Atmel 8051 - 1.12 Instructions That Affect Flag Settings

The 8051 Instruction Set
Atmel 8051 Microcontrollers Hardware Manual 1-20
4316B–8051–02/04
1.12 Instructions That
Affect Flag
Settings
Note: Operations on SFR byte address 208 or bit addresses 209-215 (that is, the PSW or bits in the PSW) also affect flag settings.
Table 1-13. Instructions that affect Flag Settings
Instruction Flag Instruction Flag
COVAC COVAC
ADD X X X CLR C O
ADDC X X X CPL C X
SUBB X X X ANL C,bit X
MUL O X ANL C,/bit X
DIV O X ORL C,bit X
DA X ORL C,/bit X
RRC X MOV C,bit X
RLC X CJNE X
SETB C 1