Electronic game apparatus

Claim 1

An electronic game apparatus performing a gaming function for use with a device having a diverse primary function comprising: means for selecting between said primary function in a primary mode and said gaming function in a gaming mode; display means for displaying a plurality of characters at a plurality of display positions, said display means further displaying one or more target symbols and corresponding game indicia when in said gaming mode; key input means for introducing information into said device, said key input means further introducing game play information in said gaming mode, said key input means including at least one shift key, a shot key and a class selection key, said class selection key selecting game difficulty in said gaming mode; target generation means, responsive to selection of said gaming mode, for simultaneously developing a plurality of sequentially varying target symbols at randomly selected ones of said plurality of display positions; shift means, responsive to actuation of said at least one shift key for shifting a battery game indicia between said display positions; shot means, responsive to actuation of said shot key, for determining the coincidence between said battery game indicia and any one of said target symbols and upon a coincidence thereof developing a score based on the variation of said one of said target symbols present upon actuation of said shot key; score means, responsive to said score developed by said shot means, for accumulating a game score by adding each score developed thereby to a total score; and difficulty varying means, responsive to actuation of said class selection key, for varying game difficulty by varying the speed at which said target symbols are sequentially varied by said target generation means; said target generation means, shift means, shot means, score means and difficulty varying means being collectively comprised by a central processing means (CPU); said CPU comprising a ROM, a RAM, and an arithmetic and logical unit; wherein said RAM comprises; data register means for storing symbol data representative of one or more said target symbols; data-figure register means for storing position data representative of one or more of the display positions of said target symbols; score register means for storing said total score; point register means for storing said score; game indicia-position register means for storing the display position of the battery game indicia; timer counter for counting a period of shooting said one or more target symbols with the battery game indicia; class register means for storing a difficulty class indicative of the selected game difficulty; and count-up register means for incrementing the data representative of the variation in said target symbols.