UPD78C18GQ-XXX-36 查看數據表（PDF） - NEC => Renesas Technology

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UPD78C18GQ-XXX-36

8-BIT SINGLE-CHIP MICROCONTROLLER (WITH A/D CONVERTER)

NEC => Renesas Technology 

µPD78C17,78C18

(e) L0

When the “MVI L, byte;LXI H, word” instruction is stacked, this flag is set (1). In all other cases, it is

reset (0).

(f) CY (Carry)

When a 16-bit operation generates a carry out of or a borrow into bit 7 or 15, this flag is set (1). In all

other cases, it is reset (0).

When one of 35 types of ALU instructions, rotation instructions, or carry manipulation instructions is

executed, various flags are affected as shown in Table 2-1.

Table 2-1 Flag Operations

Operation

reg, memory

immediate

ADD

ADC

SUB

SBB

DADD

ADDW

ADCW

SUBW

SBBW

ADDX

ADCX

SUBX

SBBX

DADC

DSUB

DSBB

EADD

ESUB

ANA

ORA

XRA

DAN

ANAW

ORAW

XRAW

ANAX

ORAX

XRAX

DOR

DXR

ADDNC ADDNCW ADDNCX

SUBNB SUBNBW SUBNBX

GTA

GTAW GTAX

LTA

LTAW LTAX

DADDNC

DSUBNB

DGT

DLT

ONA

OFFA

DON

ONAW ONAX

OFFAW OFFAX

DOFF

NEA

EQA

DNE

NEAW

EQAW

NEAX

EQAX

DEQ

INR

DCR

DAA

INRW

DCRW

ADI

ACI

SUI

SBI

ANI

ORI

XRI

ADINC

SUINB

GTI

LTI

ONI

OFFI

NEI

EQI

ANIW

ORIW

GTIW

LTIW

ONIW

OFFIW

NEIW

EQIW

RLR

DRLR

SLRC

STC

CLC

RLL SLR SLL

DRLL DSLR DSLL

SLLC

MVI A, byte

MVI L, byte

LXI H, word

Other All instructions

D6 D5 D4 D3 D2 D0

skip Z SK HC L1 L0 CY

0

00

0q0 0q

00

q0 0q

00

0 0q

0

00

q0q0 0

q

q0 0

q0 q0 01

q0 q0 00

q 0 q1 0q

q0 q0 1q

BIT

SK

SKN q

q 0 0q

SKIT

SKN IT

RETS q 1 q 0 0 q

q 0q 0 0q

........

1 ........

0 ........

q ........

Affected

(Set or Reset)

Set

Reset

No† affected

18

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