Microcontroller User's Guide

USER’S GUIDE
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Program Status Flags
All of the Program Status flags are contained in the PSW
register. Instructions which affect the states of the flags
are summarized below.
INSTRUCTIONS THAT AFFECT FLAG SETTINGS
INSTRUCTION
FLAGS
C OV AC INSTRUCTION
FLAGS
COV AC
ADD  CLR C 0
ADDC  CPL C 
SUBB  ANL C, bit 
MUL 0  ANL C, bit

DIV 0  ORL C, bit 
DA  ORL C, bit

RRC  MOV C, bit 
RLC  CJNE 
SETB C 1
LEGEND:
0 = Cleared to 0
1 = Set to a 1
 = Modified according to the result of the operation.