ARM 汇编词汇缩写

CPSR   current program status register SPSR   Saved Process Status Registers SP     Stack Pointer LR     Link register PC     Program Counter ALU    Arithmetic and Logic Unit SWI    Software Interrupt Instruction FIQ    Fast Interrupt Request IRQ    Interrupt Request LSL    Logical Shift Left LSR    Logical Shift Right ASR Arithmetic Shift Right B Branch，表示分支。 BL Branch Link 表示带连接的分支