滚动输出文字 有限状态机：初始、左移、右移、直通 虚拟位、纯状态机-Scroll through the output text Finite state machines: the initial, left, shift right, straight Virtual spaces, pure state machine

FPGA开发，在8x8点阵上实现左右，上线滚动显示文字。以及变色显示文字。通过按键切换功能-FPGA development, implementation around the 8x8 matrix, the on-line scrolling display text. And color display text. By switching function keys