reciprocal.asm

来自「DSP学习讲座」· 汇编 代码 · 共 24 行

zero  .set 0        
      .data      
reciprocal_input    
      .float 3.40282347e+38       
input_end
reciprocal_output  .space 0x100 
      .text      
reciprocal_int:
      mvkl reciprocal_input,a0
      mvkh reciprocal_input,a0
      mvkl reciprocal_output,a1
      mvkh reciprocal_output,a1
      mvk  zero,a2   
      mvc  a2,faucr ;对浮点配置寄存器初始化.
reciprocal_task:
      ldw  *a0++,b1
      nop  4     
      rcpsp b1,b3
      nop  2
      stw  b3,*a1++
end:  b    end
      nop 5
      .end