boot.nj

#include <NJDEF.nj>
#define priority=HIGHEST;
#define refName="boot";

// NUTELLAJAR BOOTLOADER
method init takesin (char* arg) {

    U8 index = Data.NULLPOINTER;

    const version = "1.0";

    terminal.backgroundColor = terminal.color.WHITE;
    terminal.fontColor = terminal.color.BLACK;
    for (U32 i = 0; i < terminal.collumns - 1; i += 1)
        terminal.write(" ");

    terminal.setCursor(3, 0);
    terminal.write("NutellaJar Bootloader version $version");
    terminal.backgroundColor = terminal.color.BLACK;
    terminal.fontColor = terminal.color.WHITE;
    terminal.write("\n");
    for (char vol in fs.volumes)
        terminal.write(vol.whereAt + ". " + vol);

    while (index == Data.NULLPOINTER) {
        char key = terminal.waitFor.KEYBOARDIN;
        if (isNum(key) && key != Data.NULLPOINTER) {
            index = key>>U8;
            boot(fs.volumes[index]);
        } else {
            terminal.fontColor = terminal.color.RED;
            terminal.write("ERROR! Invalid partition.");
        }
    }

}

method boot takesin (char volume) {

    if (volume == Data.NULLPOINTER) return void;

    for (file f in fs.listFS(volume)) {
        if (f.name.endsWith(.njk)) {
            terminal.run(f);
            break;
        }
    }

}