PMS_RBUTMASK
((sc->packet[0] & PMS_RBUTMASK) ? 0x4 : 0);
nsp.sp_right = sc->button_history & PMS_RBUTMASK;
((psc->packet[0] & PMS_RBUTMASK) ^
(psc->packet[3] & PMS_RBUTMASK))) {
ext_right = PMS_RBUTMASK;
nsp.sp_right = psc->packet[0] & PMS_RBUTMASK;
(psc->packet[3] & PMS_RBUTMASK);
((psc->packet[0] & PMS_RBUTMASK) ^
(psc->packet[3] & PMS_RBUTMASK))) {
bstate ? PMS_RBUTMASK : 0;
nsp.sp_right = sc->button_history & PMS_RBUTMASK;
((psc->packet[1] & PMS_RBUTMASK) ? 0x80 : 0);
gesture_buttons |= PMS_RBUTMASK;
gesture_buttons |= PMS_RBUTMASK;
sp->sp_right |= gesture_buttons & PMS_RBUTMASK;