1089 	    action0.dx = action0.dy = action0.dz = 0;  in moused()
1178 		action2.button, action2.dx, action2.dy, action2.dz);  in moused()
1212 				action2.dz = -1;  in moused()
1217 				action2.dz = 1;  in moused()
1226 					 action2.dz = -2;  in moused()
1230 					 action2.dz = 2;  in moused()
1241 		if ((flags & MOUSE_POSCHANGED) == 0 || action.dz || action2.dz)  in moused()
1295 		    mouse.u.data.z = action2.dz;  in moused()
1311 		mouse.u.data.z = action2.dz;  in moused()
1322 	    if ((rodent.zmap[0] > 0) && (action.dz != 0)) {  in moused()
1324 		action.dx = action.dy = action.dz = 0;  in moused()
1327 		    action2.button, action2.dx, action2.dy, action2.dz);  in moused()
2002 	    act->dx = act->dy = act->dz = 0;  in r_protocol()
2027 	    act->dz = (rBuf & 0x08) ? (rBuf & 0x0f) - 16 : (rBuf & 0x0f);  in r_protocol()
2028 	    if ((act->dz >= 7) || (act->dz <= -7))  in r_protocol()
2029 		act->dz = 0;  in r_protocol()
2036 	    act->dx = act->dy = act->dz = 0;  in r_protocol()
2043 	act->flags = ((act->dx || act->dy || act->dz) ? MOUSE_POSCHANGED : 0)  in r_protocol()
2064     act->dz = 0;  in r_protocol()
2116 	      act->dz = -1;  in r_protocol()
2118 	      act->dz = 1;  in r_protocol()
2185 	    act->dz = (pBuf[3] & MOUSE_EXPLORER_ZNEG)  in r_protocol()
2195 	    act->dz = (signed char)pBuf[3];  in r_protocol()
2196 	    if ((act->dz >= 7) || (act->dz <= -7))  in r_protocol()
2197 		act->dz = 0;  in r_protocol()
2217 			act->dz = (pBuf[2] & MOUSE_PS2PLUS_ZNEG)  in r_protocol()
2234 			act->dz = (pBuf[2] & MOUSE_SPOINT_WNEG) ? -2 : 2;  in r_protocol()
2237 			act->dz = (pBuf[2] & MOUSE_SPOINT_ZNEG) ? -1 : 1;  in r_protocol()
2240 		    act->dz = (pBuf[2] & MOUSE_SPOINT_ZNEG)  in r_protocol()
2274 	    act->dz = (pBuf[3] & MOUSE_PS2_XNEG) ? pBuf[4] - 256 : pBuf[4];  in r_protocol()
2309 		act->dz = 1;  in r_protocol()
2312 		act->dz = -1;  in r_protocol()
2315 		act->dz = 2;  in r_protocol()
2318 		act->dz = -2;  in r_protocol()
2327 		act->dz = (pBuf[2] & MOUSE_4DPLUS_ZNEG)  in r_protocol()
2345 	    act->dz = ((signed char)(pBuf[5] << 1) + (signed char)(pBuf[6] << 1)) >> 1;  in r_protocol()
2359     act->flags = ((act->dx || act->dy || act->dz) ? MOUSE_POSCHANGED : 0)  in r_protocol()
2373     a2->dz = a1->dz;  in r_statetrans()
2490 	act1->dz = act1->dy;  in r_map()
2496     act2->dz = act1->dz;  in r_map()
2502 	if (act1->dz != 0) {  in r_map()
2503 	    act2->dx = act1->dz;  in r_map()
2504 	    act2->dz = 0;  in r_map()
2508 	if (act1->dz != 0) {  in r_map()
2509 	    act2->dy = act1->dz;  in r_map()
2510 	    act2->dz = 0;  in r_map()
2516 	if ((act1->dz < -1) && rodent.zmap[2]) {  in r_map()
2519 	} else if (act1->dz < 0) {  in r_map()
2522 	} else if ((act1->dz > 1) && rodent.zmap[3]) {  in r_map()
2525 	} else if (act1->dz > 0) {  in r_map()
2529 	act2->dz = 0;  in r_map()
2539     act2->flags = ((act2->dx || act2->dy || act2->dz) ? MOUSE_POSCHANGED : 0)  in r_map()
3261     act->dx = act->dy = act->dz = 0;  in kidspad()
3326 	act->dx = act->dy = act->dz = 0;  in gtco_digipad()