UPD75402ACT datasheet(27/48 Pages) NEC

27 / 48 page

µPD75402A(A)

Instruc-

tion

group

Transfer

instruc-

tion

Arithme-

tic/

logical

instruc-

tion

Accumu-

lator

manipu-

lation

instruc-

tion

Incre-

ment/

decre-

ment

instruc-

tion

Compari-

son

instruc-

tion

Carry flag

manipu-

lation

instruc-

tion

Mne-

monic

MOV

XCH

MOVT

ADDS

ADDC

AND

XOR

RORC

NOT

INCS

DECS

SKE

SET1

CLR1

SKT

NOT1

Operand

A, #n4

XA, #n8

HL, #n8

A, @HL

@HL, A

A, mem

XA, mem

mem, A

mem, XA

A, @HL

A, mem

XA, mem

A, reg1

XA, @PCXA

A, #n4

A, @HL

reg

mem

reg

reg, #n4

A, @HL

Number

bytes

Skip

condition

String A

String B

carry

reg = 0

(mem) = 0

reg = FH

reg = n4

A = (HL)

CY = 1

Address-

ing area

Operation

← n4

← n8

← (HL)

(HL)

← A

← (mem)

(mem)

← A

(mem)

← XA

↔ (HL)

↔ (mem)

↔ reg1

← (PC10-8 + XA)ROM

← A + n4

← A + (HL)

A, CY

← A + (HL) + CY

← A

∧ (HL)

← A

∨ (HL)

← A

∨ (HL)

← A0, A3 ← CY, An–1 ← An

← A

reg

← reg + 1

(mem)

← (mem) + 1

reg

← reg – 1

Skip if reg = n4

Skip if A = (HL)

← 1

← 0

Skip if CY = 1

← CY

Ma-

chine

cycle

1 + S

2 + S

1 + S

2 + S

1 + S

UPD75402ACT Datasheet(PDF) 27 Page - NEC

UPD75402ACT Datasheet(HTML) 27 Page - NEC

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