// example from https://github.com/steux/cc7800 - license: GPLv3

#include "conio.h"
#include "assert.h"

char i;

reversed scattered(8,1) char special_char[8] = {
    0x66, 0xff, 0xff, 0xff, 0x7e, 0x3c, 0x18, 0x00  
};

void main()
{
    clrscr();
    // Draw a square
    gotoxy(0, 0);
    textcolor(7);
    putch(CONIO_TL_CORNER);
    for (i = 0; i != 20; i++) {
        putch(CONIO_HBAR);
    }
    putch(CONIO_TR_CORNER);
    for (i = 0; i != 8; i++) {
        gotoxy(0, i + 1);
        putch(CONIO_VBAR);
        gotoxy(21, i + 1);
        putch(CONIO_VBAR);
    }
    gotoxy(0, 9);
    putch(CONIO_BL_CORNER);
    for (i = 0; i != 20; i++) {
        putch(CONIO_HBAR);
    }
    putch(CONIO_BR_CORNER);
    // Write some text
    for (i = 0; i != 8; i++) {
        textcolor(i);
        gotoxy(i + 1, i + 1);
        cputs("Hello World!");
    }
    // Long text test
    gotoxy(0, 10);
    cputs("This is a long text that fits in a line.");
    
    gotoxy(10, 11);
    cputs("World!");
    gotoxy(4, 11);
    cputs("Hello");
    
    gotoxy(10, 12);
    cputs("World!");
    gotoxy(4, 12);
    textcolor(4);
    cputs("Hello");

    gotoxy(0, 13);
    for (i = 0; i != 8; i++) {
        textcolor(i);
        putch('!');
    }

    gotoxy(0, 14);
    for (i = 0; i != 8; i++) {
        textcolor(7 - i);
        putch(128); // Special character
    }

    while(1);
}