dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 278

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

A - 12
Update Mode (U)
Parallel Mode (P)
Memory Mode (M)
Alterable Mode (A) – Refers to alterable or writable registers or memory.
Data or Control Register
Address Register
Address Offset Register
Address Modifier Register
No Update
Postincrement by 1
Postdecrement by 1
Postincrement by Offset Nn
Postdecrement by Offset Nn
Indexed by Offset Nn
Predecrement by 1
Immediate Data
Absolute Address
Immediate Short Data
Short Jump Address
Absolute Short Address
I/O Short Address
Implicit
Addressing Mode
Table A-3 DSP56K Addressing Mode Encoding
– Modifies address registers without any associated data move.
– Used in instructions where two effective addresses are required.
– Refers to operands in memory using an effective addressing field.
Freescale Semiconductor, Inc.
For More Information On This Product,
INSTRUCTION SET DETAILS
Mode
MMM
ADDRESSING MODES
100
011
010
001
000
101
111
110
110
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—
Address Register Indirect
—
—
—
—
—
—
—
—
Register Direct
RRR
Reg
100
000
Rn
Rn
Rn
Rn
Rn
Rn
Rn
Special
—
—
—
—
—
—
—
—
—
Addressing Categories
U
X
X
X
X
P
X
X
X
X
M
X
X
X
X
X
X
X
X
X
A
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(See Table A-1)
Assembler
(Rn) + Nn
(Rn + Nn)
(RN) - Nn
#xxxxxx
Syntax
(Rn) +
(Rn) -
- (Rn)
MOTOROLA
xxxx
(Rn)
#xx
xxx
Rn
Mn
Nn
aa
pp