Analog Devices ADSP-2106x SHARC User Manual page 626

E Control/Status Registers
28-29
30-31
E.6 ARITHMETIC STATUS REGISTER (ASTAT)
Bit Name
0 AZ
1 AV
2 AN
3 AC
4 AS
5 AI
6 MN
7 MV
8 MU
9 MI
10 AF
11 SV
12 SZ
13 SS
14-17
18 BTF
19 FLG0
20 FLG1
21 FLG2
22 FLG3
23
24-31 CACC
E – 18
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Silicon revision #
Processor ID (ID=01 for ADSP-21060, ID=10 for ADSP-21062)
Definition
ALU result zero or floating-point underflow
ALU overflow
ALU result negative
ALU fixed-point carry
ALU X input sign (ABS and MANT operations)
ALU floating-point invalid operation
Multiplier result negative
Multiplier overflow
Multiplier floating-point underflow
Multiplier floating-point invalid operation
ALU floating-point operation
Shifter overflow
Shifter result zero
Shifter input sign
reserved
Bit test flag for system registers
FLAG0 value
FLAG1 value
FLAG2 value
FLAG3 value
reserved
Compare accumulation bits