Analog Devices ADSP-21261 SHARC Hardware Reference Manual page 639

LSEM
Loop Stack Empty (Read-only)
LSOV
Loop Stack Overflow (Read-only)
SSEM
Status Stack Empty (Read-only)
SSOV
Status Stack Overflow (Read-only)
PCEM
PC Stack Empty (Read-only)
Not Sticky, cleared by push
PCFL
PC Stack Full (Read-only)
Not Sticky, cleared by pop
MIS
Multiplier Floating-Point Invalid Operation
MUS
Multiplier Floating-Point Underflow
MVS
Multiplier Floating-Point Overflow
MOS
Multiplier Fixed-Point Overflow
AIS
ALU Floating-Point Invalid Operation
Figure A-5. STKYx Register
ADSP-2126x SHARC Processor Hardware Reference
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0 0 0 0 0 1 0 1
15 14 13 12 11 10 9
0 0 0 0 0 0 0
Registers Reference
0 1 0 0 0 0 0 0
8 7 6 5 4 3 2 1
0 0 0 0 0 0 0 0
CB7s
DAG1 Circular Buffer 7
Overflow
CB15S
DAG2 Circular Buffer 15
Overflow
IIRA
Illegal Access Occurred
U64MA
Unaligned 64-Bit Memory
Access
0
0
AUS
ALU Floating-Point
Underflow
AVS
ALU Floating-Point
Overflow
AOS
ALU Fixed-Point
Overflow
A-17