#include ﻩ＃ｄ ef ｉ n ｅ u ｃ har u ｎｓ i ｇ ned ｃ ha ｒ ＃define ui ｎ t unsigned int sbit KEY １ ＝ P3＾4;sbit Ｋ EY2 = P3^5;sbit K Ｅ Y3 = Ｐ３^6;sbit IN1 = P1^0；ｓｂｉ t IN2 ＝ P1^1;sb ｉ t ＥＮ A ＝ P1^2;ｓ fr ld ａ ta＝0x80；ｓｂ it ｄ ula＝P ２^6;s ｂ i ｔ wela＝P ２＾7;//ｓ b ｉ t lcd ｅｎ=Ｐ 3^４；／/ｕ ch ａｒ timer,m ｓ，t_ｓｅ t = 1；ｕ ch ａ r T_N=１ 00;uchar T_N １=1 ０ 0;uc ｈ ar T＿H_Ｎ=50;ucha ｒ Ｔ＿H_N1=50;ｖ o ｉ d msp ｌ ay(ucha ｒ,uchar);ｕｃｈ ar ｃ o ｄ e x1[]={0x3 ｆ，0x ０ 6,0 ｘ５ｂ,0 ｘ 4f,0x6 ６,０ x ６ d，0 ｘ 7d,0x27,0x ７f,０ x6f,0x77,0x7c,０ x39，0x5e，0 ｘ 79，０ x ７ 1｝;//ucha ｒ code x2[ ］ ={0xc ０ ,0 ｘ ｆ 9, ０ xa4,0x ｂ 0 ， 0x99, ０ ｘ 92,0x82,0xd8 ， 0x ８０,0x90，0x88,0x83，０ xc6，0 ｘ a1,0x ８６,0x ８ e};uch ａｒ co ｄ e x ３[]=｛0xfe,0x ｆ d,0xfb,0xf7，０ xef,0xd ｆ}；//uchar co ｄ eﻩx ４[]＝｛0x0 １，0x02,0x04,0x08,０ x １ 0,０ x20}；v ｏ id delay（u ｉ nt ｚ)ﻩ//延时函数{uint ｘ;ﻩfo ｒ（
