#include <stdio.h>
void redos();
void pause(unsigned int time);
void screen_mode(unsigned char mode);

void point(unsigned int x,
       unsigned int y,
       unsigned char colorID,
       unsigned char color
       );

void shape(unsigned int x0,
       unsigned int y0,
       unsigned int x1,
       unsigned int y1,
       unsigned char colorID,
       unsigned char color
       );

int main(void)
{
    int x,y;
    screen_mode(0x12);
    printf("\n\n");
    for(x=0; x<=500; x+=30)
    {
        shape(0,10,x,30,0,1);
        printf("%d\%\b\b\b",x/5);
        pause(1);
    }

    printf("100\%\b\b\b");
    redos();
    return 0;
}

void redos()
{
    asm mov ah,7h;
    asm int 21h;
    asm mov ah,4ch;
    asm int 21h;
}

void pause(unsigned int time)
{
    asm mov ah,0h;
    asm int 1ah;
    asm add dx,time;
    asm mov bx,dx;
label:
    asm int 1ah;
        asm cmp bx,dx;
        asm jne label;
}

void screen_mode(unsigned char mode)
{
        asm mov ah,0h;
        asm mov al,mode;
        asm int 10h;
}

void point(unsigned int x,
           unsigned int y,
           unsigned char colorID,
           unsigned char color
           )
{
        asm mov ah,0bh;
        asm mov bh,0x(colorID);
        asm mov bl,0x(color);
        asm int  10h;

        asm mov ah,0ch;
        asm mov al,0x(color);
        asm mov cx,x;
        asm mov dx,y;
        asm int 10h;
}

void shape(unsigned int x0,
           unsigned int y0,
           unsigned int x1,
           unsigned int y1,
           unsigned char colorID,
           unsigned char color
       )
{
        int i_x0, i_y0;
        for(i_x0=x0; i_x0<=x1; i_x0++)
    {
        for(i_y0=y0; i_y0<=y1; i_y0++)
        {
            point(i_x0, i_y0, colorID,color);
                }
        }
}