how to test

diff --git a/cebpic/nmra-stream.asm b/cebpic/nmra-stream.asm
index 69a4ffd70ddbce757d78478eb3964d20a9fc9674..70c4e6511a12a335da8dd06eb5cb575480e76da9 100644 (file)
--- a/cebpic/nmra-stream.asm
+++ b/cebpic/nmra-stream.asm
@@ -1,4 +1,13 @@
 
+; can be tested with liberator's mic input:
+;   1k1, 110k resistor divider from track gives 1/100 track
+;   voltage to mic input
+; then
+;   sox -r 96000 -u -b -t ossdsp /dev/dsp t.dat
+;   perl -pe '$_= m/\-/ ? "_" : "~"' <t.dat | fold -290 | perl -pe 's/$/\n\n\n/' >u
+; in an xterm showing font "tiny"
+;   less u
+
 ; pin 21 (per-pic-led, RD2/PSP2/C1IN) states: 
 ;  high H = green, low L = red, float Z = black
 

diff --git a/detpic/nmra-stream.asm b/detpic/nmra-stream.asm
index 69a4ffd70ddbce757d78478eb3964d20a9fc9674..70c4e6511a12a335da8dd06eb5cb575480e76da9 100644 (file)
--- a/detpic/nmra-stream.asm
+++ b/detpic/nmra-stream.asm
@@ -1,4 +1,13 @@
 
+; can be tested with liberator's mic input:
+;   1k1, 110k resistor divider from track gives 1/100 track
+;   voltage to mic input
+; then
+;   sox -r 96000 -u -b -t ossdsp /dev/dsp t.dat
+;   perl -pe '$_= m/\-/ ? "_" : "~"' <t.dat | fold -290 | perl -pe 's/$/\n\n\n/' >u
+; in an xterm showing font "tiny"
+;   less u
+
 ; pin 21 (per-pic-led, RD2/PSP2/C1IN) states: 
 ;  high H = green, low L = red, float Z = black