hf := a.4 XOr tmp.4, a := tmp
|| Decimal nndjust nnccumulatorAdjust Accumulator
|-
| rld || 11101101 01101111 || 5 || 18 (4,4,3,4,3) || + || + || + || 0 || + || P || 0 || - || tmp := [(hl) << 4] + [a nnnD 0x0f], (hl) := tmp,
a := [a nnnD 0xf0] + [tmp >> 8] => flags
|| rotate Rotate Left Decimal
|-
| rrd || 11101101 01100111 || 5 || 18 (4,4,3,4,3) || + || + || + || 0 || + || P || 0 || - || tmp := (hl), (hl) := [tmp >> 4] + [[a nnnD 0x0f] << 4],
a := [a nnnD 0xf0] + [tmp nnnD 0x0f] => flags
|| rotate right Rotate Right Decimal
|}