Terminate and Stay Resident now a fixme because it shouldn't be a
trace since it doesn't work.

msdos/int21.c

diff --git a/msdos/int21.c b/msdos/int21.c
index 6acefe3..3c5693c 100644
--- a/msdos/int21.c
+++ b/msdos/int21.c
@@ -1214,8 +1214,7 @@
         break;
 
     case 0x31: /* TERMINATE AND STAY RESIDENT */
-        TRACE(int21,"TERMINATE AND STAY RESIDENT stub\n");
-        INT_BARF( context, 0x21 );
+        FIXME(int21,"TERMINATE AND STAY RESIDENT stub\n");
         break;
 
     case 0x32: /* GET DOS DRIVE PARAMETER BLOCK FOR SPECIFIC DRIVE */