dsp56800 Freescale Semiconductor, Inc, dsp56800 Datasheet - Page 298

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

DEC(W)
Parallel Moves:
Timing:
Memory:
A-68
Refer to the preceding Instruction Fields table
Refer to the preceding Instruction Fields table
Operation
1.
for every addressing mode.
2.
as the destination of the parallel read operation. Memory writes are allowed in this case.
DECW
DEC
Data ALU Operation
or
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
(F = A or B)
Operands
F
DSP56800 Family Manual
Decrement Word
X:(Rn)+N
X:(Rn)+
Source
X0
Y1
Y0
A1
B1
A
B
Parallel Memory Move
Destination
X:(Rn)+N
X:(Rn)+
X0
Y1
Y0
A1
B1
A
B
Freescale Semiconductor
2
DEC(W)