USB键盘和鼠标开发，基于D12芯片，双端点设置-USB keyboard and mouse development, based on the D12-chip, dual-end set

双端口SDRAM控制器，将SDRAM虚拟成两个端口，已经在ALTER DE2开发板的硬件上验证通过，采用Verilog HDL语言编写。-Dual-port SDRAM controller, SDRAM virtual into two ports, have ALTER DE2 development board hardware verification by using the Verilog HDL language.