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-rw-r--r--sim/rx/ChangeLog4
-rw-r--r--sim/rx/rx.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/sim/rx/ChangeLog b/sim/rx/ChangeLog
index 67b8958..bb3b451 100644
--- 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
--- 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;