FLAGS SET (a 1-bit) CLEARed (a 0-bit)
--------------- --------------- -------------------
Overflow of = OV NV [No Overflow]
Direction df = DN (decrement) UP (increment)
Interrupt if = EI (enabled) DI (disabled)
Sign sf = NG (negative) PL (positive)
Zero zf = ZR [zero] NZ [ Not zero]
Auxiliary Carry af = AC NA [ No AC ]
Parity pf = PE (even) PO (odd)
Carry cf = CY [Carry] NC [ No Carry]