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Example 3, Instruction formats and opcodes, Instruction fields – Freescale Semiconductor StarCore SC140 User Manual

Page 743: Zxt.l d0

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ZXT.x

SC140 DSP Core Reference Manual

A-429

Example 3

zxt.l d0

Instruction Formats and Opcodes

Note:

** indicates serial grouping encoding.

Instruction Fields

Da

JJJ

Single Source Data Register

Dn

FFF

Single Source/Destination Data Register

L6:D6

$0:$00 0000 5EC4

Register/Memory Address

Before

After

L0:D0

$0:$FF A836 A7C4

$0:$00 A836 A7C4

Instruction

Words Cycles Type

Opcode

15

8

7

0

ZXT.B Da,Dn

1

1

1

0

*

1

1

0

1

F

F

F

1

1

0

1

J

J

J

15

8

7

0

ZXT.W Da,Dn

1

1

1

0

*

1

1

0

1

F

F

F

1

1

1

1

J

J

J

15

8

7

0

ZXT.L Dn

1

1

1

0

*

1

0

0

1

F

F

F

1

1

0

0

0

0

0

000

D0

010

D2

100

D4

110

D6

001

D1

011

D3

101

D5

111

D7

Note:

This instruction can specify D8-D15 as operands by using a prefix.

000

D0

010

D2

100

D4

110

D6

001

D1

011

D3

101

D5

111

D7

Note:

This instruction can specify D8-D15 as operands by using a prefix.

Register/Memory Address

Before

After