單片機(jī)課程設(shè)計報告-文庫吧資料
2025-08-09 01:15本頁面
【正文】 0,A INC TEMP MOV A,TEMP MOVC A,A+DPTR MOV STLO,A MOV TL0,A SETB TR0DK2A: MOV A,P3 ANL A,0FH XRL A,0FH JNZ DK2A CLR TR0NOKEY2: MOV P3,0FFH CLR MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY3 Lcall DELAY10MS MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY3 MOV A,P3 ANL A,0FH CJNE A,0EH,NK9 MOV KEYBUF,8 LJMP DK3NK9: CJNE A,0DH,NK10 MOV KEYBUF,9 LJMP DK3NK10: CJNE A,0BH,NK11 MOV KEYBUF,10 LJMP DK3NK11: CJNE A,07H,NK12 MOV KEYBUF,11 LJMP DK3NK12: NOPDK3: MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE MOVC A,A+DPTR MOV STHO,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,A+DPTR MOV STLO,A MOV TL0,A SETB TR0DK3A: MOV A,P3 ANL A,0FH XRL A,0FH JNZ DK3A CLR TR0NOKEY3: MOV P3,0FFH CLR MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY4 Lcall DELAY10MS MOV A,P3 ANL A,0FH XRL A,0FH JZ NOKEY4 MOV A,P3 ANL A,0FH CJNE A,0EH,NK13 MOV KEYBUF,12 LJMP DK4NK13: CJNE A,0DH,NK14 MOV KEYBUF,13 LJMP DK4NK14: CJNE A,0BH,NK15 MOV KEYBUF,14 LJMP DK4NK15: CJNE A,07H,NK16 MOV KEYBUF,15 LJMP DK4NK16: NOPDK4: MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE MOVC A,A+DPTR MOV STHO,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,A+DPTR MOV STLO,A MOV TL0,A SETB TR0DK4A: MOV A,P3 ANL A,0FH XRL A,0FH JNZ DK4A CLR TR0NOKEY4: LJMP WAITDELAY10MS: MOV R6,10D1: MOV R7,248 DJNZ R7,$ DJNZ R6
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鄂ICP備17016276號-1