7906 datasheet(467/531 Pages) RENESAS

467 / 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

20-62

BMI

BNE

BPL

←PC + cn t + REL

(BRA:–128 to +127,

BRAL: –32768 to +32767)

(cnt: Number of bytes of instruction)

←PG + 1

(When carry occurs)

←PG – 1

(When borrow occurs)

BRA/BRAL

(Note 5)

←PC + 2

M(S)

←PG

←S – 1

M(S)

←PCH

←S – 1

M(S)

←PCL

←S – 1

M(S)

←PSH

←S – 1

M(S)

←PSL

←S – 1

←1

PCL

←ADL

PCH

←ADM

←0016 or FF16

BRK

(Note 6)

00 15 2

BVC

BVS

BSR

BSS

(Note 7)

BSC

(Note 7)

01 7 3

71 11 4

01 7 3

71 11 4

(S)

←PC + 2

←PC + 2 + REL (–1024 to

+1023)

–

16/8

–

16/8

–

if N = 1

then PC

←PC + 2 + REL (–128 to

+127)

if Z = 0

then PC

←PC + 2 + REL (–128 to

+127)

if N = 0

then PC

←PC + 2 + REL (–128 to

+127)

if A(bit n) or M(bit n) = 0

(n = 0 to 15), then PC

←PC + cnt +

REL (–128 to +127)

(cnt: Number of bytes of instruction)

if A(bit n) or M(bit n) = 1 (n = 0 to

15), then PC

←PC + cnt + REL

(–128 to +127)

(cnt: Number of bytes of instruction)

if V = 0

then PC

←PC + 2 + REL (–128 to

+127)

if V = 1

then PC

←PC + 2 + REL (–128 to

+127)

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