diff --git a/rpcs3/Emu/SysCalls/Modules/cellRudp.cpp b/rpcs3/Emu/SysCalls/Modules/cellRudp.cpp
index 095e523fee..de1eb2cee1 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellRudp.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellRudp.cpp
@@ -74,15 +74,19 @@ s32 cellRudpSetEventHandler(vm::ptr<CellRudpEventHandler> handler, vm::ptr<u32>
 		return CELL_RUDP_ERROR_NOT_INITIALIZED;
 	}
 
-	cellRudpInstance.argument = *arg.get_ptr();
+	if (arg)
+	{
+		cellRudpInstance.argument = *arg.get_ptr();
+	}
+
 	cellRudpInstance.handler = handler;
 
 	return CELL_OK;
 }
 
-s32 cellRudpSetMaxSegmentSize()
+s32 cellRudpSetMaxSegmentSize(u16 mss)
 {
-	UNIMPLEMENTED_FUNC(cellRudp);
+	cellRudp.Todo("cellRudpSetMaxSegmentSize(mss=%d)", mss);
 	return CELL_OK;
 }
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSaveData.cpp b/rpcs3/Emu/SysCalls/Modules/cellSaveData.cpp
index 166b40b6bb..474e400e99 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSaveData.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSaveData.cpp
@@ -389,7 +389,7 @@ never_inline s32 savedata_op(
 		}
 
 		statGet->hddFreeSizeKB = 40 * 1024 * 1024; // 40 GB
-		statGet->isNewData = save_entry.isNew = psf;
+		statGet->isNewData = save_entry.isNew = !psf;
 
 		statGet->dir.atime = save_entry.atime = dir_info.atime;
 		statGet->dir.mtime = save_entry.mtime = dir_info.mtime;
diff --git a/rpcs3/Emu/SysCalls/Modules/sys_net.cpp b/rpcs3/Emu/SysCalls/Modules/sys_net.cpp
index 9d689348a5..9fd1c508b5 100644
--- a/rpcs3/Emu/SysCalls/Modules/sys_net.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/sys_net.cpp
@@ -268,7 +268,7 @@ namespace sys_net_func
 	s32 recvmsg()
 	{
 		UNIMPLEMENTED_FUNC(sys_net);
-return CELL_OK;
+		return CELL_OK;
 	}
 
 	s32 send(s32 s, vm::cptr<char> buf, u32 len, s32 flags)
@@ -348,7 +348,7 @@ return CELL_OK;
 		return CELL_OK;
 	}
 
-	s32 socketselect(s32 nfds, vm::ptr<fd_set> readfds, vm::ptr<sys_net_fd_set> writefds, vm::ptr<sys_net_fd_set> exceptfds, vm::ptr<timeval> timeout)
+	s32 socketselect(s32 nfds, vm::ptr<sys_net_fd_set> readfds, vm::ptr<sys_net_fd_set> writefds, vm::ptr<sys_net_fd_set> exceptfds, vm::ptr<timeval> timeout)
 	{
 		sys_net.Todo("socketselect(nfds=%d, readfds_addr=0x%x, writefds_addr=0x%x, exceptfds_addr=0x%x, timeout_addr=0x%x)",
 			nfds, readfds.addr(), writefds.addr(), exceptfds.addr(), timeout.addr());
@@ -359,20 +359,49 @@ return CELL_OK;
 
 		if (readfds)
 		{
-			memcpy(&_readfds, readfds.get_ptr(), sizeof(fd_set));
+			for (int c = 0; c < 8; c++)
+			{
+#ifdef _WIN32
+				_readfds.fd_array[c] = readfds->fds_bits[c];
+#else
+				_readfds.fds_bits[c] = readfds->fds_bits[c];
+#endif
+			}
 		}
 
 		if (writefds)
 		{
-			memcpy(&_writefds, writefds.get_ptr(), sizeof(fd_set));
+			for (int c = 0; c < 8; c++)
+			{
+#ifdef _WIN32
+				_writefds.fd_array[c] = writefds->fds_bits[c];
+#else
+				_writefds.fds_bits[c] = writefds->fds_bits[c];
+#endif
+			}
 		}
 
 		if (exceptfds)
 		{
-			memcpy(&_exceptfds, exceptfds.get_ptr(), sizeof(fd_set));
+			for (int c = 0; c < 8; c++)
+			{
+#ifdef _WIN32
+				_exceptfds.fd_array[c] = exceptfds->fds_bits[c];
+#else
+				_exceptfds.fds_bits[c] = writefds->fds_bits[c];
+#endif
+			}
 		}
 
-		s32 ret = ::select(nfds, readfds.get_ptr(), &_writefds, &_exceptfds, timeout.get_ptr());
+		/*for (int c = 0; c < 8; c++)
+		{
+			if (!FD_ISSET(nfds, &_readfds.fd_array[c]))
+			{
+				sys_net.Error("!FD_ISSET: %d", c);
+			}
+		}*/
+
+		s32 ret = ::select(nfds, &_readfds, &_writefds, &_exceptfds, timeout.get_ptr());
 		*g_lastError = getLastError();
 
 		if (getLastError() >= 0)
diff --git a/rpcs3/Emu/SysCalls/Modules/sys_net.h b/rpcs3/Emu/SysCalls/Modules/sys_net.h
index 7d729504cd..09d39f0321 100644
--- a/rpcs3/Emu/SysCalls/Modules/sys_net.h
+++ b/rpcs3/Emu/SysCalls/Modules/sys_net.h
@@ -26,7 +26,12 @@ struct sys_net_sockaddr_in
 	u8 unused[8];
 };
 
+struct sys_net_in_addr
+{
+	be_t<u32> sa_addr;
+};
+
 struct sys_net_fd_set
 {
-	s32 fds_bits[8];
+	be_t<s32> fds_bits[8];
 };
\ No newline at end of file