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authoryokota <yokota@FreeBSD.org>1999-06-03 12:42:10 +0000
committeryokota <yokota@FreeBSD.org>1999-06-03 12:42:10 +0000
commit53f4c06394f49c442237b9555232d7fddd5340a4 (patch)
treee2508dec2f05be844979ac2469491a11b685d749 /usr.sbin/moused/moused.c
parentc8eab8c8632d748b5b4881dfb914a801eeebce5a (diff)
downloadFreeBSD-src-53f4c06394f49c442237b9555232d7fddd5340a4.zip
FreeBSD-src-53f4c06394f49c442237b9555232d7fddd5340a4.tar.gz
Fix PS/2 MouseMan+ protocol. We have been looking at a wrong place
for the sign bit for roller movement!
Diffstat (limited to 'usr.sbin/moused/moused.c')
-rw-r--r--usr.sbin/moused/moused.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.sbin/moused/moused.c b/usr.sbin/moused/moused.c
index ecb9053..91d224f 100644
--- a/usr.sbin/moused/moused.c
+++ b/usr.sbin/moused/moused.c
@@ -46,7 +46,7 @@
#ifndef lint
static const char rcsid[] =
- "$Id: moused.c,v 1.25 1999/02/28 09:18:57 yokota Exp $";
+ "$Id: moused.c,v 1.26 1999/03/01 04:47:37 gpalmer Exp $";
#endif /* not lint */
#include <err.h>
@@ -1507,7 +1507,7 @@ r_protocol(u_char rBuf, mousestatus_t *act)
if ((pBuf[0] & ~MOUSE_PS2_BUTTONS) == 0xc8) {
/* the extended data packet encodes button and wheel events */
act->dx = act->dy = 0;
- act->dz = (pBuf[1] & MOUSE_PS2PLUS_ZNEG)
+ act->dz = (pBuf[2] & MOUSE_PS2PLUS_ZNEG)
? (pBuf[2] & 0x0f) - 16 : (pBuf[2] & 0x0f);
act->button |= ((pBuf[2] & MOUSE_PS2PLUS_BUTTON4DOWN)
? MOUSE_BUTTON4DOWN : 0);
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