Windows CI build on AppVeyor.

README.md

@@ -2,6 +2,7 @@
 
 [![Coverity Scan Build Status](https://scan.coverity.com/projects/11982/badge.svg)](https://scan.coverity.com/projects/simh)
 [![Build Status](https://travis-ci.org/simh/simh.svg)](https://travis-ci.org/simh/simh)
+[![AppVeyor](https://ci.appveyor.com/api/projects/status/github/simh/simh)](https://ci.appveyor.com/project/simh/simh/history)
 
 ## Table of Contents:
 [WHAT'S NEW since simh v3.9](#whats-new-since-simh-v39)  

appveyor.yml

@@ -0,0 +1,13 @@
+platform:
+  - x86
+cache:
+  - ../windows-build
+skip_commits:
+  files:
+    - doc/*
+    - '**/*.md'
+    - '**/*.txt'
+before_build:
+  "\"C:\\Program Files (x86)\\Microsoft Visual Studio 9.0\\VC\\vcvarsall.bat\""
+build_script:
+  cmd: cd "Visual Studio Projects" & vcbuild /M%NUMBER_OF_PROCESSORS% /useenv /rebuild Simh.sln "Release|Win32"