fix debug windows

arch/textwindow.cc

@@ -8,6 +8,8 @@ TextWindow::TextWindow(unsigned from_col, unsigned to_col, unsigned from_row,
   this->from_row = from_row;
   this->to_row = to_row;
   this->use_cursor = use_cursor;
+
+  setPos(0,0);
 }
 
 void TextWindow::setPos(unsigned rel_x, unsigned rel_y) {
@@ -63,7 +65,7 @@ void TextWindow::print(const char* str, size_t length, CGA::Attribute attrib) {
             return;
         }
 
-        CGA::show(x_now, y_now, str[i], attrib);
+        CGA::show(from_col + x_now, from_row + y_now, str[i], attrib);
         if(from_col+x_now >= to_col-1){
             x_now = 0;
             if(from_row + y_now >= to_row-1){