基于8086四种波形发生器仿真设计-微机原理汇编仿真资料

Posted 2021-05-15 Mr song song

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out dx,al
   in ax,0000H 
   
   cmp al,11111111b  ;默认波形，正弦波
   jz  sinewave
   cmp al,11111110b    
   jz sinewave
   cmp al,11111101b      
   jz sawtoothwave
   cmp al,11111011b     
   jz triangularwave
   cmp  al,11110111b     
   jz squarewave
   cmp al,11101111b    
   jz squarewave
   cmp al,11011111b      
   jz sinewave
   jmp start 
   
   

  
  sawtoothwave:;锯齿波的产生
  mov dx,0200h
  zn:
    mov cx,0ffh
    mov al,00h