From: ian <ian>
Date: Sun, 25 Dec 2005 18:09:41 +0000 (+0000)
Subject: fix comment for needwrite_polarity
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=096530f0b1629eeb4bd7ebffce1e9dbe7f753acd;p=trains.git

fix comment for needwrite_polarity
---

diff --git a/detpic/reverse.asm b/detpic/reverse.asm
index 236e01e..c52fe16 100644
--- a/detpic/reverse.asm
+++ b/detpic/reverse.asm
@@ -182,9 +182,8 @@ polarity_master_init
 needwrite_polarity
 ;  needwrite_<something> will see if we need to talk to a slave
 ;    if not it will simply return
-;    if we _do_, it will store the slave no. in needwrite_slave
-;     and then pop and return.  In this case getwritebyte_polarity
-;     on this slave must provide a byte next time it is called.
+;    if we _do_, it will put the slave no. in W, and then pop
+;     and branch to i2c_needwrite.  See mascan.asm.
 ;  nb register usage may need to be adjusted for wiring into mascan i2cm_...
 	mov_lfsr polarity_cmds, 0
 polarity_needwrite_loop