What are the mnemonics used by CodeView and DEBUG for the flag states?
CY = carry, NC = no carry, OV = overflow, NV = no overflow, UP = direction up, DN = direction down, EI = enable interrupts, DI = disable interrupts, PL = sign flag clear, NG = sign flag set, NZ = zero flag clear, ZR = zero flag set, NA = no auxiliary carry, AC = auxiliary carry, PO = odd parity, PE = even parity.