Re: Torpedo Fire by SSI

[winston19842005 <bjjlyates@NOSPAMbellsouth.net>]

On 8/3/08 4:58 AM, in article s9WdnUJp1vKG7gjVnZ2dnUVZ_h3inZ2d@comcast.com,
"Michael J. Mahon" <mjmahon@aol.com> wrote:

> 
> Fair enough--a ShrinkIt archive of the Applesoft program in memory--
> apparently called P2--is in your mailbox.  ;-)

Would you mind sharing that listing? Just curiosity at present...

> 
> BTW, the "auto-RUN flag" ($D6) was set to $80, which prevents
> direct commands from working.  I entered the debugger in
> AppleWin and set $D6 to zero, then switched to text mode
> and found the file LISTable.
> 
> I then examined $67.68 to find the starting address of the
> Applesoft program ($6001) and $AF.B0 to find the end
> address ($904E).
> 
> Since this range is comfortably out of the range trampled
> by a DOS 3.3 boot, I switched the S6,D1 image to the
> DOS Master disk and did a PR#6 to boot it.  This loads
> a standard, usable DOS in place of SSI's non-standard one.
> 
> I then did CALL-151 to enter the monitor and set $67.68
> and $AF.B0 to the correct values (above), and SAVEd
> the program to a blank disk image in S6,D2.


Show off!  ;-D