I used the following to create a total of six files with extensions 24 to 26 and 41 to 43 from fz1_7536a.p00.
http://zarala.g2.xrea.com/soft/fzcc_unknown.txt
I then replaced them with files with the same extensions in fantzone, ran them through MAME and FBN, and they worked! (with CRC errors, of course).
I found the following differences compared to fantzone.
There is a few seconds of invincibility just after the start of stage.
There is a "MAP" sign on the left of the base radar.
The DIP switch can be set to continue or not, but the demo sound is fixed to off.
(While the Astro City Mini version has continue and demo sound?)
No remaining lives bonus after clearing the final stage (remaining lives will be carried over to the next lap).
After defeating the last boss, in MAME, the last boss drops tears but his face color is red; in FBN, the last boss does not drop tears but his face color is normal (same as the bug in the Playstation2 version).
From these it appears that the ROM files extracted from the Playstation2 version are correct, but both MAME and FBN have different bugs in each.