dsp56800 Freescale Semiconductor, Inc, dsp56800 Datasheet - Page 272

• Manufacturer Part Number: dsp56800
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

ASR
Instruction Fields:
Parallel Moves:
Timing:
Memory:
A-42
Operation
ASR
2 + mv oscillator clock cycles
1 program word
Operation
1.
for every addressing mode.
2.
as the destination of the parallel read operation. Memory writes are allowed in this case.
ASR
Data ALU Operation
This instruction occupies only 1 program word and executes in 1 instruction cycle
The destination of the data ALU operation is not allowed to be the same register
1
Operands
FDD
(F = A or B)
Operands
Arithmetic Shift Right
F
DSP56800 Family Manual
C
2
W
X:(Rn)+N
1
X:(Rn)+
Source
X0
Y1
Y0
A1
B1
A
B
Arithmetic shift right entire register by 1 bit
Parallel Memory Move
Destination
X:(Rn)+N
X:(Rn)+
Comments
X0
Y1
Y0
A1
B1
A
B
Freescale Semiconductor
2
ASR