From 2edf3d9ded3be1d24e6adecd2d55311055170bbb Mon Sep 17 00:00:00 2001
From: Bob Supnik <Bob@supnik.org>
Date: Mon, 13 Mar 2017 10:17:23 -0700
Subject: [PATCH] VAX: Annotated intentional fall throughs in switch statements
 (COVERITY)

---
 VAX/vax_cpu1.c |  4 +++-
 VAX/vax_sys.c  | 11 ++++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/VAX/vax_cpu1.c b/VAX/vax_cpu1.c
index ef6f710b..6b6f0251 100644
--- a/VAX/vax_cpu1.c
+++ b/VAX/vax_cpu1.c
@@ -1,6 +1,6 @@
 /* vax_cpu1.c: VAX complex instructions
 
-   Copyright (c) 1998-2016, Robert M Supnik
+   Copyright (c) 1998-2017, Robert M Supnik
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
@@ -23,6 +23,7 @@
    used in advertising or otherwise to promote the sale, use or other dealings
    in this Software without prior written authorization from Robert M Supnik.
 
+   13-Mar-17    RMS     Annotated fall through in switch
    14-Jul-16    RMS     Corrected REI rule 9
    21-Jun-16    RMS     Removed reserved check on SIRR (Mark Pizzolato)
    18-Feb-16    RMS     Changed variables in MxPR to unsigned
@@ -1542,6 +1543,7 @@ switch (prn) {                                          /* case on reg # */
 
     case MT_MAPEN:                                      /* MAPEN */
         mapen = val & 1;
+                                                        /* fall through */
     case MT_TBIA:                                       /* TBIA */
         zap_tb (1);                                     /* clr entire TLB */
         break;
diff --git a/VAX/vax_sys.c b/VAX/vax_sys.c
index a7fffc58..d6bf92c1 100644
--- a/VAX/vax_sys.c
+++ b/VAX/vax_sys.c
@@ -1,6 +1,6 @@
 /* vax_sys.c: VAX simulator interface
 
-   Copyright (c) 1998-2011, Robert M Supnik
+   Copyright (c) 1998-2017, Robert M Supnik
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
@@ -23,6 +23,7 @@
    used in advertising or otherwise to promote the sale, use or other dealings
    in this Software without prior written authorization from Robert M Supnik.
 
+   13-Mar-17    RMS     Annotated intentional fall throughs in switch
    21-Mar-11    RMS     Modified string for STOP_BOOT message
    19-Nov-08    RMS     Moved bad block routine to I/O library
    03-Nov-05    RMS     Added 780 stop codes
@@ -109,7 +110,7 @@ const char *sim_stop_messages[] = {
 
    The first entry contains:
         - FPD legal flag (DR_F)
-        - number of specifiers for decode bits 2:0>
+        - number of specifiers for decode bits <2:0>
         - number of specifiers for unimplemented instructions bits<6:4>
  */
 
@@ -875,7 +876,7 @@ for (i = 0; i < numspec; i++) {                         /* loop thru spec */
             break;
 
         case BDD:                                       /* @b^d(r),@b^n */
-            fputc ('@', of);
+            fputc ('@', of);                            /* fall through */
         case BDP:                                       /* b^d(r), b^n */
             GETNUM (num, 1);
             if (rn == nPC)
@@ -886,7 +887,7 @@ for (i = 0; i < numspec; i++) {                         /* loop thru spec */
             break;
 
         case WDD:                                       /* @w^d(r),@w^n */
-            fputc ('@', of);
+            fputc ('@', of);                            /* fall through */
         case WDP:                                       /* w^d(r), w^n */
             GETNUM (num, 2);
             if (rn == nPC)
@@ -897,7 +898,7 @@ for (i = 0; i < numspec; i++) {                         /* loop thru spec */
             break;
 
         case LDD:                                       /* @l^d(r),@l^n */
-            fputc ('@', of);
+            fputc ('@', of);                            /* fall through */
         case LDP:                                       /* l^d(r),l^n */
             GETNUM (num, 4);
             if (rn == nPC)