control instruction register

基本解释

To improve data transmission rate of JTAG interface, instruction register and related control logic are redesigned.
控制器：控制器是由程序计数器、指令寄存器和操作控制器等组成。
Control unit(controller): Control unit is composed of program arithmometer, instruction register and operation controller, ect.
控制器：控制器是由程序计数器、指令存放器跟操作控制器等组成。
The target of the jump instruction itself may be hidden by computing its address in a register and using an indirect jump instruction to transfer control to the address in that register.
可能通过在某个寄存器中计算目标地址、并且使用间接跳转指令把控制传给该寄存器中的地址，把跳转指令本身的目标隐藏起来。