dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 79

• Manufacturer Part Number: dsp56800e
• Description: 16-bit Digital Signal Controller Core
• Manufacturer: Freescale Semiconductor, Inc

3.6.3.1
The address of the operand is in the address register Rn, N, or SP. The contents of the address register are
unchanged. Figure 3-15 demonstrates this addressing mode.
Freescale Semiconductor
Available for: Byte (Byte Pointer [Word Pointer for SP]), Word, Long
Assembler Syntax: X:(Rn), X:(N), X:(SP)
Additional Instruction Execution Cycles: 0
Additional Effective Address Program Words: 0
A
35 32 31
A2
$001000
No Update: (Rn)
0
R2
1
15
23
Before Execution
2
X
A1
X Memory
$001000
Figure 3-15. Address Register Indirect: No Update
3
X
4
16 15
X
No Update Example:
X
Data Types and Addressing Modes
5
0
0
6
A0
7
8
0
MOVE.W A1,X:(R2)
A
35 32 31
A2
$001000
0
R2
1
15
23
After Execution
2
1
A1
X Memory
$001000
3
2
4
16 15
3
4
5
0
0
Addressing Modes
6
A0
7
8
0
3-29