function scr_84_push_ch1()
{
    if (!variable_global_exists("chemg_stack"))
    {
        global.chemg_stack = array_create(0);
        global.chemg_stack[0] = 0;
    }
    var top_ndx = global.chemg_stack[0];
    for (var i = 0; i < argument_count; i += 1)
        global.chemg_stack[top_ndx + i + 1] = argument[i];
    global.chemg_stack[0] = top_ndx + argument_count;
}