LDQ            LDQ Load Q Pseudo register                             LDQ

  Operation:  Q <- M                                    N V - B D I Z C
                                                        / . . . . . / .

 4510 Versions:

  +----------------+-----------------------+---------------+---------+----------+
  | Addressing Mode| Assembly Language Form|    OP CODE    |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------------+---------+----------+
  |ZeroPage Quad   |   LDQ $FF             |$42 $42 $A5    |    4    |    8r    |
  |Absolute Quad   |   LDQ $FFFF           |$42 $42 $AD    |    5    |    9r    |
  |(Indirect Quad) |   LDQ ($FF)           |$42 $42 $B2    |    4    |   10ipr  |
  |[Indirect Quad] |   LDQ [$FF]           |$42 $42 $EA $B2|    5    |   13ipr  |
  +----------------+-----------------------+---------------+---------+----------+
  i Add 1 if clock speed is at 40 MHz
  p Add 1 if page boundary is crossed
  r Add 1 if clock speed is at 40 MHz