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Re: Qix - Filecracked! (With Caveats)



On Tuesday, October 23, 2012 12:50:40 PM UTC-5, Steve Nickolas wrote:
> Replying to myself again.  I got it to load without compressing; it still 
> 
> needs 2 stages, and can now use a BASIC loader instead of requiring a TEXT 
> 
> loader.
> 
> 
> 
> http://1.buric.co/qixfile.zip
> 
> 
> 
> It still has the same garbled title screen issue.  It loads remarkably 
> 
> fast compared to the standard version, probably because it doesn't display 
> 
> THREE DHGR GRAPHICS (plus a Taito logo over the first one) while starting 
> 
> up.
> 
> 
> 
> Included are:
> 
> 
> 
> 1. qixfile.dsk - the actual disk image.
> 
> 2. qix1c.a65 and qix2c.a65, plus listings of their assembly.
> 
>     (These are QIXLC and QIXGO on the disk image.)
> 
> 3. qix-base.bin - A dump of the contiguous 48K of memory at the startup
> 
>     point, created with AppleWin.
> 
> 4. The remaining 8 files are a dump of the D000-FFFF block of memory in
> 
>     every bank (C = alternate D; "2" is assumed to be the main bank), as
> 
>     generated with the help of ApplePC (yes, I still use this from time to
> 
>     time) and EDM.
> 
> 
> 
> What may be possible is that some of the language card data is tampered 
> 
> with by the monitor and this could be responsible for the title screen 
> 
> issue.  The next attempt will be to write a tool, loadable from the 
> 
> AppleWin debugger, to save this memory without the assistance of EDM.
> 
> 
> 
> -uso.

If you point me in the direction of the nibblized version, I'll send you the memory dumps of the title screen.  :-)

-B