aboutsummaryrefslogtreecommitdiffstats
path: root/sound.v
diff options
context:
space:
mode:
authorhpa <hpa@trantor.hos.anvin.org>2008-12-20 12:18:47 -0800
committerhpa <hpa@trantor.hos.anvin.org>2008-12-20 12:18:47 -0800
commit61268167fb3b04aa18e02259d99dae8dfc7684f1 (patch)
treed473bd33da1e849dd6fb6efa4bd6f140d95c0cba /sound.v
parent28b0de5001e4f7d085c856e89933eab660b16025 (diff)
downloadabc80-61268167fb3b04aa18e02259d99dae8dfc7684f1.tar.gz
abc80-61268167fb3b04aa18e02259d99dae8dfc7684f1.tar.xz
abc80-61268167fb3b04aa18e02259d99dae8dfc7684f1.zip
Initial port to DE1 card
Enough of a port to DE1 for it to pass synthesis, but it doesn't fit in the design due to the high consumption of memories. This needs to be addressed by using the external flash.
Diffstat (limited to 'sound.v')
-rw-r--r--sound.v3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound.v b/sound.v
index ca3154d..5bd4d0f 100644
--- a/sound.v
+++ b/sound.v
@@ -75,7 +75,8 @@ module vco(
endmodule // vco
//
-// Noise (e.g. random number) generator./
+// Noise (e.g. random number) generator. The periodicity is ~2 Hz,
+// which should be inaudible.
//
module noise(
input clk, // 25 MHz