NEC PD17062 User Manual

Page 280

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280

µ

PD17062

Instruction code

Mne-

monic

PUSH

POP

PEEK

POKE

GET

PUT

BR

CALL

RET

RETSK

RETI

EI

DI

STOP

HALT

NOP

Operand

AR

AR

WR, rf

rf, WR

DBF, p

p, DBF

addr

@AR

addr

@AR

s

h

Instruction

set

Transfer

Branch

Sub-

routine

Op code

00111

00111

00111

00111

00111

00111

01100

01101

00111

11100

00111

00111

00111

00111

00111

00111

00111

00111

00111

000

000

rf

R

rf

R

p

H

p

H

000

000

000

001

100

000

001

010

011

100

0000

0000

rf

C

rf

C

p

L

p

L

0000

0000

0000

0000

0000

0000

0000

s

h

0000

Operation

Operand

addr

addr

1101

1100

0011

0010

1011

1010

0100

0101

1110

1110

1110

1111

1111

1111

1111

1111

Interrupt

Others

SP

←

SP – 1, ASR

←

AR

AR

←

ASR, SP

←

SP + 1

WR

←

(rf)

(rf)

←

WR

DBF

←

(p)

(p)

←

DBF

PC

10-0

←

addr, PAGE

←

0

PC

10-0

←

addr, PAGE

←

1

PC

←

AR

SP

←

SP – 1, ASR

←

PC,

PC

11

←

0, PC

10-0

←

addr

SP

←

SP – 1, ASR

←

PC,

PC

←

AR

PC

←

ASR, SP

←

SP + 1

PC

←

ASR, SP

←

SP + 1 and skip

PC

←

ASR, INTR

←

INTSK, SP

←

SP + 1

INTEF

←

1

INTEF

←

0

STOP

HALT

No operation

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