Instructions on how to fix the lock up bug near JFK on SD-12.
	In the same directory that SD-12.SCN is in,
	Type:
		DEBUG SD-12.SCN <enter>

	DEBUG will give prompt:

		-		(this is a DEBUG prompt)
	Type:
		RDS <enter>	(This will tell us the data segment)

	DEBUG will return with:

		DS xxxx          (xxxx is a four digit hexidecimal number)
		:		 (eg.  1ad9)	

	Type in xxxx + 1000 hex: (eg.  2ad9)

		2AD9 <enter>

	DEBUG will return with:

		-		 (DEBUG prompt)
	Type in:

		e A60F <enter>   (this means edit the byte at A60F)

	DEBUG will return with:

		CD:		 (this byte should be CD)
	Type in:
		1F <enter>       (change it to 1F)

	DEBUG will return with:

		-                (DEBUG prompt)
	Type in:
		e A610 <enter>	 (edit byte at A610)

	DEBUG will return with:

		FF:		 (this byte should be FF)
	Type in:
		00 <enter>       (change it to 00)

	DEBUG will return with:

		-                (DEBUG prompt)
	Type in:
		w <enter>        (Write the changes)

	DEBUG will return with:

		-		 (DEBUG prompt)
	Type in:
		q <enter>	 (quit DEBUG)