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****************************** STACK SEGMENT PARA STACK 39。STACK39。 DB 64 DUP(39。STACK...39。) STACK ENDS。************************************************** DSEG SEGMENT PARA 39。DATA39。MESS1 DB 50 DUP(39。 39。),39。Now the music is Happy birthday to you 39。,13,10,39。$39。 MESS2 DB 50 DUP(39。 39。),39。Now the music is Mary had a little lamb39。,13,10,39。$39。 MESS3 DB 50 DUP(39。 39。),39。Now the music is Taihu boat 39。,13,10,39。$39。 MESS4 DB 50 DUP(39。 39。),39。please input the speed (s/q)39。,13,10,39。$39。 MESS5 DB 50 DUP(39。 39。),39。please input the yiliang (h/m/l)39。,13,10,39。$39。 MENU DB 5 DUP(13,10) DB 5 DUP(39。 39。),39。**************************************39。,13,10 DB 5 DUP(39。 39。),39。**1:Happy birthday to you。 **39。,13,10 DB 5 DUP(39。 39。),39。**2:Mary had a little lamb。 **39。,13,10 DB 5 DUP(39。 39。),39。**4:Exit。 **39。,13,10 DB 5 DUP(39。 39。),39。*************************************39。,13,10 DB 5 DUP(39。 39。),39。please chioce the number of music:39。,39。$39。,13,10 change DB 125 DUP(39。 39。),39。error! please change anther NO.: 39。,39。$39。 MUS_FREG_l dw 262/2,262/2,294/2,262/2,349/2,330/2 dw 262/2,262/2,294/2,262/2,392/2,349/2 dw 262/2,262/2,523/2,440/2,349/2,330/2,294/2 dw 466/2,466/2,440/2,262/2,392/2,349/2 dw 1 MUS_FREG_m dw 262,262,294,262,349,330 dw 262,262,294,262,392,349 dw 262,262,523,440,349,330,294 dw 466,466,440,262,392,349 dw 1 MUS_FREG_h dw 262*2,262*2,294*2,262*2,349*2,330*2 dw 262*2,262*2,294*2,262*2,392*2,349*2 dw 262*2,262*2,523*2,440*2,349*2,330*2,294*2 dw 466*2,466*2,440*2,262*2,392*2,349*2 dw 1 MUS_TIME_s dw 50*3/2,50*3/2,100*3/2,100*3/2,100*3/2,200*3/2 dw 50*3/2,50*3/2,100*3/2,100*3/2,100*3/2,200*3/2 dw 50*3/2,50*3/2,100*3/2,100*3/2,100*3/2,100*3/2,300*3/2 dw 50*3/2,50*3/2,100*3/2,100*3/2,100*3/2,200*3/2 MUS_TIME_q dw 50,50,100,100,100,200 dw 50,50,100,100,100,200 dw 50,50,100,100,100,100,300 dw 50,50,100,100,100,200 mus_freg