Format A Track
D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
0 MFM 0
0
1
1
0
1 Command codes
0
0
0
0
0 HDS DS1 DS0
---------------------- N ------------------------
Bytes/Sector
--------------------- SC -----------------------
Sectors/Cylinder
--------------------- GPL ---------------------
Gap 3
---------------------- D ------------------------
Filler Byte
---------------------- C ------------------------
Input Sector
---------------------- H ------------------------
Parameters
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- ST0 -----------------------
Status information
-------------------- ST1 -----------------------
after command
-------------------- ST2 -----------------------
execution
---------------- Undefined -------------------
---------------- Undefined -------------------
---------------- Undefined -------------------
---------------- Undefined -------------------
27