The Ocean Battle

Since the game instructions are in Japanese,
Roll to Left       : [ cursor left ] key
Roll to Right       : [ cursor right ] key
Nose Up           : [ cursor down ] key
Nose Down         : [ cursor up ] key
Thrust Up         : [ A ] key
Thrust Down         : [ Z ] key
Shoot             : [ space ] key
Missle           : [ M ] key
Appear the area map   : [ Q ] key
Disappear the area map : [ W ] key
Normal view         : [ F1 ] key ( camera is fixed )
Extend view1       : [ F2 ] key ( inside view )
Extend view2       : [ F3 ] key ( outside view )
Pause             : [ ESC ] key