E.7 Sticky Status (Stky) - Analog Devices ADSP-2106x SHARC User Manual

E Control/Status Registers
E.7 STICKY STATUS (STKY)
Bit Name
0 AUS
1 AVS
2 AOS
3-4
5 AIS
6 MOS
7 MVS
8 MUS
9 MIS
10-16
17 CB7S
18 CB15S
19-20
21 PCFL
22 PCEM
23 SSOV
24 SSEM
25 LSOV
26 LSEM
27-31
Bits 21-26 are read-only. Writes to the STKY register have no effect on these bits.
All bits except 21, 22, 24, 26 are sticky (see "Stack Flags" in the Program Sequencing
chapter). Once a sticky bit is set, it remains set until explicitly cleared.
E – 20
www.BDTIC.com/ADI
Definition
ALU floating-point underflow
ALU floating-point overflow
ALU fixed-point overflow
reserved
ALU floating-point invalid operation
Multiplier fixed-point overflow
Multiplier floating-point overflow
Multiplier floating-point underflow
Multiplier floating-point invalid operation
reserved
DAG1 circular buffer 7 overflow
DAG2 circular buffer 15 overflow
reserved
PC stack full (not sticky)
PC stack empty (not sticky)
Status stack overflow (MODE1 and ASTAT)
Status stack empty (not sticky)
Loop stack overflow (Loop Address and Loop Counter)
Loop stack empty (not sticky)
reserved