|-
| daa || 00100111 || 1 || + || - || X || X || tmp := a,
if nf then: if hf or [a and 0x0f > 9] then : tmp -= 0x06 if cf or [a > 0x99] then : tmp -= 0x60else: if hf or [a and 0x0f > 9] then : tmp += 0x06 if cf or [a > 0x99] then : tmp += 0x60endif,
tmp => flags, cf := cf or [a > 0x99],
hf := a.4 xor tmp.4, a := tmp