we have no sound rom

diff --git a/galaxian/src/roms.v b/galaxian/src/roms.v
index 3a0cf4f68b0c124004405af2e1791f4773d5111f..02c0bd2ea199f73264e2e095348e6bec573d0a41 100644 (file)
--- a/galaxian/src/roms.v
+++ b/galaxian/src/roms.v
@@ -133,6 +133,10 @@ begin
                H_ROM_A <= I_ADDR[10:0];
                DATA_OUT <= H_ROM_D;
        end
+       if (I_ADDR >= 18'h10000 && I_ADDR <= 18'h3fff) begin
+               //sound
+               DATA_OUT <= 8'h00;
+       end
 end
 
 assign O_DATA = DATA_OUT;