diff --git a/dec/HILO.BAS b/dec/HI-LO.BAS
similarity index 100%
rename from dec/HILO.BAS
rename to dec/HI-LO.BAS
diff --git a/dec/SPACEWR.BAS b/dec/SPACWR.BAS
similarity index 100%
rename from dec/SPACEWR.BAS
rename to dec/SPACWR.BAS
diff --git a/port/HILO.BAS b/port/HI-LO.BAS
similarity index 100%
rename from port/HILO.BAS
rename to port/HI-LO.BAS