用AT89C51单片机,4位共阴极数码管,显示出1234 程序怎么写??? 请各位...答:MOV 31H,#01H MOV 32H,#02H MOV 33H,#03H MOV 34H,#04H MOV 35H,#05H MOV 36H,#06H ACALL D0 JMP $-2 D0: MOV R0,#31H MOV R2,#11111110B MOV DPTR,#TAB D1: ORL P1,#00111111B MOV A,@R0 MOVC A,@A+DPTR MOV R3,#8 D2...
51单片机数码管显示1-19以及PMW 显示答://数码管显示0~19 include<reg52.h> define uint unsigned int define uchar unsigned char sbit wela=P2^7;sbit dula=P2^6;uchar t,shi,ge,num;uchar code table[]= {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};void init(){ t=0;TMOD=0x01;TH0=(65536-50000)/256...