Bit Shifts
Chapter 14
142
Figure 14.1
BIT
SHIFT LEFT/RIGHT Operation
32
400
401
16151413121110987654321
L17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
L
17
48 402
L
33
64 403
L
49
80 404
L
65
96 405
L
81
112 406
L
97
128 407
L
113127
L
L
L
L
L
L
L
6667
128Bit
Shift Register
(Starting at Location 400)
(A.)
Input Bit A
Bit one of
Bit Shift Register
L
123
Output Bit A
32
400
401
16151413121110987654321
L17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
R
17
48 402
R
33
64 403
R
49
80 404
R
65
96 405
R
81
112 406
R
97
128 407
R
113127
R
R
R
R
R
R
R
6667
128Bit Shift Register
(Starting at Location 400)
(B.)
Output Bit A
Bit one of
Bit Shift Register
R
123
Input Bit A
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