EDA\100计时器.txt ...\64位计数器.txt ...\8位走马灯.doc ...\pmw.txt ...\tiaoshi.txt ...\二四译码器.txt ...\八段译码器.txt ...\十二进制计数器.txt ...\双向移位寄存器.txt ...\四位全加器.txt ...\四位减法.txt ...\奇偶校验.txt ...\延时左移循环寄存器.txt ...\循环显示13579.txt ...\移位寄存器.txt ...\而选一.txt ...\表决器.txt ...\转换成BCD码.txt ...\选择器.txt ...\选择计数.txt ...\高级计数器.txt EDA