SH7721 datasheet(213/1524 Pages) RENESAS

213 / 1524 page

Section 3 DSP Operating Unit

Rev. 3.00 Jan. 18, 2008 Page 151 of 1458

REJ09B0033-0300

3.6.2

Double-Data Transfer Instructions

Table 3.36

Double Data Transfer Instruction

Instruction

Instruction Code

Operation

Execution

States

NOPX

1111000*0*0*00**

X memory no access

–

MOVX.W @Ax,Dx

111100A*D*0*01**

(Ax)

→ MSW of Dx, 0 →

LSW of Dx

–

MOVX.W @Ax+,Dx

111100A*D*0*10**

(Ax)

→ MSW of Dx, 0 →

LSW of Dx, Ax + 2

→ Ax

–

MOVX.W @Ax+Ix,Dx

111100A*D*0*11**

(Ax)

→ MSW of Dx, 0 →

LSW of Dx, Ax + Ix

→ Ax

–

MOVX.W Da,@Ax

111100A*D*1*01**

MSW of Da

→ (Ax)

–

MOVX.W Da,@Ax+

111100A*D*1*10**

MSW of Da

→ (Ax), Ax + 2

→ Ax

–

memory

data

transfer

MOVX.W Da,@Ax+Ix

111100A*D*1*11**

MSW of Da

→ (Ax), Ax + Ix

→ Ax

–

NOPY

111100*0*0*0**00

Y memory no access

–

MOVY.W @Ay,Dy

111100*A*D*0**01

(Ay)

→ MSW of Dy, 0 →

LSW of Dy

–

MOVY.W @Ay+,Dy

111100*A*D*0**10

(Ay)

→ MSW of Dy, 0 →

LSW of Dy, Ay + 2

→ Ay

–

MOVY.W @Ay+Iy,Dy

111100*A*D*0**11

(Ay)

→ MSW of Dy, 0 →

LSW of Dy, Ay + Iy

→ Ay

–

MOVY.W Da,@Ay

111100*A*D*1**01

MSW of Da

→ (Ay)

–

MOVY.W Da,@Ay+

111100*A*D*1**10

MSW of Da

→ (Ay), Ay + 2

→ Ay

–

memory

data

transfer

MOVY.W Da,@Ay+Iy

111100*A*D*1**11

MSW of Da

→ (Ay), Ay + Iy

→ Ay

–

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