[openfirmware] [commit] r2492 - cpu/x86
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svn at openfirmware.info
Wed Aug 31 10:22:38 CEST 2011
Author: wmb
Date: Wed Aug 31 10:22:38 2011
New Revision: 2492
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2492
Log:
X86 - Added "upsample6" word to firfilter.fth
Modified:
cpu/x86/firfilter.fth
Modified: cpu/x86/firfilter.fth
==============================================================================
--- cpu/x86/firfilter.fth Wed Aug 31 10:21:10 2011 (r2491)
+++ cpu/x86/firfilter.fth Wed Aug 31 10:22:38 2011 (r2492)
@@ -60,7 +60,7 @@
\ Convert a decimal fraction to a scaled integer multiplier
: mul: ( "coef" -- )
safe-parse-word push-decimal $number drop pop-base ( n )
- 1 mulscale lshift d# 1,000,000,000 */ ( n' )
+ 1 mulscale lshift d# 1,000,000,000 */ ( n' )
,
;
@@ -146,6 +146,8 @@
r> 3drop ( )
;
+: upsample6 ( inbuf /inbuf outbuf -- ) 2 8khz>khz ;
+
0 [if]
\ Here is some Matlab/Octave code to compute the weights
weights = remez(95, [0 .12 .215 1], [1 1 0 0]);
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