单片机大神用中断1控制定时编一个按钮按下时,灯亮一秒灭一秒,警铃响...答:ORG 0000HLJMP MAINORG 0013HLJMP EXT1ORG 0030HMAIN:SETB EX1SETB IT1SETB EASJMP $EXT1:CPL P1.0CPL P1,3LCALL DELAYJNB P3.3,EXT1SETB P1.0SETB P1.3RETIDELAY:MOV R2,#10DLY1:MOV R3,#200DLY2:MOV R4,#248DJNZ R4,$DJNZ R3,DLY2DJNZ R2,DLY1RETIEND ...