beautypg.com

Instruction formats and opcodes, Instruction fields – Freescale Semiconductor StarCore SC140 User Manual

Page 573

background image

MOVE.2W

SC140 DSP Core Reference Manual

A-259

Instruction Formats and Opcodes

Notes:

1.

** indicates serial grouping encoding.

2.

When the form (Rn + N0) is used in EA, the cycle count is increased by 1.

Instruction Fields

w

Read/Write Notation

Da:Db

hh

Data Register Pairs

EA

MMM

Effective Address Notation

Rn

RRR

Address Register

D0

$FF FFFF AF44

D1

$00 0000 2377

R0

$0000 0050

$0050

$AF44

$0052

$2377

Instruction

Words Cycles Type

Opcode

15

8

7

0

MOVE.2W (EA),Da:Db

1

1

2

1

0

*

0

w

1

h

h

0

0

1 M M M R R R

MOVE.2W Da:Db,(EA)

0

write

1

read

00

D0:D1

01

D2:D3

10

D4:D5

11

D6:D7

Note:

This instruction can specify D8-D15 as operands by using a prefix. In such a case, all the registers

in the group will be high registers.

000

(Rn+N0)

010

(Rn)

100

(Rn)+N0

110

(Rn)+N2

001

(Rn)–

011

(Rn)+

101

(Rn)+N1

111

(Rn)+N3

000

R0

010

R2

100

R4

110

R6

001

R1

011

R3

101

R5

111

R7

Note:

This instruction can specify R8-R15 as operands by using a high register prefix.

Register/Memory Address

Before

After