第一行地址：80H 81H 82H 83H 84H 85H 86H 87H第二行地址：90H 91H 92H 93H 94H 95H 96H 97H第三行地址：88H 89H 8AH 8BH 8CH 8DH 8EH 8FH第四行地址：98H 99H 9AH 9BH 9CH 9DH 9EH 9FH#include #include #define unint unsigned int#define unchar unsigned charsbit re=P20; /*數(shù)據(jù)指令 選擇*/ sbit rw=P21; /*讀寫 選擇*/ sbit e=P22; /*讀寫使能*/ sbit psb=P27; uchar code table=zhang jian wei? ;void writecom(unchar com);void writedat(unchar dat);void initinal(void);void display1();void display2();void display3();/12MHZ晶振 延時(shí)50微秒void delay50us(uint t) uchar j;for(;t0;t-) for(j=19;j0;j-);/主函數(shù)void main() initinal();while(1) / display1(); / display2(); display3(); while(1);/寫命令void writecom(unchar com) rw=0; rs=0; delay50us(1); P0=com; e=1; delay50us(10); e=0; delay50us(10);/寫數(shù)據(jù)void writedat(unchar dat) rw=0; rs=1; delay50us(1); P0=dat; e=1; delay50us(10); e=0; delay50us(10);/初始化void initinal(void) delay50us(2); void writecom(0x30); delay50us(4); writecom(0x30); delay50us(4); writecom(0x0f); delay50us(4); writecom(0x01); delay50us(240); writecom(0x06); delay50us(10);/ASCII顯示void display1() uchar i; uchar a; a=0x10; writecom(0x80); delay50us(1); for(i=0;i16;i+) writedat(a); delay50us(1); a+; void display2() uchar i; uchar a,b; a=0xBA; b=0xC0; writecom(0x80); delay50us(1); for(i=0;i16;i+) writedat(a); writedat(b); delay50us(1); b+; void display3() uchar i; writecom(0