Nintendo Entertainment System Documentation v0.53 (japanese)
@Nintendo
Published in
Famicom
· 21 Jun 2020
... S = Zapper sprite detection | | | | | 0 = スプライトnot detected | | | | | 1 = スプライトdetected in front of | | | | | crosshair | | | | | T = Zapper trigger | | | | | 0 = Pressed | | | | | 1 = Not pressed | | | | | e = 拡張ポートデータ | | | | | d = ジョイパッドデータ (セクション#8参照| | | +---------------------------------------------+ | | | ?????eej | [WRITING] | | | | | | | | | | j = ジョイパッドストローブ | | | | | 0 = Clear joypad strobe | | | | | 1 = Reset joypad strobe | | | | | e = 拡張ポートデータ | +---------+-------+----------+---------- ...
