MC68340 datasheet(154/441 Pages) FREESCALE

154 / 441 page

MOTOROLA

MC68340 USER’S MANUAL

5- 17

Table 5-2. Instruction Set Summary (Continued)

Opcode

Operation

Syntax

CMP2

Compare Rn < lower-bound or

Rn > upper-bound

and Set Condition Codes

CMP2

〈ea〉,Rn

DBcc

If condition false then (Dn – 1

⇒ Dn;

If Dn

≠ –1 then PC + d ⇒ PC)

DBcc Dn,

〈label〉

DIVS

DIVSL

Destination/Source

⇒ Destination

DIVS.W

〈ea〉,Dn

32/16

⇒ 16r:16q

DIVS.L

〈ea〉,Dq

32/32

⇒ 32q

DIVS.L

〈ea〉,Dr:Dq

64/32

⇒ 32r:32q

DIVSL.L

〈ea〉,Dr:Dq

32/32

⇒ 32r:32q

DIVU

DIVUL

Destination/Source

⇒ Destination

DIVU.W

〈ea〉,Dn

32/16

⇒ 16r:16q

DIVU.L

〈ea〉,Dq

32/32

⇒ 32q

DIVU.L

〈ea〉,Dr:Dq

64/32

⇒ 32r:32q

DIVUL.L

〈ea〉,Dr:Dq

32/32

⇒ 32r:32q

EOR

Source

⊕ Destination ⇒ Destination

EOR Dn,

〈ea〉

EORI

Immediate Data

⊕ Destination ⇒ Destination

EORI #

〈data〉,〈ea〉

EORI

to CCR

Source

⊕ CCR ⇒ CCR

EORI #

〈data〉,CCR

EORI

to SR

If supervisor state

the Source

⊕ SR ⇒ SR

else TRAP

EORI #

〈data〉,SR

EXG

⇔ Ry

EXG Dx,Dy

EXG Ax,Ay

EXG Dx,Ay

EXG Ay,Dx

EXT

EXTB

Destination Sign-Extended

⇒ Destination

EXT.W Dn

extend byte to word

EXT.L Dn

extend word to long word

EXTB.L Dn

extend byte to long word

LLEGAL

SSP – 2

⇒ SSP; Vector Offset ⇒ (SSP);

SSP – 4

⇒ SSP; PC ⇒ (SSP);

SSp – 2

⇒ SSP; SR ⇒ (SSP);

Illegal Instruction Vector Address

⇒ PC

ILLEGAL

JMP

Destination Address

⇒ PC

JMP

〈ea〉

JSR

SP–4

⇒ SP; PC ⇒ (SP)

Destination Address

⇒ PC

JSR

〈ea〉

LEA

〈ea〉 ⇒ An

LEA

〈ea〉,An

LINK

SP – 4

⇒ SP; An ⇒ (SP)

⇒ An, SP + d ⇒ SP

LINK An,#

〈displacement〉

LPSTOP

If supervisor state

Immediate Data

⇒ SR

Interrupt Mask

⇒ External Bus Interface (EBI)

STOP

else TRAP

LPSTOP #

〈data〉

LSL,LSR

Destination Shifted by

〈count〉 ⇒ Destination

LSd1 Dx,Dy

LSd1 #

〈data〉,Dy

LSd1

〈ea〉

MOVE

Source

⇒ Destination

MOVE

〈ea〉,〈ea〉

MOVEA

Source

⇒ Destination

MOVEA

〈ea〉,An

MOVE from

CCR

⇒ Destination

MOVE CCR,

〈ea〉

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