MC68331TS datasheet(46/84 Pages) FREESCALE

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MC68331TS/D

4.6 Instruction Set Summary

Table 20 Instruction Set Summary

Instruction

Syntax

Operand Size

Operation

ABCD

Dn, Dn

− (An), − (An)

Source10 + Destination10 + X ⇒ Destination

ADD

Dn, <ea>

<ea>, Dn

8, 16, 32

Source

+ Destination ⇒ Destination

ADDA

<ea>, An

16, 32

Source

+ Destination ⇒ Destination

ADDI

#<data>, <ea>

8, 16, 32

Immediate data

+ Destination ⇒ Destination

ADDQ

# <data>, <ea>

8, 16, 32

Immediate data

+ Destination ⇒ Destination

ADDX

Dn, Dn

− (An), − (An)

8, 16, 32

Source

+ Destination + X ⇒ Destination

AND

<ea>, Dn

Dn, <ea>

8, 16, 32

Source

• Destination ⇒ Destination

ANDI

# <data>, <ea>

8, 16, 32

Data

• Destination ⇒ Destination

ANDI to CCR

# <data>, CCR

Source

• CCR ⇒ CCR

ANDI to SR11

# <data>, SR

Source

• SR ⇒ SR

ASL

Dn, Dn

# <data>, Dn

<ea>

8, 16, 32

ASR

Dn, Dn

# <data>, Dn

<ea>

8, 16, 32

Bcc

label

8, 16, 32

If condition true, then PC

+ d ⇒ PC

BCHG

Dn, <ea>

# <data>, <ea>

8, 32

BCLR

Dn, <ea>

# <data>, <ea>

8, 32

⇒ bit of destination

BGND

none

If background mode enabled, then enter background

mode, else format/vector

⇒ − (SSP);

⇒ − (SSP); SR ⇒ − (SSP); (vector) ⇒ PC

BKPT

# <data>

none

If breakpoint cycle acknowledged, then execute

returned operation word, else trap as illegal instruction

BRA

label

8, 16, 32

+ d ⇒ PC

BSET

Dn, <ea>

# <data>, <ea>

8, 32

⇒ bit of destination

BSR

label

8, 16, 32

− 4 ⇒ SP; PC ⇒ (SP); PC + d ⇒ PC

BTST

Dn, <ea>

# <data>, <ea>

8, 32

CHK

<ea>, Dn

16, 32

If Dn < 0 or Dn > (ea), then CHK exception

CHK2

<ea>, Rn

8, 16, 32

If Rn < lower bound or Rn > upper bound, then

CHK exception

CLR

<ea>

8, 16, 32

⇒ Destination

CMP

<ea>, Dn

8, 16, 32

(Destination

− Source), CCR shows results

CMPA

<ea>, An

16, 32

(Destination

− Source), CCR shows results

CMPI

# <data>, <ea>

8, 16, 32

(Destination

− Data), CCR shows results

X/C

bit number

〉of destination)

bit of destinatio

⇒⇒

bit number

〈〉of destination

()

bit number

〈〉of destination

()

⇒

bit number

〈〉of destination

()

⇒

Freescale Semiconductor, Inc.

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