#include <stdio.h>
#include <conio.h>
#include <dos.h>
#define BASE_ADDR 0x300
#define PORTA BASE_ADDR | 0x04
#define PORTB BASE_ADDR | 0x05
#define PORTC BASE_ADDR | 0x06
#define CWR0 BASE_ADDR | 0x07
#define CWR1 BASE_ADDR | 0x0b

void init_eboard(void)
{
outp(CWR0, 0x88);
outp(CWR1, 0x80);
outp(PORTA, 0xff); /* initialize dot_matrix led */
}

void main(void)
{
int I, j, count;

clrscr();
init_eboard();

printf(“\\nPush a Button Switch (SW1 – SW4).\\n”);

do
{
I = ((0xff – inp(PORTC)) >> 4) & 0x0f;

if(i) {
outp(PORTB, 0xff);
printf(“Push Button (SW : %d) is on. \\n”, i);
delay(50);
outp(PORTB, 0x00);
printf(“Push Button (SW : %d) is off. \\n”, i);
}

}while(!kbhit());

init_eboard();

}

이거 해석좀 해주세요 ㅠㅠ
전부다는 아니라도 부분부분이라도...
스위치를 누르면 Seven segment display에 숫자가 나오는 문장인데
이해가 잘 안되네요