7906 datasheet(469/531 Pages) RENESAS

469 / 531 page

L(DIR), Y

Function

Operation

length (Bit)

Addressing Modes

op n #

IMP

IMM

DIR

DIR, X DIR, Y (DIR) (DIR, X) (DIR), Y

Symbol

L(DIR)

op n #

op n # op n # op n #

op n #

APPENDIX

Appendix 6. Machine instructions

7906 Group User’s Manual Rev.2.0

20-64

←0

CLC

←0

CLI

←0

CLM

45 3 1

14 1 1

15 3 1

CBNE

(Notes 1 and

CBNEB

(Note 1)

B6 6 3 41 9 5

81 7 4

B2 6 3 72 8 4

81 7 4

PSL(bit n)

←0

(n = 0 to 7. Multiple bits can

be specified.)

CLP

98 4 2

Acc

←0

CLR

(Note 1)

AccL

←0016

CLRB

(Note 1)

54 1 1

81 2 2

44 1 1

81 2 2

←0

CLRX

←0

CLRY

E4 1 1

F4 1 1

←0

CLRM

←0016

CLRMB

D2 5 2

C2 5 2

A6 6 3 41 9 5

81 7 4

CBEQ

(Notes 1 and

CBEQB

(Note 1)

A2 6 3 62 8 4

81 7 4

16/8

–

16/8

if Acc = IMM or M = IMM

then PC

←PC + cnt + REL(–128 to

+127)

(cnt: Number of bytes of instruction)

if AccL = IMM8 or M8 = IMM8

then PC

←PC + cnt + REL (–128 to

+127)

(cnt: Number of bytes of instruction)

if Acc

≠ IMM or M ≠ IMM

then PC

←PC + cnt + REL (–128 to

+127)

(cnt: Number of bytes of instruction)

if AccL

≠ IMM8 or M8 ≠ IMM8

then PC

←PC+cnt+REL(–128 to

+127)

(cnt: Number of bytes of instruction)

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