MOUSE_PS2_TAP
sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP;
ms.button |= ((c & MOUSE_PS2_TAP)) ?
ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 :
ms.button |= (c & MOUSE_PS2_TAP) ?
act->button |= ((pBuf[0] & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN;
act->button |= (pBuf[0] & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0;