80c51单片机用外部中断1(按下按钮)实现分数的加功能,用外部中断0(按下...答:include<reg51.h>#define uchar unsigned charuchar tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00}; //0到9uchar num,cnt;unsigned int disn;uchar led[]={0,0,0,0};void dealdat(uchar a){led[0]=disn/1000;led[1]=(disn%1000)/100;led[2]=(disn%...
...0-99循环显示的程序图(proteus),汇编语言,原理图也要,谢谢_百度知 ...答:SETB P2.1 ACALL D1MS CLR P2.1 AJMP DISP T0INT:MOV TH0,#03CH;定时中断子程序。重装定时常数 MOV TL0,#0B0H;DJNZ R4,RTI ;50msX20=1S,未满20次,跳出中断子程序 MOV R4,#20 INC R0 CJNE R0,#100,RTI MOV R0,#0 RTI:RETI D1MS:MOV R7,#25 MOV R6,#20 DJNZ R6,DJNZ R7...