From b0c546269408e0ea7df4a6b6d9b1dc7a294e7307 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Sun, 28 Oct 2007 23:21:46 -0700
Subject: [PATCH] Fix bogus flagging of effective addresses as invalid

Ah, what a difference a single ~ makes... such as flagging invalid EAs
as valid and vice versa.
---
 assemble.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/assemble.c b/assemble.c
index 83a9a8a0..18cc7cff 100644
--- a/assemble.c
+++ b/assemble.c
@@ -1931,7 +1931,7 @@ static ea *process_ea(operand * input, ea * output, int bits,
 		ix = 0;
 	    }
 
-	    if (b != -1 && b >= EXPR_REG_START && b < REG_ENUM_LIMIT) {
+	    if (b >= EXPR_REG_START && b < REG_ENUM_LIMIT) {
                 bt = regvals[b];
 		bx = reg_flags[b];
 	    } else {
@@ -1957,7 +1957,7 @@ static ea *process_ea(operand * input, ea * output, int bits,
 			return NULL; /* Invalid register */
 		    if (~sok & bx & SIZE_MASK)
 			return NULL; /* Invalid size */
-		    sok &= ~bx;
+		    sok &= bx;
 		}
 
                 /* While we're here, ensure the user didn't specify
-- 
2.11.4.GIT