C0 Count Field - Honeywell 6000 Series Reference Manual

CAP I
I. PRECEDES CO COUNT I'll-2|."
2. ZEROS USED TO SYNC I'LO
INDICATES PLO SYNC AND BEGINNING
OF DATA
1'3. DECODING HEX l9 SYNC BY'I'I-L
v
33 BYTES Agglaiss 9 BY'I'ES svm: RumRn NO.
ZEROS 3 BYTES ZEROS III-.X l9 SYNL
y 1
(:AI' ' (I;):Z;):I:l'l
46 BY I LS Iw'rlss
A
I
'c
0 l
2
4 5
6
7 8 9
PHYSICAL
ADDRESS
FLAG
R
2 CC BYTES
2 BYTES
WW W \
I W
v
A
A
A
A
—BYTE
'RECORD NUMBER (of
Fan
BIT
BITS
0-4 = ZERO
5 = CE PACK
6-7:
00 = NORMAL TRACK
01 = ALTERNATE TRACK
II) = DEFECTIVE TRACK
II = DEFECTIVE TRACK
CONTENTS
0
LOW-ORDER CYLINDER ADDRESS
BIT 0-7
'0 == HIGH-ORDER CYLINDER ADDRESS
I = HIGH-ORDER CYLINDER ADDRESS
2 = ZERO
3-7 = HEAD ADDRESS
Figure 2— 10B.
rAL'l'ERNA'I'I-Z ADDRESS
SAME FORMAT AS BYTES
(0. 1. 2. 3)
CO COUNT Fl ELI)
' 2 BYTES USED F6?
ERROR DETECTION
I. DESCRIBES CONDITION OF THIS TRACK
2. CONTAINS PHYSICAL ADDRESS Ol' 'I'IIIS TRACK
C0 Count Field
2'1002
DB3?