The 8051 Microcontroller and Embedded

Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

FLAG BITS AND PSW REGISTER

ADD

Instruction And

PSW

X

CJNE

X

MOV C, bit

X

ORL C, /bit

X

ORL C, bit

X

ANL C, /bit

X

ANL C, bit

X

CPL C

0

CLR C

1

SETB C

X

PLC

X

RPC

X

DA

X

0

DIV

X

0

MUL

X

X

X

SUBB

X

X

X

ADDC

X

X

X

ADD

AC

OV

CY

Instruction
Instructions that affect flag bits