About This File
This is just a simple Basic program with the four bug fixes** in it as well as the keypad bypass. Its longer than it really should be by quite a way to make it easy to follow and edit if required.
Simply load and run it and play in the original JSW tape.
If you wished to save a 'modified' copy of the code block, simply delete line 440 or change it to include a STOP
** The 'Move invisible object from "Landing" to "Hall" fix' was very slightly tweaked to give the 'new' object a tiny square shape.