Fixed last line overflow scroll

src/term.c

@@ -124,7 +124,9 @@ void terminal_putchar(char c)
 	    terminal_column = 0;
 	    if (++terminal_row == VGA_HEIGHT) 
 	    {
-		terminal_row = 0;
+		//terminal_row = 0;
+		terminal_scroll();
+		terminal_row=VGA_HEIGHT-1;
 	    }
 	}
     }