SH7708 datasheet(57/633 Pages) RENESAS

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Table 2.9 lists the SH7708 Series shift instructions.

Table 2.9

Shift Instructions

Instruction

Operation

Code

Privileged

Mode

Cycles T Bit

ROTL

← Rn ← MSB

0100nnnn00000100

—

MSB

ROTR

LSB

→ Rn → T

0100nnnn00000101

—

LSB

ROTCL

← Rn ← T

0100nnnn00100100

—

MSB

ROTCR

→ Rn → T

0100nnnn00100101

—

LSB

SHAD

Rm,Rn

≥ 0: Rn << Rm → Rn

Rn < 0: Rn >> Rm

→

[MSB

→ Rn]

0100nnnnmmmm1100

—1

—

SHAL

← Rn ← 0

0100nnnn00100000

—

MSB

SHAR

MSB

→ Rn → T

0100nnnn00100001

—

LSB

SHLD

Rm,Rn

≥ 0: Rn << Rm → Rn

Rn < 0: Rn >> Rm

→

→ Rn]

0100nnnnmmmm1101

—1

—

SHLL

← Rn ← 0

0100nnnn00000000

—

MSB

SHLR

→ Rn → T

0100nnnn00000001

—

LSB

SHLL2

Rn << 2

→ Rn

0100nnnn00001000

—1

—

SHLR2

Rn >> 2

→ Rn

0100nnnn00001001

—1

—

SHLL8

Rn << 8

→ Rn

0100nnnn00011000

—1

—

SHLR8

Rn >> 8

→ Rn

0100nnnn00011001

—1

—

SHLL16

Rn << 16

→ Rn

0100nnnn00101000

—1

—

SHLR16

Rn >> 16

→ Rn

0100nnnn00101001

—1

—

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