《计算机系统要素》一书的PPT演讲稿，pdf格式的，网上只能找到这个版本的了，而且此书也脱销断货了，只找到这个以飨各位会员~-" Computer system elements," a book of PPT presentations, pdf format, online only to find this version of it, and this book is also out of stock out of stock, only to find that t

LCD_1602的显示程序 可显示多个数据 但必须是带字库的1602液晶-The LCD_1602 show program can show more data but must take word stock is the 1602 LCD

系统能售出面值为6角、7角、8角、9角的铅笔，购买者可以选择一种面值的铅笔购买。先通过显示看是否有所要购买的那种铅笔是否还有存货，有存货在投钱。购买时可投入一角、五角和一元的硬币，当所投入硬币达到或超过购买者所选面值时，再确认是否购买，确认购买后，就售出一支铅笔，每次只能售出一支铅笔，并找回剩余硬币，回到初始状态；当所投硬币值不足面值时，可以通过一个复位键退回所投硬币，回到初始状态。若取消购买，就退回投入的所有钱。-The system can be sold in denominations

utilizing verilog achieve the implement of lcd12864 (no word stock)display of Chinese characters-utilizing verilog achieve the implement of lcd12864 (no word stock)display of Chinese characters