Figure 2-10B. Co Count Field - Honeywell 6000 Series Reference Manual

33 BYTES
ADDRESS
9 UYTES
MARK
ZEROS
3 BYTES
ZER()S
"
,
0 2 3
PHYSICAL
ADDRESS FLAG R
2 BYTES
~,
SYNC
ItECORU NO.
IIEX I" SYNC
y
,
~
(;AP 1
COCOlJNT
4()
I\YTES
H+ 2CC
nYTES
~
I
A
4 5 6
r-
(;AP 1
1. PRECEUES CO (;()uNT HU.U
2. ZEROS USEIl TO SYNC PI.O
3. IlECODING HEX 19 SYNC I\Yn~
INDICATES PLO SYNC AND
IU~(;INNIN(;
OF DATA
-
'-.
7 8 9
2CCBYTES
~'-v-' "--v---' .....
-------..v,----------""---v---'
BYTE
o
1
RECORD NUMI\ER (0)
BIT 0-4
:=
ZERO
BIT 5 :: CE PACK
BITS 6-7:
{)():: NORMAL TRACK
01 :: ALTERNATE TRACK
1 ():: DEFEt.TIVE TRACK
11 :: DEFECTIVE TRACK
CONTENTS
LOW-ORDER CYLINDER AIlIlRESS
BIT 0-7
0= HI(;H-ORUER CYLlNI>ER ADDRESS
1
=
HI(;H-ORDER CYLINDER ADDRESS
2
=
ZERO
3-7
=
HEAD ADURESS
ALTERNATE ADDRESS
SAME FORMAT AS IWTES
(C),
1, 2,3)
CO COUNT FI ELl>
!
, 2 BYTES USED FOR •
ERROR DETE(''TION
•
1. DESCRIBES CONDITION OF THIS TI{.H '"
2. CONTAINS PHYSICAL AIlDRESS or TillS
TR.U'"
Figure 2-10B. CO Count Field
.z-lO.2 DB3?