P1: process (reset, set_time)
The begin
Case set_time is
When "00"=& gt; Load<='0'. Load1 & lt;='0'. Load2 & lt;='0'.
En_s & lt;='1'. En_m & lt;=co_s; En_h & lt;=co_m;
When "01"=& gt; Load<='1'. Load1 & lt;='0'. Load2 & lt;='0'.
En_s & lt;='0'. En_m & lt;='0'. En_h & lt;='0'.
When "10"=& gt; Load<='0'. Load1 & lt;='1'. Load2 & lt;='0'.
En_s & lt;='0'. En_m & lt;='0'. En_h & lt;='0'.
When "11"=& gt; Load<='0'. Load1 & lt;='0'. Load2 & lt;='1'.
En_s & lt;='0'. En_m & lt;='0'. En_h & lt;='0'.
The when others=& gt; Load<='0'. Load1 & lt;='0'. Load2 & lt;='0'.
En_s & lt;='1'. En_m & lt;=co_s; En_h & lt;=co_m;
end case;
End the process p1;
Us: counter60 port map (reset, clk_1s en_s, load0, set_date, s_out, co_s);
Um: counter60 port map (reset, clk_1s en_m, load1, set_date, m_out, co_m);
Uh, counter60 port map (reset, clk_1s en_h, load0, set_date, h_out, co_h);
Would you please tell me why you quartus9.1 why this program can appear error 10500, how to solve