在修改cpu_a.s的过程中,遇到下面的不知道该怎么修改, /******************************************************************************************************** //@ PUBLIC FUNCTIONS @********************************************************************************************************/ .global CPU_IntDis .global CPU_IntEn .global CPU_SR_Save .global CPU_SR_Restore .global CPU_WaitForInt .global CPU_WaitForExcept .global CPU_CntLeadZeros .global CPU_CntTrailZeros .global CPU_RevBits 出现的出错误是: uC-CPU\cpu_a.s(38): error: A1163E: Unknown opcode CPU_IntDis , expecting opcode or Macro uC-CPU\cpu_a.s(39): error: A1163E: Unknown opcode CPU_IntEn , expecting opcode or Macro uC-CPU\cpu_a.s(41): error: A1163E: Unknown opcode CPU_SR_Save , expecting opcode or Macro uC-CPU\cpu_a.s(42): error: A1163E: Unknown opcode CPU_SR_Restore , expecting opcode or Macro uC-CPU\cpu_a.s(44): error: A1163E: Unknown opcode CPU_WaitForInt , expecting opcode or Macro uC-CPU\cpu_a.s(45): error: A1163E: Unknown opcode CPU_WaitForExcept , expecting opcode or Macro uC-CPU\cpu_a.s(48): error: A1163E: Unknown opcode CPU_CntLeadZeros , expecting opcode or Macro