refreshed the compiled examples

examples/compiled/makedisk.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 c1541 -format examples,01 d64 examples.d64
 for filename in *.prg; do
   c1541 examples.d64 -write $filename ${filename%.*}

examples/compiled/readme.txt

@@ -1,7 +1,7 @@
 These .prg files are the compiled versions of most of the examples.
 They can be loaded and ran on a C64 or in an emulator, for example in Vice:
 
-x64  hello.prg
+x64sc  hello.prg
 
 will load and run the hello example.