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Table 2-4. Fixed-Point ALU Instruction Summary
Instruction
Fixed-point:
Rn = Rx + Ry
Rn = Rx – Ry
Rn = Rx + Ry + CI
Rn = Rx – Ry + CI – 1
Rn = (Rx + Ry)/2
COMP(Rx, Ry)
COMPU(Rx,Ry)
Rn = Rx + CI
Rn = Rx + CI – 1
Rn = Rx + 1
Rn = Rx – 1
Rn = –Rx
Rn = ABS Rx
Rn = PASS Rx
Rn = Rx AND Ry
Rn = Rx OR Ry
Rn = Rx XOR Ry
Rn = NOT Rx
Rn = MIN(Rx, Ry)
Rn = MAX(Rx, Ry)
Rn = CLIP Rx BY Ry
ADSP-2126x SHARC Processor Hardware Reference
ASTATx,y Status Flags
A
AV A
A
AS AI
Z
N
C
*
*
*
*
0
*
*
*
*
0
*
*
*
*
0
*
*
*
*
0
*
0
*
*
0
*
0
*
0
0
*
0
*
0
0
*
*
*
*
0
*
*
*
*
0
*
*
*
*
0
*
*
*
*
0
*
*
*
*
0
*
*
0
0
*
*
0
*
0
0
*
0
*
0
0
*
0
*
0
0
*
0
*
0
0
*
0
*
0
0
*
0
*
0
0
*
0
*
0
0
*
0
*
0
0
Processing Elements
STKYx,y Status Flags
AF C
A
AV
A
US
S
C
C
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
*
–
–
0
0
*
--
--
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
0
0
–
–
–
A
AI
O
S
S
**
–
**
–
**
–
**
–
–
–
–
–
--
--
**
–
**
–
**
–
**
–
**
–
**
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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