Mercurial > hg > dmlib

changeset 540:54fefbd9aa31

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add helper macros for getting hi/lo bytes of 16bit BE words and use them.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 22 Nov 2012 22:24:33 +0200
parents 8d7b6fecbb24
children 7ca6abbbbb40
files lib64gfx.c
diffstat 1 files changed, 5 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/lib64gfx.c	Thu Nov 22 22:19:12 2012 +0200
+++ b/lib64gfx.c	Thu Nov 22 22:24:33 2012 +0200
@@ -57,10 +57,14 @@
 };
 
 
+#define DM_GET_ADDR_LO(addr) (addr & 0xff)
+#define DM_GET_ADDR_HI(addr) ((addr >> 8) & 0xff)
+
 
 static BOOL dmCompareAddr16(const Uint8 *buf, const size_t offs, const Uint16 addr)
 {
-    return (buf[offs] == (addr & 0xff)) && (buf[offs + 1] == ((addr >> 8) & 0xff));
+    return buf[offs] == DM_GET_ADDR_LO(addr) &&
+           buf[offs + 1] == DM_GET_ADDR_HI(addr);
 }