HT1132A
Functional Description
Key description
•
•
LEFT
•
RESET
Pressing this key moves the player ’s space
shuttle to the left.
This key can clear the memory and registers
to zero or restore the default value in the
system. The internal program can be reiniti-
ated.
RIGHT
Pressing this key moves the player ’s space
shuttle to the right.
•
START/ON
♦
LCD test pattern
This key can restart the game at any time.
However, the highest score record will be
saved.
First, press the ATTACK Key and hold it,
then press RESET or the START/ON Key.
All the pa tt ern dots a re shown on the
screen. When the ATTACK Key is released,
the game program is executed.
•
PAUSE
Pressing this key at any time temporarily
stops the on-going game. The screen will re-
m a in st ill a nd t he sound effects will be
switched off. If it is pressed again, the game
continues.
♦
Auto off function key
When PPO of Port P is connected to VDD, it
automatically turns off after two minutes of
no activity. When PPO is connected to GND,
it automatically turns off after four minutes
of no activity. (*PPO cannot be floating)
•
•
MUSIC
This key can turn off the melody sound effects
without influence on the game. Press it again,
and the music resumes.
Operational description
•
MODE
ATTACK
There are two modes: MODE 1 and MODE 2.
When the RIGHT Key is pressed and then the
RESET or START/ON Key is pressed, it gets
into MODE2, otherwise MODE1.
This key is to fire the player ’s laser beam. It
has no effect when player ’s laser beam does
not hit enemy’s space shuttle or before it dis-
appears.
•
MODE1
•
•
J OINT
♦
START/ON Key is pressed and MODE1 is
When force enhancement machine is shifted
to the bottom, move the player ’s space shuttle
to the extreme right, and then press this key.
The player ’s space shuttle is with enhanced
power.
on. Highest stage and highest score are
shown on the screen. The game starts from
level 1-1; the score is counting from 0000;
and the player’s space shuttle appears.
OFF
Pressing this key at any time will stop the
system and remain in the HALT condition.
However, the highest score recorded will be
saved.
2
17th Nov ’98
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
