diff --git a/bbc_micro_de1.vhd b/bbc_micro_de1.vhd
index fa7b2e8..991fb40 100644
--- a/bbc_micro_de1.vhd
+++ b/bbc_micro_de1.vhd
@@ -781,6 +781,8 @@ begin
 		LEDR(2) -- WATCHPOINT
 		);
 
+	debug_aux <= (others => '0');
+
 	-- 6502 CPU
 	cpu : T65 port map (
 		cpu_mode,
@@ -929,7 +931,10 @@ begin
 		mhz4_clken,
 		clock
 		);
-		
+
+	user_via_ca2_in <='0';
+	user_via_pa_in <=(others => '0');
+
 	--LEDG(0) <= not PS2_CLK;
 	--LEDG(1) <= not PS2_DAT;
 
@@ -972,6 +977,12 @@ begin
 			LEDR(5), -- IS_DONE
 			LEDR(4) -- IS_ERROR
 		);
+	AUD_ADCLRCK <= '1';
+
+	UART_TXD <= '0';
+	DRAM_ADDR <= (others => '1');
+	LEDR(9 downto 6) <= (others => '0');
+	sys_via_pb_in(3 downto 0) <= (others => '1');
 	
 	-- Asynchronous reset
 	-- PLL is reset by external reset switch
@@ -1123,6 +1134,8 @@ begin
 			end case;
 		end if;
 	end process;
+
+	FL_DQ <= (others =>'Z');
 	
 	-- CPU data bus mux and interrupts
 	cpu_di <=
@@ -1325,5 +1338,9 @@ begin
 
 	GPIO_0(0) <= not (crtc_hsync xor crtc_vsync);
 	GPIO_0(1) <= crtc_de;
+	GPIO_0(2) <= ld_vsync;
+	GPIO_0(3) <= ld_hsync;
+	GPIO_0(35 downto 4) <= (others => '0');
+	GPIO_1 <= (others => '0');
 
 end architecture;