The process context includes the general purpose registers, floating point registers, the special purpose registers, and other information necessary to restart a thread when it is dispatched. 进程上下文包含通用寄存器、浮点寄存器、特殊用途的寄存器和其他有关重启线程所需的信息。
R0-r31 shows the contents of general purpose registers. r0-r31显示通用寄存器的内容。
The AVR core combines a rich instruction set with 32 general purpose working registers. AVR内核具有丰富的指令集和32个通用工作寄存器。