NEC PD17062 Manuale Utente

NEC

279

µ

PD17062

22.3 LIST OF INSTRUCTION SETS

Instruction

set

Add

Subtract

Logical

operation

Test

Compare

Rotation

Transfer

Mne-

monic

ADD

ADDC

INC

SUB

SUBC

OR

AND

XOR

SKT

SKF

SKE

SKNE

SKGE

SKLT

RORC

LD

ST

MOV

MOVT

Operand

r, m

m, #n4

r, m

m, #n4

AR

IX

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

m, #n

m, #n

m, #n4

m, #n4

m, #n4

m, #n4

r

r, m

m, r

@r, m

m, @r

m, #n4

DBF, @AR

Instruction code

Op code

00000

10000

00010

10010

00111

00111

00001

10001

00011

10011

00110

10110

00100

10100

00101

10101

11110

11111

01001

01011

11001

11011

00111

01000

11000

01010

11010

11101

00111

Operand

m

R

m

R

m

R

m

R

000

000

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

m

R

000

m

R

m

R

m

R

m

R

m

R

000

m

C

m

C

m

C

m

C

1001

1000

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

m

C

0111

m

C

m

C

m

C

m

C

m

C

0001

r

n4

r

n4

0000

0000

r

n4

r

n4

r

n4

r

n4

r

n4

n

n

n4

n4

n4

n4

r

r

r

r

r

n4

0000

Operation

(r)

←

(r) + (m)

(m)

←

(m) + n4

(r)

←

(r) + (m) + CY

(m)

←

(m) + n4 + CY

AR

←

AR + 1

IX

←

IX + 1

(r)

←

(r) – (m)

(m)

←

(m) – n4

(r)

←

(r) – (m) – CY

(m)

←

(m) – n4 – CY

(r)

←

(r)

∨

(m)

(m)

←

(m)

∨

n4

(r)

←

(r)

∧

(m)

(m)

←

(m)

∧

n4

(r)

←

(r)

∨

(m)

(m)

←

(m)

∨

n4

CMP

←

0, if (m)

∧

n = n, then skip

CMP

←

0, if (m)

∧

n = 0, then skip

(m) – n4, skip if zero

(m) – n4, skip if not zero

(m) – n4, skip if not borrow

(m) – n4, skip if borrow

→

CY

→

(r)

b3

→

(r)

b2

→

(r)

b1

→

(r)

b0

(r)

←

(m)

(m)

←

(r)

if MPE = 1: (MP, (r))

←

(m)

if MPE = 0: (BANK, m

R

, (r))

←

(m)

if MPE = 1: (m)

←

(MP, (r))

if MPE = 0: (m)

←

(BANK, m

R

, (r))

(m)

←

n4

SP

←

SP – 1, ASR

←

PC, PC

←

AR,

DBF

←

(PC), PC

←

ASR, SP

←

SP + 1