ORG 0000HSTART:AJMP MAINORG 000BHAJMP INT_T0ORG 0030HMAIN:MOV TMOD,#01HMOV TH0,#3CHMOV TL0,#0B0HSETB TR0SETB ET0SETB EAMAIN_1:SJMP MAIN_1INT_T0:PUSH ACCPUSH PSW MOV TH0,#3CHMOV TL0,#0B0HCPL P1.0CPL P1.1POP PSWPOP ACCRETIEND