diff --git a/src/arch/i386.ins b/src/arch/i386.ins
index dec4732..34344ba 100644
--- a/src/arch/i386.ins
+++ b/src/arch/i386.ins
@@ -89,6 +89,7 @@
 #define OP_S8		AO_IMMEDIATE(AOF_SIGNED, 0, 8)
 #define OP_SW		AO_IMMEDIATE(AOF_SIGNED, 0, W)
 #define OP_U8		AO_IMMEDIATE(0, 0, 8)
+#define OP_U16		AO_IMMEDIATE(0, 0, 16)
 #define OP_UW		AO_IMMEDIATE(0, 0, W)
 
 
@@ -351,5 +352,7 @@
 { "div",	0xf7,		OP1F, OP_RMW_D8+6,AOT_NONE,  AOT_NONE	},
 { "div",	0xf7,		OP1F, OP_RMW_DW+6,AOT_NONE,  AOT_NONE	},
 { "div",	0xf7,		OP1F, OP_RMW_RW+6,AOT_NONE,  AOT_NONE	},
+/* ENTER	0xc8 iw		1     imm16       imm8			*/
+{ "enter",	0xc8,		OP1F, OP_U16,     OP_U8,     AOT_NONE	},
 /* NOP		0x90		1					*/
 { "nop",	0x90,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
diff --git a/test/i386.S b/test/i386.S
index dd08f4c..b4c0fbb 100644
--- a/test/i386.S
+++ b/test/i386.S
@@ -110,4 +110,8 @@
 	div	[%eax + $0x02]			/* f7 70 02		*/
 	div	[%ebx + $0x4012]		/* f7 b3 12 40 00 00	*/
 	div	%edx				/* f7 f2		*/
+	/* ENTER */
+	enter	$0xabcd, $0x0			/* c8 cd ab 00		*/
+	enter	$0xdcef, $0x1			/* c8 ef dc 01		*/
+	enter	$0xfacd, $0x42			/* c8 cd fa 42		*/
 	nop					/* 0x90			*/