Click above to get retro games delivered to your door ever month!

 Linking real mode programs
 Static overlays
 Dynamic overlays
 The overlay area
 Caching of overlays
 Internal and external overlays

 Load size, .EXE size and memory
 Load size
 The Blinker overlay area
 .EXE size
 True memory requirements

 Choosing what to overlay
 Code that cannot be overlaid
 Using libraries
 Ordering the libraries