lab2 stare

#include <system.h>
#include <stdio.h>
#include <io.h>

#define  SW0 0x00000001
#define  SW1 0x00000002
#define  SW2 0x00000004
#define  SW3 0x00000008
#define  SW4 0x00000010
#define  SW5 0x00000020

#define  L_NULL 0x00000000
#define  LED0 0x00000001
#define  LED1 0x00000002
#define  LED2 0x00000004
#define  LED3 0x00000008
#define  LED4 0x00000010
#define  LED5 0x00000020
#define  LED6 0x00000040

#define  SEGA 0x00001
#define  SEGB 0x00002
#define  SEGC 0x00004
#define  SEGD 0x00008
#define  SEGE 0x00010
#define  SEGF 0x00020
#define  SEGG 0x00040

#define H_NULL 0x00000000
#define ONE  SEGB | SEGC
#define TWO  SEGA | SEGB | SEGD | SEGE | SEGG
#define THREE SEGA | SEGB | SEGC | SEGD | SEGG
#define FOUR  SEGB | SEGC | SEGF | SEGG
#define FIVE  SEGA | SEGC | SEGD | SEGF | SEGG
#define SIX  SEGA | SEGC | SEGD | SEGE | SEGF | SEGG
#define CHAR_E SEGA | SEGD | SEGE | SEGF | SEGG
#define CHAR_R SEGE | SEGG

int main() {
    int sw, sw0, sw1, sw2, sw3, sw4, sw5;
    short state = 0;

    IOWR(HEX_BASE, 0, 0);
    IOWR(HEX_BASE, 1, 0);
    IOWR(HEX_BASE, 2, 0);
    IOWR(HEX_BASE, 3, 0);
    IOWR(HEX_BASE, 4, 0);
    IOWR(HEX_BASE, 5, 0);

    while (1){

        sw = IORD(SW_SLIDERS_BASE, 0);

        if       ((sw & sw0) && !(sw & (sw1 | sw2 | sw3 | sw4 | sw5))) {
            IOWR(LEDS_BASE, 0, LED0);
            IOWR(HEX_BASE, 0, ONE);
        }else if ((sw & sw1) && !(sw & (sw0 | sw2 | sw3 | sw4 | sw5))) {
            IOWR(LEDS_BASE, 0, LED1);
            IOWR(HEX_BASE, 0, TWO);
        }else if ((sw & sw2) && !(sw & (sw1 | sw0 | sw3 | sw4 | sw5))) {
            IOWR(LEDS_BASE, 0, LED2);
            IOWR(HEX_BASE, 0, THREE);
        }else if ((sw & sw3) && !(sw & (sw1 | sw2 | sw0 | sw4 | sw5))) {
            IOWR(LEDS_BASE, 0, LED3);
            IOWR(HEX_BASE, 0, FOUR);
        }else if ((sw & sw4) && !(sw & (sw1 | sw2 | sw3 | sw0 | sw5))) {
            IOWR(LEDS_BASE, 0, LED4);
            IOWR(HEX_BASE, 0, FIVE);
        }else if ((sw & sw5) && !(sw & (sw1 | sw2 | sw3 | sw4 | sw0))) {
            IOWR(LEDS_BASE, 0, LED5);
            IOWR(HEX_BASE, 0, SIX);
        }else if (!(sw & (sw0 | sw1 | sw2 | sw3 | sw4 | sw5))){
            IOWR(LEDS_BASE, 0, L_NULL);
            IOWR(HEX_BASE, 0, H_NULL);
        }else {
            IOWR(LEDS_BASE, 0, LED6);
            IOWR(HEX_BASE, 0, CHAR_R);
            IOWR(HEX_BASE, 1, CHAR_R);
            IOWR(HEX_BASE, 2, CHAR_E);
        }
    }

    return 0;
}