?? 14.1.3 正弦信號發(fā)生.asm
字號:
ORG 0000H
AJMP MAIN
ORG 0030H
MAIN: MOV R5,#00H ;通過DAC0832的AD輸出正弦波
SIN: MOV A,R5
MOV DPTR,#CTABH
MOVC A,@A+DPTR
MOV DPTR,#6000H
MOVX @DPTR,A
INC R5
AJMP SIN
CTABH:DB 80H,80H,81H,82H,83H,84H,85H,86H,89H,8DH,90H,93H,96H,99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
DB 0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H,0C7H,0CAH,0CCH,0CFH,0D1H,0D4H,0D6H,0D8H
DB 0DAH,0DDH,0DFH,0E1H,0E3H,0E5H,0E7H,0E9H,0EAH,0ECH,0EEH,0EFH,0F1H,0F2H,0F4H,0F5H
DB 0F6H,0F7H,0F8H,0F9H,0FAH,0FBH,0FCH,0FDH,0FDH,0FEH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FEH,0FDH,0FDH,0FCH,0FBH,0FAH,0F9H,0F8H,0F7H,0F6H
DB 0F5H,0F4H,0F2H,0F1H,0EFH,0EEH,0ECH,0EAH,0E9H,0E7H,0E5H,0E3H,0E1H,0DFH,0DDH,0DAH
DB 0D8H,0D6H,0D4H,0D2H,0CFH,0CCH,0CAH,0C7H,0C5H,0C2H,0BFH,0BCH,0BAH,0B7H,0B4H,0B1H
DB 0AEH,0ABH,0A8H,0A5H,0A2H,9FH,9CH,99H,96H,93H,90H,8DH,89H,86H,83H,80H
DB 80H,7CH,79H,76H,72H,6FH,6CH,69H,66H,63H,60H,5DH,5AH,57H,55H,51H
DB 4EH,4CH,48H,45H,43H,40H,3DH,3AH,38H,35H,33H,30H,2EH,2BH,29H,27H
DB 25H,22H,20H,1EH,1CH,1AH,18H,16H,15H,13H,11H,10H,0EH,0DH,0BH,0AH
DB 09H,08H,07H,06H,05H,04H,03H,02H,01H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,01H,02H,02H,03H,04H,05H,06H,07H,08H,09H
DB 0AH,0BH,0DH,0EH,10H,11H,13H,15H,17H,19H,1AH,1CH,1EH,20H,22H,25H,27H
DB 29H,2BH,2EH,30H,33H,35H,38H,3AH,3DH,40H,43H,45H,48H,4CH,4EH,51H,55H
DB 57H,5AH,5DH,60H,63H,66H,69H,6CH,6FH,72H,74H,76H,77H,78H,79H,7AH,7CH,7CH,7DH,7DH,7EH,7FH,7FH,80H
END
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