Analog Devices ADSP-BF53x Blackfin Reference page 786

ADSP-BF535 Flags
Table A-1. ASTAT Flag Behavior for the ADSP-BF535 (Cont'd)
Instruction
Logical Shift (to A1)
ROT (Rotate)
ABS (to dreg)
ABS (to A0)
ABS (to A1)
Add (preg version)
Add (dreg version)
Add/Subtract – Prescale Down
Add/Subtract – Prescale Up
Add Immediate (to preg or ireg)
Add Immediate (to dreg)
DIVS, DIVQ (Divide Primitive)
EXPADJ
MAX
MIN
Modify – Decrement (to preg or ireg)
Modify – Decrement (to acc)
Modify – Increment (to preg or ireg)
Modify – Increment (extracted to dreg)
Modify – Increment (to acc)
– indicates that the flag is NOT AFFECTED by execution of the instruction
* indicates that the flag is SET OR CLEARED depending on execution of the instruction
** indicates that the flag is CLEARED by execution of the instruction
U indicates that the flag state is UNDEFINED following execution of the instruction; if the value of
this bit is needed for program execution, the program needs to check the bit prior to executing the
instruction with a U in a bit field.
A-6 ADSP-BF53x/BF56x Blackfin Processor Programming Reference
AC0_
CC AZ AN
COPY
– * *
* – –
– * **
– * **
– * **
– – –
– * *
– – –
– – –
– – –
– * *
– U U
– U U
– * *
– * *
– – –
– U U
– – –
– * *
– U U
V_
AQ
COPY
U U –
– – –
U * –
U U –
U U –
– – –
* * –
– – –
– – –
– – –
* * –
U U *
– – –
U U –
U U –
– – –
U – –
– – –
* * –
U U –