Online chessboard of Chinese chess and chess
A chess and chess technology, applied in board games, special data processing applications, sports accessories, etc., can solve inevitable errors and other problems, and achieve the effect of avoiding lag and mistakes
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[0024] The pulse generated by the clock pulse generator (6) drives the ordinate counter (5) to change cyclically in the value from 1 to 10, and its overflow pulse is used as the count pulse of the abscissa counter (4) to drive it to change in the value from 1 to 9 . Their outputs are respectively used as the control signals of the ordinate decoder (2) and the abscissa decoder (3). When the identification signal Xi of the abscissa decoder and the identification signal Yj decoded by the ordinate decoder are both high potential, that is, the grape discriminator whose address is XiYj is selected, as Figure three , when there is a chess piece on the checkerboard grid point with the address XiYj, the position sensor 21 installed under it outputs a high potential, if the original state of the R-S flip-flop as its state memory is 0, that is, the state of "no piece", then The Q terminal of the R-S flip-flop is at a high potential, so that a negative pulse is output at the output term...
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