HT1132A Просмотр технического описания (PDF) - Holtek Semiconductor

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HT1132A

SPACE WAR LCD Game

Holtek Semiconductor 

HT1132A

Functional Description

Key description

• RESET

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.

• START/ON

This key can restart the game at any time.

However, the highest score record will be

saved.

• PAUSE

Pressing this key at any time temporarily

stops the on-going game. The screen will re-

main still and the sound effects will be

switched off. If it is pressed again, the game

continues.

• MUSIC

This key can turn off the melody sound effects

without influence on the game. Press it again,

and the music resumes.

• ATTACK

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.

• JOINT

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.

• 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.

• LEFT

Pressing this key moves the player’s space

shuttle to the left.

• RIGHT

Pressing this key moves the player’s space

shuttle to the right.

♦ LCD test pattern

First, press the ATTACK Key and hold it,

then press RESET or the START/ON Key.

All the pattern dots are shown on the

screen. When the ATTACK Key is released,

the game program is executed.

♦ 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)

Operational description

• MODE

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.

• MODE1

♦ START/ON Key is pressed and MODE1 is

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.

2

17th Nov ’98

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