正弦波.asm

51常用子程序-4.0M.zip

;单路正弦波电压输出vpp(-5_5v)
         MOV  R5,#00H
   SIN:MOV  A,R5
       MOV  DPTR,#TABH
       MOVC  A,@A+DPTR
       MOV   DPTR,#0DFFFH
       MOVX   @DPTR,A
       INC   R5
       AJMP  SIN
  TAB:
      DB   80H, 83H, 86H, 89H, 8DH,90H,93H,96H
      DB   99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
      DB   0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H
      DB   0C7H,0CAH,0CCH,0CFH,0D1H,0D4H,0D6H,0D8H
      DB   0DAH,0DDH,0DFH,0E1H,0E3H,0E5H,0E7H,0E9H
      DB   0EAH,0ECH,0EEH,0EFH,0F1H,0F2H,0F4H,0F5H
      DB   0F6H,0F7H,0F8H,0F9H,0FAH,0FBH,0FCH,0FDH
      DB   0FDH,0FCH,0FBH,0FAH,0F9H,0F8H,0F7H,0F6H
      DB   0F5H,0F4H,0F2H,0F1H,0EFH,0EEH,0ECH,0EAH
      DB   0E9H,0E7H,0E5H,0E3H,0E1H,0DEH,0DDH,0DAH
      DB   0D8H,0D6H,0D4H,0D1H,0CFH,0CCH,0CAH,0C7H
      DB   0C5H,0C2H,0BFH,0BCH,0BAH,0B7H,0B4H,0B1H
      DB   0AEH,0ABH,0A8H,0A5H,0A2H,9FH,9CH,99H
      DB   96H,93H,90H,8DH,89H,86H,83H,80H
      DB   80H,7CH,79H,76H,72H,6FH,6CH,69H
      DB   66H,63H,60H,5DH,5AH,57H,55H,51H
      DB   4EH,4CH,48H,45H,43H,40H,3DH,3AH
      DB   38H,35H,33H,30H,2EH,2BH,29H,27H
      DB   25H,22H,20H,1EH,1CH,1AH,18H,16H
      DB   15H,13H,11H,10H,0EH,0DH,0BH,0AH
      DB   09H,08H,07H,06H,05H,04H,03H,02H
      DB   02H,01H,00H,00H,00H,00H,00H,00H
      DB   00H,00H,00H,00H,00H,00H,01H,02H
      DB   02H,03H,04H,05H,06H,07H,08H,09H
      DB   0AH,0BH,0DH,0EH,10H,11H,13H,15H
      DB   16H,18H,1AH,1CH,1EH,20H,22H,25H
      DB   27H,29H,2BH,2EH,30H,33H,35H,38H
      DB   3AH,3DH,40H,43H,45H,48H,4CH,4EH
      DB   51H,55H,57H,5AH,5DH,60H,63H,66H
      DB   69H,6CH,6FH,72H,76H,79H,7CH,80H
           
  ;程控正弦信号输出
           MOV  R5,#00H
           MOV R1,#40H
    DA1:MOV  A,R5
        MOV  DPTR,#TABH
        MOVC  A,@A+DPTR
        MOV   DPTR,#0DFFFH
        MOVX  @DPTR,A
        INC  R5
        MOV  A,@R1
        MOV  DPTR,#TAB
        MOVC  A,@A+DPTR
        MOV  DPTR,#0DFFFH
        MOVX   @DPTR,A
        INC  @R1
        AJMP  DA1
                        
  TAB:
      DB   80H, 83H, 86H, 89H, 8DH,90H,93H,96H
      DB   99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
      DB   0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H
      DB   0C7H,0CAH,0CCH,0CFH,0D1H,0D4H,0D6H,0D8H
      DB   0DAH,0DDH,0DFH,0E1H,0E3H,0E5H,0E7H,0E9H
      DB   0EAH,0ECH,0EEH,0EFH,0F1H,0F2H,0F4H,0F5H
      DB   0F6H,0F7H,0F8H,0F9H,0FAH,0FBH,0FCH,0FDH
      DB   0FDH,0FCH,0FBH,0FAH,0F9H,0F8H,0F7H,0F6H
      DB   0F5H,0F4H,0F2H,0F1H,0EFH,0EEH,0ECH,0EAH
      DB   0E9H,0E7H,0E5H,0E3H,0E1H,0DEH,0DDH,0DAH
      DB   0D8H,0D6H,0D4H,0D1H,0CFH,0CCH,0CAH,0C7H
      DB   0C5H,0C2H,0BFH,0BCH,0BAH,0B7H,0B4H,0B1H
      DB   0AEH,0ABH,0A8H,0A5H,0A2H,9FH,9CH,99H
      DB   96H,93H,90H,8DH,89H,86H,83H,80H
      DB   80H,7CH,79H,76H,72H,6FH,6CH,69H
      DB   66H,63H,60H,5DH,5AH,57H,55H,51H
      DB   4EH,4CH,48H,45H,43H,40H,3DH,3AH
      DB   38H,35H,33H,30H,2EH,2BH,29H,27H
      DB   25H,22H,20H,1EH,1CH,1AH,18H,16H
      DB   15H,13H,11H,10H,0EH,0DH,0BH,0AH
      DB   09H,08H,07H,06H,05H,04H,03H,02H
      DB   02H,01H,00H,00H,00H,00H,00H,00H
      DB   00H,00H,00H,00H,00H,00H,01H,02H
      DB   02H,03H,04H,05H,06H,07H,08H,09H
      DB   0AH,0BH,0DH,0EH,10H,11H,13H,15H
      DB   16H,18H,1AH,1CH,1EH,20H,22H,25H
      DB   27H,29H,2BH,2EH,30H,33H,35H,38H
      DB   3AH,3DH,40H,43H,45H,48H,4CH,4EH
      DB   51H,55H,57H,5AH,5DH,60H,63H,66H
      DB   69H,6CH,6FH,72H,76H,79H,7CH,80H