dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 64

• Manufacturer Part Number: dsp56000
• Description: 24-bit Digital Signal Processor Family Manual
• Manufacturer: Freescale Semiconductor, Inc

move.
4.4.2
The address ALU supports linear, modulo, and reverse-carry arithmetic for all address
register indirect modes. These arithmetic types easily allow the creation of data structures
in memory for FIFOs (queues), delay lines, circular buffers, stacks, and bit-reversed FFT
buffers.
4 - 14
Assembler Syntax: (Rn)–Nn
Memory Spaces: P:, X:, Y:, L:
Additional Instruction Execution Time (Clocks): 0
Additional Effective Address Words: 0
EXAMPLE: MOVE X:(R4)–N4,A0
55 48 47
7
0
A2
F
Address Modifier Arithmetic Types
0 23
Figure 4-8 Address Register Indirect — Postdecrement by Offset Nn
7 4
BEFORE EXECUTION
1
A1
0
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24 23
A
0 23
Freescale Semiconductor, Inc.
23
X X X X X X
3
For More Information On This Product,
$ 5 0 5 0 5 0
M4
R4
N4
X MEMORY
F A
ADDRESS GENERATION UNIT
15
15
15
A0
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6
Go to: www.freescale.com
B
ADDRESSING
0
0
0
0
0
0
0
55 48 47
0
7
A2
F
0 23
7
AFTER EXECUTION
4
1 0
A1
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5
24 23
A
0 23
23
X X X X X X
$ 5 0 5 0 5 0
5
M4
R4
N4
X MEMORY
0 5
15
15
15
A0
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0
MOTOROLA
5
0
0
0
0
0
0
0