The library was called 8087 Support Library. Here is the manual for it and it seems that library was not part of the Intel ASM86:
http://bitsavers.trailing-edge.com/pdf/intel/MDS3/121725-001_8087_Support_Library_Reference_Aug81.pdf
It seems I asked about that and later 387 libraries here but...
Hi. I am looking for any later version of Sunshine EXPRO-40 Programmer's software than V1.05 which is available on Matthieu's and danbbs.dk web sites. Robert on his danbbds.dk writes that the latest version was from the beginning of 1992 and is 3.16.
Hi. I am and probably others would be interested too in having the software for that card (I own its clone too). The schematics which you were looking for is in this archive:
http://mirrors.apple2.org.za/ftp.apple.asimov.net/unsorted/Adalab-software-manuals.zip
The web site would have been much more useful had some of these cards been available for purchase but most of them are literally swallowed instantly when they popup by a few collectors and many parasitic resellers and for ridiculous prices. Thus nowadays no further development, support and...
Real floppy drives are still widespread and much more cheaper than floppy partial emulators and I do recommend you to use physical fdds. Yes, I am skilled to maintain drives since my childhood, and I have plenty of DD diskettes and drives that were manufactured locally back then and I don't...
There is no such thing as "right address" in this case. You have to go deeper and figure out what the code in question is accessing and requiring in the I/O address space in the first place.