FD_RESET_ALWAYS
if (arg == FD_RESET_ALWAYS)
user_reset_fdc(REVDRIVE(fdc, 0), FD_RESET_ALWAYS, false);
if (user_reset_fdc(REVDRIVE(i, 0), FD_RESET_ALWAYS, false)) {
user_reset_fdc(REVDRIVE(i, 0), FD_RESET_ALWAYS, false);