單片機(jī)課程設(shè)計(jì)--步進(jìn)電機(jī)角度控制-全文預(yù)覽
【正文】 ACALL PUTBUF ACALL DIS LJMP STTKKEY5: MOV A,05H ACALL PUTBUF ACALL DIS LJMP STTKKEY7: MOV A,07H ACALL PUTBUF ACALL DIS LJMP STTKPUTBUF: PUSH 00H PUSH ACC MOV R1,3 MOV R0,52HPUTBUF0:MOV A,R0 INC R0 MOV R0,A DEC R0 DEC R0 DJNZ R1,PUTBUF0 POP ACC MOV 50H,A POP 00H RETDIS: PUSH ACC PUSH 00H PUSH 03H MOV R0,50H MOV R3,0F7HAA2: MOV A,R0 MOV DPTR,A1 MOVC A,A+DPTR MOV DPTR,7F01H MOVX DPTR,A MOV DPTR,7F00H MOV A,R3 MOVX DPTR,A ACALL DL1MS MOV A,R3 JNB ,AA3 RR A MOV R3,A INC R0 AJMP AA2AA3: POP 03H POP 00H POP ACC RETSTTK: ACALL DIS MOV DPTR,7F00H MOV A,00H MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR ANL A,03H CJNE A,03H,STTK AJMP BEGINA1: DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H DB 7FH,6FH,77H,7CH,39H,5EH,79H,71HDL1MS: MOV R7,02HDL0: MOV R6,0FFHDL1: DJNZ R6,DL1 DJNZ R7,DL0 RETBJZ: MOV 57H,01H 。跳去顯示TEST1: MOV A,55H 。鍵盤檢測(cè) MOV A,00H MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR ANL A,03H CJNE A,03H,INK1 MOV A,54H 。角度個(gè)位 MOV 61H,00H 。CLR標(biāo)志位 MOV 56H,00H MOV 57H,00H 。角度十位 MOV 52H,00H 。DL1MS: MOV R7,01HDL0: MOV R6,0FFHDL1: DJNZ R6,DL1 DJNZ R7,DL0 RET。 MOV DPTR,7F00H MOV A,00H MOVX DPTR,A MOV DPTR,7F02H MOV A,DPTR ANL A,03H CJNE A,03H,INK1 ACALL DIS AJMP BEGININK1: ACALL DL1MS MOV DPTR,7F02H MOVX A,DPTR ANL A,03H CJNE A,03H,INK2INK2: MOV DPTR,7F00H MOV A,0FEH MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR JNB ,KEY0 JNB ,KEYD AJMP BEGIN。三、 任務(wù)要求1. 設(shè)置鍵盤為下圖所示：2457CLRSETSTART02. 要求實(shí)現(xiàn)以下功能：（1
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