/* basic test program for the Hitachi HD 44780*/


#include <hc812a4.h>
#include <introl.h>
#include <lcd12.h>
#include <dbug12.h>

void __main()
{
	int i, j;
	char buffer[]="hello";
	
	OpenXLCD(0x3F);		//intialize the screen
	
	WriteCmdXLCD(0x80);	// set address to 0
	
	WriteDataXLCD(0x47);	// write "Good Morning Dave"
	WriteDataXLCD(0x6F);
	WriteDataXLCD(0x6F);
	WriteDataXLCD(0x64);
	WriteDataXLCD(0x20);
	WriteDataXLCD(0x4D);
	WriteDataXLCD(0x6F);
	WriteDataXLCD(0x72);
	WriteDataXLCD(0x6E);
	WriteDataXLCD(0x69);
	WriteDataXLCD(0x6E);
	WriteDataXLCD(0x67);
	WriteCmdXLCD(0xC0);
	WriteDataXLCD(0x44);
	WriteDataXLCD(0x61);
	WriteDataXLCD(0x76);
	WriteDataXLCD(0x65); 
	
	WriteCmdXLCD(0x08);	// turn off display

	for(i=0; i<10; i++)		// delay
		for(j=0; j<40000; j++);
	
	WriteCmdXLCD(0x0C);	// turn on display and cursor

	for(i=0; i<10; i++)
		for(j=0; j<40000; j++);
	
	SetDDRamAddr(0xCA);	// set cursor address to 4F
	
	WriteBuffer(&buffer);	//write buffer to screen
	for(i=0;i<10;i++)	// delay
		for(j=0;j<40000;j++);
	
	SetDDRamAddr(0x90);	// go to address 16
	WriteDataXLCD(0x41);	// write ABCDE
	WriteDataXLCD(0x42);
	WriteDataXLCD(0x43);
	WriteDataXLCD(0x44);	
	WriteDataXLCD(0x45);
	
	WriteCmdXLCD(0x18);	// shift display left 5 times
	WriteCmdXLCD(0x18);
	WriteCmdXLCD(0x18);
	WriteCmdXLCD(0x18);
	WriteCmdXLCD(0x18);

	for(i=0;i<10;i++)	// delay
		for(j=0;j<40000;j++);
	
	WriteCmdXLCD(0x01);     // clear display

}