一些vhdl的常用程序，包括键盘扫描-instantiate some common procedures, including scanning keyboard, etc

声卡示波器程源代码,基于个人电脑的示波器带有触发功能，带有数字存储示波器的常见功能。-sound card oscilloscope Yuan Cheng code on the PC oscilloscope with a trigger function, Digital storage oscilloscope with a common function.

上传几个比较常见的例题，有益于掌握汇编的基础知识 希望共同探讨-Upload a few of the more common Example conducive to master the basics of compiling hope to explore