基于单片机的按键模拟(4)

JNB CLR LJMP RET

TI,$ TI LP

EINT0: PUSH 80H LCALL MOV

LCALL MOV

LCALL POP RETI

DM: SETB P3.6 CLR P3.7

RET

WM: SETB P3.7 CLR P3.6

RET

DELAY:MOV R7,#10 DE1:MOV R6,#100 DE2:MOV R5,#10 DJNZ R5,$ DJNZ R6,DE2 DJNZ R7,DE1 RET

END

DM P0,#77H

WM P0,#00H

DELAY 80H

15