基于51單片機的_正弦信號發(fā)生器的設計-在線瀏覽
2024-12-11 03:00本頁面
【正文】 MAIN P10: MOV R7,00H LCALL SQU LJMP MAIN 西安文理學院課程設計報告 第 7 頁 P11: MOV R7,01H LCALL SAW LJMP MAIN P12: MOV R7,02H LCALL TRI LJMP MAIN P13: MOV R7,03H LCALL SIN LJMP MAIN SQU: JNB ,N1 JNB ,N2 JNB ,N3 LJMP SSQU N1: MOV R7,01H LJMP TC0 N2: MOV R7,02H LJMP TC0 N3: MOV R7,03H LJMP TC0 SSQU: CJNE R7,00H,TC0 MOV R0,00H 。MOV A,0FFH 。MOV A,00H 。MOV DPTR,7FFFH K10: 。MOVX DPTR,A MOV P0,R0 MOV P2,0FFH MOV A,P2 CPL A MOV R3,A L10: DEC R3 CJNE R3,255,L10 INC R0 CJNE R0,255,K10 LJMP SAW TC1: RET TRI: JNB ,N7 JNB ,N8 JNB ,N9 西安文理學院課程設計報告 第 10 頁 LJMP TTRI N7: MOV R7,00H LJMP TC2 N8: MOV R7,01H LJMP TC2 N9: MOV R7,03H LJMP TC2 TTRI: CJNE R7,02H,TC2 MOV R0,00H 。MOV A,R0 。MOV A,R0 。MOV DPTR,7FFFH K30: MOV A,R0 MOV DPTR,TAB MOVC A,A+DPTR 。MOVX DPTR,A MOV P0,A INC R0 MOV P2,0FFH MOV A,P2 CPL A MOV R3,A L30: DEC R3 CJNE R3,255,L30 CJNE R0,255,K30 LJMP SIN TC3: RET TAB: DB 80H,82H,84H,86H,88H,8AH,8CH,8EH,90H,92H,94H,96H,98H,9AH,9CH,9EH DB 0A0H,0A2H,0A4H,0A6H,0A8H,0AAH,0ABH,0ADH,0AFH,0B1H,0B2H,0B4H,0B6H,0B7H,0B9H,0BAH DB 0BCH,0BDH,0BFH,0C0H,0C1H,0C3H,0C4H,0C5H,0C6H,0C8H,0C9H,0CAH,0CBH,0CCH,0CDH,0CEH DB 0CEH,0CFH,0D0H,0D1H,0D1H,0D2H,0D2H,0D3H,0D3H,0D4H,0D4H,0D4H,0D4H,0D5H,0D5H,0D5H DB 0
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