Ultima 2: Revenge of the Enchantress

Key	Effect
A	Attack with the weapon you are holding. Unless fighting in a dungeon or tower, you must then indicate an attack direction.
B	Board a plane, ship or other form of transportation, or mount a horse. You must be standing on the object to board or mount it. Use eXit to get out or get off.
C	Cast a spell. You must first prepare the spell, using Magic. Spells can only be cast in dungeons and towers.
D	Descend a level in a dungeon or tower.
E	Enter a town, castle, dungeon or other landmark, or read a sign. You must be standing on the entrance to enter.
F	Fire your ship's guns.
G	Get an item. You must be standing on the item to get it.
H	Hyperspace your spaceship to the coordinates you specify.
I	Ignite a torch.
J	Jump up and down.
K	Climb up a level in a dungeon or tower.
L	Launch or Land in a plane or rocket, but only on grass.
M	Magic readies a magic spell you know for casting.
N	Negate the passage of time for all things farther than one square from you - if you posses a specific magic item.
O	Offer gold as payment or bribe.
Q	Quit and save your progress to disk. You can resume the game later from the point you quit. Available only while on Earth and on foot, in the countryside.
R	Ready a specified weapon.
S	Steal from a store without paying for it. This may or may not work, and you should have an escape route planned.
T	Transact business, or just start a conversation, with townspeople, merchants or royalty. Must be followed by a direction command.
U	Unlock doors if you possess the keys. You must indicate the direction of the door.
V	View to toggle between normal view and bird's-eye view of town or planet. You must possess a specific magic item.
W	Wear a suit of armour that you own.
X	eXit or dismount you current transportation and travel on foot.
Y	Yell anything you can type. Often used in combination with Jump.
Z	Stats to display your vital statistics, possessions and spells. Also pauses the game.
SPACEBAR	Pass time and eat