ORG 0000H JMP MAIN ORG 000BH JMP LOOP1 ORG 001BH JMP LOOP2 MAIN:SETB P1.0 SETB P1.1 MOV TMOD,#61H ;T1做计数器工作于方式2,T0做定时器工作于方式1 MOV TH0,#3CH MOV TL0,#0B0H MOV TH1,#0FBH MOV TL1,#0FBH SETB PT1 SETB EA SETB ET0 SETB ET1 SETB TR1 SETB TR0 JMP $ LOOP1:CPL P1.1 MOV TH0,#3CH MOV TL0,#0B0H RETI LOOP2:CPL P1.0 RETI END |