From: Jack Lange <jacklange@cs.pitt.edu>
Date: Thu, 5 Jan 2012 22:50:38 +0000 (-0500)
Subject: fix CGA status byte bug
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=23d960abbf316e9b33c99bfb51c6159b1eeeff07;p=palacios.git

fix CGA status byte bug
---

diff --git a/palacios/src/devices/cga.c b/palacios/src/devices/cga.c
index 3fe3743..d99275e 100644
--- a/palacios/src/devices/cga.c
+++ b/palacios/src/devices/cga.c
@@ -612,8 +612,10 @@ static int inp_status1_read(struct guest_info * core, uint16_t port, void * dest
 
     /* next write to attrc selects the index rather than data */
     video_state->attrc_index_flipflop = 0;
+    memset(dest, 0x0, length);
 
-    return notimpl_port_read(priv_data, __FUNCTION__, port, dest, length);
+    handle_port_read(priv_data, __FUNCTION__, port, dest, length, 1);
+    return length;
 }
 
 static int feat_ctrl_read(struct guest_info * core, uint16_t port, void * dest, uint_t length, void * priv_data) {