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Instruction
SET CLOCK
SHIFT AND ROUND DECIMAL
SHIFT LEFT (DOUBLE or SINGLE)
SHIFT RIGHT (DOUBLE or SINGLE)
START I/O, START I/O FAST
. RELEASE
STORE CHANNEL 10
STORE CLOCK
SUBTRACT, SUBTRACT HALFWORD
SUBTRACT DECIMAL
SUBTRACT LOGICAL
SUBTRACT NORMALIZED
SUBTRACT UNNORMALIZED
TEST AND SET
TEST CHANNEL
TEST I/O
TEST UNDER MASK
TRANSLATE AND TEST
ZERO AND ADD
Explanation:
o
set
zero
zero
zero
successful
10 stored
set
zero
zero
zero
zero
left zero
available
available
a
11
zeros
zero
zero
>
zero
<
zero
high
low
length
Result is greater than zero
Result is less than zero
First operand compares high
First operand compares low
Length of first operand
Condition Code
secure
<
zero
<
zero
<
zero
CSW stored
CSW stored
not set
<
zero
<
zero
not zero,
no carry
<
zero
<
zero
left one
interruption
pending
CSW stored
mixed
incomplete
<
zero
2
>
zero
>
zero
>
zero
busy
busy
error
>
zero
>
zero
zero,
carry
>
zero
>
zero
-
burst mode
busy
-
complete
>
zero
3
not operational
overflow
overflow
not operational
not operational
not operational
overflow
overflow
not zero,
carry
-
-
-
not operational
not operational
all ones
-
overflow
Note: The condition code may also be changed by DIAGNOSE, EXECUTE, LOAD PSW, SET PROGRAM
----- MASK, and SUPERVISOR CALL, and by an interruption.
Summary of Condition-Code Settings (Part 2 of 2)
C-2
IBM 4300 Processors Principles of Operation
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