Merging multiple discs - remove & add files to bin/cue

Now, this is related to an earlier topic, PDS`s Debug Menu

I thought it would be fun to dump all files of the 4 discs into one image, so that one can access all points of the game without changing the disks or running into error screens ("file not found" screen requires hard reset every time).
Its not that easy of course; but there are some tools like SegaSaturnPatcher(SSP) and CDMage(CDM) to achieve this.

Here's what i've done so far:
1.) extracting all files of the discs 2-4; size ~1.7GB
2.) as the discs share some content; get rid of duplicate/redundant files
3.) to further reduce size, i removed most cut scene movies/CPK files as well; remaing files from disc 2,3,4: <500MB
4.) Edit the Image of Disc1; the only tool capable of actually removing most CPK files from the Image of Disc1 was AnyBurn, successfully reducing size to <230 MB
unfortunately, saving the results strips the image off the 2 audiotracks
5.) loading the edited Disc1 image in SSP, creating a Patch with content from discs2,3,4 - merging the files to one Image based on Disc1
6.) checking for corrupted Sectors with CDM
7.) checked/repaired IP.bin with HxD editor

So, this is some Frankensteinshit right there already, but...

-the resulting Image has a size within the boundaries of a CD
-it boots up and even plays the Intro-Movie but then resets the game and goes to the CD-Player GUI

As mentioned above, audiotracks are missing from the image, re-inserting them via SSP Patch results in SSP crashing :-(
Does anyone know if this is possible AT ALL?
Are the some other tools/steps i probably missed?
I assume AnyBurn may not be the best Software to deal with Saturn games.

Would be superfun to get this working 🙂
 
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