diff --git a/boards/terasic_de0/apple-one.qsf b/boards/terasic_de0/apple-one.qsf
index 1ffdfbe..d9bee88 100644
--- a/boards/terasic_de0/apple-one.qsf
+++ b/boards/terasic_de0/apple-one.qsf
@@ -361,6 +361,7 @@ set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to UART_CTS
 set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to UART_RXD
 set_global_assignment -name ENABLE_SIGNALTAP ON
 set_global_assignment -name USE_SIGNALTAP_FILE output_files/stp1.stp
+set_global_assignment -name VERILOG_FILE ../../rtl/rom_basic.v
 set_global_assignment -name VERILOG_FILE ../../rtl/ps2keyboard/ps2keyboard.v
 set_global_assignment -name VERILOG_FILE ../../rtl/boards/terasic_de0/segmentdisplay.v
 set_global_assignment -name VERILOG_FILE ../../rtl/cpu/arlet/cpu.v
diff --git a/rtl/apple1.v b/rtl/apple1.v
index 256f024..741834b 100644
--- a/rtl/apple1.v
+++ b/rtl/apple1.v
@@ -134,7 +134,7 @@ module apple1(
     wire [7:0] basic_dout;
     rom_basic #(BASIC_FILENAME) my_rom_basic (
         .clk(clk25),
-        .address(ab[7:0]),
+        .address(ab[11:0]),
         .dout(basic_dout)
     );
 
diff --git a/rtl/rom_basic.v b/rtl/rom_basic.v
index cc52cc7..296b0c1 100644
--- a/rtl/rom_basic.v
+++ b/rtl/rom_basic.v
@@ -1,12 +1,12 @@
 module rom_basic(
     input clk,
-    input [7:0] address,
+    input [11:0] address,
     output reg [7:0] dout
     );
 
     parameter ROM_FILENAME = "../roms/basic.hex";
 
-    reg [7:0] rom[0:4095];
+    reg [11:0] rom[0:4095];
 
     initial
         $readmemh(ROM_FILENAME, rom, 0, 4095);
diff --git a/rtl/uart/uart.v b/rtl/uart/uart.v
index 247bdc9..4056041 100644
--- a/rtl/uart/uart.v
+++ b/rtl/uart/uart.v
@@ -115,6 +115,12 @@ module uart(
                     // This causes the UART to ignore the very first byte sent.
                     if (~uart_tx_status && uart_tx_init)
                     begin
+
+                        `ifdef SIM
+                        if ((din & 8'h7f) >= 32)
+                            $write("%c", din & 8'h7f);
+                        `endif                    
+
                         uart_tx_byte <= {1'b0, din[6:0]};
                         uart_tx_stb <= 1;
                     end