MS51
Nov. 28, 2019
Page
133
of 491
Rev 1.00
MS51
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Bit
Name
Description
0
P
Parity flag
Set to 1 to indicate an odd number of ones in the accumulator. Cleared for an even number of ones.
It performs even parity check.
Instruction
CY
OV
AC
Instruction
CY
OV
AC
ADD
X
[1]
X
X
CLR C
0
ADDC
X
X
X
CPL C
X
SUBB
X
X
X
ANL C, bit
X
MUL
0
X
ANL C, /bit
X
DIV
0
X
ORL C, bit
X
DA A
X
ORL C, /bit
X
RRC A
X
MOV C, bit
X
RLC A
X
CJNE
X
SETB C
1
Note:
X indicates the modification depends on the result of the instruction.
Table 6.1-3 Instructions That Affect Flag Settings