cuda fixes


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@950 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/adb.c b/hw/adb.c
index 6442d79..2d230a6 100644
--- a/hw/adb.c
+++ b/hw/adb.c
@@ -63,8 +63,8 @@
     int devaddr, cmd, i;
     uint8_t obuf[4];
 
-    cmd = buf[1] & 0xf;
-    devaddr = buf[1] >> 4;
+    cmd = buf[0] & 0xf;
+    devaddr = buf[0] >> 4;
     if (buf[1] == ADB_BUSRESET) {
         obuf[0] = 0x00;
         obuf[1] = 0x00;