display_io
add_debugger_command("inw", &display_io, "dump io words (32-bit)");
add_debugger_command("in32", &display_io, "dump io words (32-bit)");
add_debugger_command("ins", &display_io, "dump io shorts (16-bit)");
add_debugger_command("in16", &display_io, "dump io shorts (16-bit)");
add_debugger_command("inb", &display_io, "dump io bytes (8-bit)");
add_debugger_command("in8", &display_io, "dump io bytes (8-bit)");
remove_debugger_command("inw", &display_io);
remove_debugger_command("in32", &display_io);
remove_debugger_command("ins", &display_io);
remove_debugger_command("in16", &display_io);
remove_debugger_command("inb", &display_io);
remove_debugger_command("in8", &display_io);