fix comment for needwrite_polarity

diff --git a/detpic/reverse.asm b/detpic/reverse.asm
index 236e01edc0b01aee5628f213edb690c86ee9102a..c52fe160915e0bf4b7ab43add1684e7214d4cd0c 100644 (file)
--- 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