用于控制Altera Avalon总线设备的一个微型的状态机，可以运行类似汇编语言的scr ipt，比Nios II CPU占用的资源少许多，可以生成明文的源代码-A tiny state machine used to control Altera Avalon bus devices. It can run　scr ipt language similar to the assembly , occupied much less cells than the Nios II CPU resources. It can generate un-encrypted source code