單片機課程設計--步進電機角度控制-文庫吧
2025-01-01 11:27 本頁面
【正文】 JNB ,KEY8 JNB ,KEYB。KEY0: MOV DPTR,7F00H MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEY1: MOV DPTR,7F01H MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEY7: MOV DPTR,7F07H MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEY8: MOV DPTR,7F08H MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYA: MOV DPTR,7F0AH MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYB: MOV DPTR,7F0BH MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYE: MOV DPTR,7F0EH MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYF: MOV DPTR,7F0FH MOV A,00H MOVX @DPTR,A ACALL PUTBUF ACALL DIS AJMP STTK。PUTBUF: PUSH 00H PUSH ACC MOV A,R5 MOV R0,A POP ACC MOV @R0,A DEC R5 CJNE R5,4FH,GOBACK MOV R5,53HGOBACK: POP 00H RETDIS: PUSH ACC PUSH 00H PUSH 03H PUSH DPH PUSH DPL MOV R0,50H MOV R3,F7HAA2: MOV A,@R0 MOV DPTR,AA1 MOVC A,@A+DPTR MOV DPTR,7F01H MOVX @DPTR,A MOV DPTR,7F02H MOVX @DPTR,R3 ACALL DL1MS MOV A,R3 JNB ,AA3 RR A MOV R3,A INC R0 AJMP AA2AA3: POP DPL POP DPH POP 03H POP 00H POP ACC RETAA1: DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H DB 7FH,6FH,77H,7CH,39H,5EH,79H,71H。DL1MS: MOV R7,01HDL0: MOV R6,0FFHDL1: DJNZ R6,DL1 DJNZ R7,DL0 RET。STTK: ACALL DIS MOV DPTR,7F00H MOV A,00H MOVX @DPTR,A MOV DPTR,7F02H MOV A,@DPTR ANL A,03H CJNE A,03H,STTK AJMP BEGIN END。
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鄂ICP備17016276號-1