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HT1132A Datasheet(PDF) 2 Page - Holtek Semiconductor Inc |
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HT1132A Datasheet(HTML) 2 Page - Holtek Semiconductor Inc |
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2 / 11 page  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. HT1132A 2 17th Nov ’98 |
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