#include <mega32.h>
#include <alcd.h>
#include <stdlib.h>
#define output_ddr DDRB
#define output_port PORTB
char disp[16];
unsigned int i=0, k=0;
void display_lcd(void)
{
lcd_gotoxy(0,0);
itoa(i,disp);
lcd_puts(disp);
lcd_gotoxy(0,1);
itoa(k,disp);
lcd_puts(disp);
}
void main(void)
{
char move=0;
output_ddr=0xFF;
2output_port=0x80;
GICR=(1<<INT1) | (1<<INT0) | (0<<INT2);
MCUCR=(1<<ISC11) | (0<<ISC10) | (1<<ISC01) | (0<<ISC00);
lcd_init(16);
while (1)
{
if (GIFR & 0x80)
{
move=2;
GIFR = GIFR | 0x80;
}
if (GIFR & 0x40)
{
move=1;
GIFR = GIFR | 0x40;
}
display_lcd();
if (move==1)
{
output_port=output_port>>1;
if (output_port==0)
output_port=0x80;
}
if (move==2)
{
output_port=output_port<<1;
if (output_port==0)
output_port=0x01;
}
for (i=0; i<100; i++)
{
for (k=0; k<3000; k++)
{
// looping to create a delay
}
}
}
}
