* rx/rx.c (decode_opcode): btst bit address mask fix.

diff --git a/sim/rx/ChangeLog b/sim/rx/ChangeLog
index 67b8958..bb3b451 100644 (file)
--- a/sim/rx/ChangeLog
+++ b/sim/rx/ChangeLog
@@ -1,3 +1,7 @@
+2009-12-22  Yoshinori Sato  <ysato@users.sourceforge.jp>
+
+       * rx/rx.c (decode_opcode): btst bit address mask fix.
+
 2009-11-30  DJ Delorie  <dj@redhat.com>
 
        * rx/rx.c (decode_opcode): fix SWHILE logic.

diff --git a/sim/rx/rx.c b/sim/rx/rx.c
index 68329e2..c9c3c01 100644 (file)
--- a/sim/rx/rx.c
+++ b/sim/rx/rx.c
@@ -676,7 +676,7 @@ decode_opcode ()
     case RXO_btst:
       ma = GS ();
       mb = GS2 ();
-      if (opcode.op[0].type == RX_Operand_Register)
+      if (opcode.op[1].type == RX_Operand_Register)
        mb &= 0x1f;
       else
        mb &= 0x07;