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NEC PD75402A User Manual

Page 169

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158

CHAPTER 9. INSTRUCTION SET

mem. bit

f mem. bit

mem. bit

f mem. bit

mem. bit

f mem. bit

mem. bit

f mem. bit

SKTCLR

f mem. bit

AND 1

CY, f mem. bit

OR 1

CY, f mem. bit

XOR 1

CY, f mem. bit

BRCB

! caddr

CALLF

! faddr

RET

RETS

RETI

PUSH

rp

POP

rp

IE

×××

IE

×××

IN

A, PORTn

OUT

PORTn, A

HALT

STOP

NOP

Operation Code

B

1

B

2

Operand

Note

1. Instruction Group

2. Branch instructions

3. I/O instructions

4. CPU control instructions

1

0

B

1

B

0

0

1

0

1

1

0

0

1

1

1

0

1

1

0

B

1

B

0

0

1

0

0

1

0

0

1

1

1

0

0

1

0

B

1

B

0

0

1

1

1

1

0

1

1

1

1

1

1

1

0

B

1

B

0

0

1

1

0

1

0

1

1

1

1

1

0

1

0

0

1

1

1

1

1

1

0

1

0

1

1

0

0

1

0

1

0

1

1

1

0

1

0

1

1

1

1

0

0

0

0

0

0

A

3

A

2

A

1

A

0

1

1

1

1

S

3

S

2

S

1

S

0

0

1

0

1

0

0

1

0

0

0

1

1

1

0

1

1

1

0

1

1

1

0

0

0

0

0

1

1

1

0

1

1

1

1

0

1

0

0

1

0

P

1

1

0

1

0

0

1

0

P

1

0

1

0

0

1

1

1

0

1

1

0

0

1

1

1

0

1

1

0

0

1

1

1

0

0

1

0

0

1

1

1

0

0

1

0

1

0

0

0

1

1

1

0

0

1

0

0

1

1

1

0

0

1

1

1

0

1

1

0

0

1

1

1

0

1

0

1

1

0

0

0

0

0

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

bit-addr

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

bit-addr

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

bit-addr

D

7

D

6

D

5

D

4

D

3

D

2

D

1

0

bit-addr

bit-addr

bit-addr

bit-addr

bit-addr

caddr

faddr

1

0

1

1

0

0

1

0

1

0

0

1

1

N

2

N

1

N

0

1

0

1

1

0

0

1

0

1

0

0

1

1

N

2

N

1

N

0

1

1

1

1

0

N

2

N

1

N

0

1

1

1

1

0

N

2

N

1

N

0

1

0

1

0

0

0

1

1

1

0

1

1

0

0

1

1

EI

BR

$addr

DI

SET 1

CLR 1

SKT

SKF

Mnemonic

Note 1

Memory bit manipulation instructions

Note 2

Subroutine and

stack instructions

Note 4

Note 3

Interrupt control

instructions

~

~

(+16)

(+ 2)
(– 1)

(–15)

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