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Transcript
Freescale Semiconductor, Inc.
SXTA.x
Instruction Formats and Opcodes
Instruction
Words Cycles Type
Opcode
15
1
SXTA.B rx,Rx
1
2
1
8
1
1
0 R R R R 1
15
1
SXTA.W Rx
1
2
1
8
1
1
7
0
1
0
0
r
r
r
7
0 R R R R 1
r
0
1
1
1
1
0
0
1
Instruction Fields
Freescale Semiconductor, Inc...
rx
rrrr
0000
N0
0100
—
1000
R0
1100
R4
0001
N1
0101
—
1001
R1
1101
R5
0010
N2
0110
PC
1010
R2
1110
R6
0011
N3
0111
SP
1011
R3
1111
R7
Note:
Rx
If registers R8–R15 are accessed instead of R0–R7, a two-word prefix is used.
RRRR
AGU Source/Destination Register
0000
N0
0100
—
1000
R0
1100
R4
0001
N1
0101
—
1001
R1
1101
R5
0010
N2
0110
—
1010
R2
1110
R6
0011
N3
0111
SP
1011
R3
1111
R7
Note:
A-384
AGU Source Register
If registers R8–R15 are accessed instead of R0–R7, a two-word prefix is used.
SC110 DSP Core Instruction Set
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