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#include 

#define B_SZ  10

static char* title = "BinClock";

static void draw_small_box(int x, int y, int is_on)

{

   _ksys_draw_bar(x, y, B_SZ, B_SZ, is_on ? 0xFF0000 : 0x103000);

}

static void draw_box_group(int x, int y, int num)

{

    int i, j;

    char buf[2];

    buf[0] = (num&(1+2+4+8))+'0';

    buf[1] = '\0';

    for(i = 0; i < 4; i++) {

        j = (B_SZ+2)*i;

        draw_small_box(x,y+((B_SZ+2)*i),num & (1<<(3-i)) ? 1 : 0);

    }

    _ksys_draw_bar(x, y+((B_SZ+2)*4),B_SZ,B_SZ, 0x800000);

    _ksys_draw_text(buf, x+2, y+((B_SZ+2)*4)+3, 1, 0xFFFFFF);

}

static void draw_bcd_num(int x,int y,int num)

{

    int v1, v2;

    v1 = (num>>4)&(1+2+4+8);

    v2 = num&(1+2+4+8);

    draw_box_group(x, y, v1);

    draw_box_group(x+B_SZ+2, y ,v2);

}

static void draw_hms(int x,int y)

{

    unsigned t;

    int h, m, s;

    __asm__ __volatile__("int $0x40" : "=a"(t) : "a"(3));

    s = (t & 0x00FF0000)>>16;

    m = (t & 0x0000FF00)>>8;

    h = (t & 0x000000FF);

    draw_bcd_num(x,y,h);

    x+=((B_SZ+2)<<1)+2;

    draw_bcd_num(x,y,m);

    x+=((B_SZ+2)<<1)+2;

    draw_bcd_num(x,y,s);

}

static void draw_h(void)

{

    draw_hms(22, 28);

}

static void paint(void)

{

    _ksys_start_draw();

    _ksys_create_window(100, 100, 40+((B_SZ+2)*6)+4,30+((B_SZ+2)*4)+16, title, 0x80, 0x13);

    _ksys_draw_bar(20, 26, ((B_SZ+2)*6)+4+2,4+((B_SZ+1)*4)+2, 0);

    draw_h();

    _ksys_end_draw();

}

int main(void)

{

    int i;

    paint();

    for(;;) {

        i = _ksys_wait_event_timeout(20);

        draw_h();

        switch(i) {

            case 1:

                paint();

                continue;

            case 2:

                _ksys_get_key();

                continue;

            case 3:

                if (_ksys_get_button() == 1) return 0;

                continue;

        }

    }

}