function scr_mercyadd(arg0, arg1)
{
    global.mercymod[arg0] += arg1;
    if (global.mercymod[arg0] < 0)
        global.mercymod[arg0] = 0;
    if (global.mercymod[arg0] >= 100)
        global.mercymod[arg0] = 100;
    var _playsound = 1;
    if (arg1 <= 0)
        _playsound = 0;
    if (i_ex(obj_dmgwriter))
    {
        with (obj_dmgwriter)
        {
            if (type == 5)
                _playsound = 0;
        }
    }
    if (_playsound)
    {
        var _pitch = 0.8;
        if (arg1 < 99)
            _pitch = 1;
        if (arg1 <= 50)
            _pitch = 1.2;
        if (arg1 <= 25)
            _pitch = 1.4;
        snd_play_x(snd_mercyadd, 0.8, _pitch);
    }
    __mercydmgwriter = instance_create(global.monsterx[arg0], (global.monstery[arg0] + 20) - (global.hittarget[arg0] * 20), obj_dmgwriter);
    __mercydmgwriter.damage = arg1;
    __mercydmgwriter.type = 5;
    global.hittarget[arg0]++;
}