HT1137A Holtek Semiconductor Inc, HT1137A Datasheet - Page 2

• Manufacturer Part Number: HT1137A
• Description: Motorcycle LCD Game
• Manufacturer: Holtek Semiconductor Inc

Functional Description
Key description
START/ON
During power OFF state, pressing this key
turns on the power and starts the game. In the
power ON condition, pressing this key starts
a new game.
RESET
This key can be pressed at any time to reset
the game thus returning it to the starting
mode, and the highest score is cleared.
PAUSE
When the game is in progress, pressing this
key can temporarily stop the game. The
screen is frozen and all sound is muted. Press
it again, and the game continues. In the pause
condition, all keys are disabled except OFF,
START/ON, MUTE and PAUSE keys.
MUTE
This key switches the sound ON or OFF.
Sound is automatically on at reset or start.
Press once to switch the sound off.
OFF
The power is switched off when this key is
pressed.
ACC
Relative to the current speed and present gear
setting, the motorcycle increases or maintains
its speed when the ACC or acceleration is
pressed.
BRAKE
Pressing this key can decrease the speed
quickly. If the ACC key and this key are
pressed at the same time, then the speed
gradually decreases.
2
Operational description
Hi-Lo
In Lo gear, the highest speed is 150 kph. If, for
instance, you are riding at 100 kph and then
change to Hi, it’s possible to reach 300 kph.
However, if the speed drops below 100 kph
and you’re still in Hi gear, the speed will
gradually decrease to zero.
LEFT
Shifting to the left can balance the left bound
centrifugal force in a left turn so that the
motorcycle will not be thrown to the right side
of the road.
RIGHT
Shifting to the right can balance the right
bound centrifugal force in a right turn so that
the motorcycle will not be thrown to the left
side of the road.
RESET+ ACC+ BRAKE
Press all of these keys at the same time and
then release the RESET key, all the patterns
will be shown.
When START/ON is pressed, a prelude is
played and the highest record and score are
shown. When “GO!” is displayed, the motorcy-
cles are revved-up to start.
The time limit for each minor stage is 90
seconds. The higher the stage is, the more the
opponents appear on the road. Hence, the
player must avoid time wasting collisions and
reach the destination within the given time in
order to pass through to the next stage.
HT1137A
19th Nov ’98