HT113FA datasheet(4/11 Pages) HOLTEK

4 / 11 page

♦ The eleventh route: C6

→ B9 → B13

♦ The enemy’s bombs drop vertically.

♦ The enemy submarine fires torpedoes from

left to right.

• After all the nine levels are completed, the

game is re-initiated from level 7-1. However,

the score is continually incremented until a

score of 9990 is reached. When 9990 is the

current score, the system will record it as the

highest score. Then the score is cleared to

zero.

Counting methods

• 20 points are awarded when the enemy’s

bombers or warships are hit in the upper wa-

terway.

• 10 points are awarded when the enemy’s

bombers or warships are hit in the lower wa-

terway.

• 10 points are awarded when the enemy’s sub-

marine is hit by a torpedo.

• 5 points are awarded when a round is com-

pleted and the player’s submarine has not

been hit.

Sound effects

• Music when a game begins

• Sound when the player’s submarine arrives

(three times)

• Howling sound when the bomber appears

• Sound when the bomber drops a bomb

• Sound when the submarine fires a missile

• Sound when the submarine fires a torpedo

• Music when scores are added

• Music when a round is completed

• Explosion sound

• Sound when two bombs hit each other

• Sound when a game is over

HT113FA

25th Nov ’98

HT113FA Datasheet(PDF) 4 Page - Holtek Semiconductor Inc