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

Page 412

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A-98

SC140 DSP Core Reference Manual

BMTSTS.W

Instruction Formats and Opcodes

Instruction Fields

Rn

RRR

Address Register

Instruction

Words Cycles Type

Opcode

15

8

7

0

BMTSTS.W #u16,(SP–u5)

2

3

3

0

0

0

0

0

1

0

1

i

i

i

A

A

A

A

A

1

0

1

i

i

i

i

i

i

i

i

i

i

i

i

i

15

8

7

0

BMTSTS.W #u16,(SP+s16)

3

3

3

0

0

1

1

1

1

0

1

A

A

A

i

i

0

1

1

0

0

1

A

A

A

A

A

A

A

A

A

A

A

A

A

1

0

i

i

i

i

i

i

i

i

i

i

i

i

i

i

15

8

7

0

BMTSTS.W #u16,(Rn)

2

2

3

0

0

0

1

0

1

0

1

i

i

i

0

1

R R R

1

0

1

i

i

i

i

i

i

i

i

i

i

i

i

i

15

8

7

0

BMTSTS.W #u16,(a16)

3

2

3

0

0

1

1

1

1

0

1

A

A

A

i

i

0

0

1

0

0

1

A

A

A

A

A

A

A

A

A

A

A

A

A

1

0

i

i

i

i

i

i

i

i

i

i

i

i

i

i

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.

a16

AAAAAAAAAAAAAAAA

16-bit unsigned absolute address

#u16

iiiiiiiiiiiiiiii

16-bit unsigned immediate data

u5

AAAAA0

5-bit unsigned SP address offset

s16

AAAAAAAAAAAAAAAA

16-bit signed SP address offset

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