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s
S instruction format
save
areas for registers
indicator
13-4
5-2
3-10, 11-11
machine (status and page zero)
4-25
selective reset (I/O)
12-10
selector channel
12-4
self-describing block of I/O data
12-33
sense, as an I/O command
12-37
sense data (I/O)
12-37
sequence
code (in limited channel logout)
conceptual
5-8
instruction-execution
of storage references
serialization
5-12
5-1
5-8
12-61
completion of store operations
5-10
SET CLOCK (SCK) instruction
10-8
SET CLOCK COMPARATOR (SCKC)
instruction
10-9
SET CPU TIMER (SPT) instruction
10-9
SET PAGE BITS (SPB) instruction
10-9
SET PROGRAM MASK (SPM) instruction
SET PSW KEY FROM ADDRESS (SPKA)
instruction
10-10
set state (time-of-day clock)
4-17
SET STORAGE KEY (SSK) instruction
SET SYSTEM MASK (SSM) instruction
shared control unit and sub channel
12-4
SHIFT AND ROUND DECIMAL (SRP)
instruction
8-10
examples
A-28
SHIFT LEFT DOUBLE (SLDA) instruction
example
A-21
SHIFT LEFT DOUBLE LOGICAL (SLDL)
instruction
7-29
SHIFT LEFT SINGLE (SLA) instruction
example
A-21
SHIFT LEFT SINGLE LOGICAL (SLL)
instruction
7-30
7-28
10-10
10-11
7-28
7-29
SHIFT RIGHT DOUBLE (SRDA) instruction
SHIFT RIGHT DOUBLE LOGICAL (SRDL)
7-30
instruction
7-30
SHIFT RIGHT SINGLE (SRA) instruction
SHIFT RIGHT SINGLE LOGICAL (SRL)
instruction
7-31
shifting
decimal
8-10
floating-point
(see
normalization)
short floating-point number
9-2
short I/O block
12-53
SI instruction format
5-2
sign bit
binary
7-2
floating-point
sign codes (decimal)
9-1
signal-in lines
6-8
signed binary
arithmetic
comparison
integer
7-2
examples
significance
7-3
7-3
A-2
exception
6-14
8-1
mask in PSW
4-4, 4-6
starter
8-7
7-31
X-I0
IBM 4300 Processors Principles of Operation
single-access reference
SIO and SIOF functions
size
notation for
iii
of storage
3-3
skip flag in CCW
12-29
5-11
12-21
skipping (during I/O)
12-34
SLI (suppress-length indication) flag in CCW
12-29
solid errors
11-3
source
field in limited channel logout
12-60
of interruption
6-4
special-operation exception
6-14
specification exception
6-14
SS instruction format
5-2
SSM -suppression-control bit
6-14
standalone dump
13-3
standard epoch (for time-of-day clock)
4-17
start
function
4-2
key
13-4
START I/O (SIO) instruction
12-21
START I/O FAST RELEASE (SIOF) instruction
12-21
state
CPU
(see
CPU state)
I/O system
12-8
page
3-5
time-of-day clock
4-16
status
device
12-37
in CSW
12-47, 12-57
modifier (of I/O unit status)
12-48
program
(see
PSW)
stop
function
4-2
key
13-4
stopped state
of CPU
4-1
effect on completion of store operations
5-10
storage
3-1
address wraparound
for MOVE INVERSE instruction
7-22
for MOVE LONG instruction
7-23
addressing
3-1
(see also
address)
alteration
manual control for
13-2
PER event
4-11
area designation
for I/O operations
12-30
for PER events
4-11
assigned locations in
3-9
auxiliary
3-1, 3-3
buffer (cache)
3-1
clearing
by CLEAR PAGE instruction
10-3
by clear-reset function
4-23
control instructions
3-6
control unit (in limited channel logout)
12-60
direct-access
3-1
display
13-2
error
11-10
failing address
(see
failing-storage address)
internal
2-2
for page descriptions
3-4
key
3-4
(see also
page description)
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