Before adding MW+II support consider that MW+II is not public domain and the required PFG hardware is proprietary and not documented. James the MW+II developer is a member of the group, maybe he will give some guidance on this.
I am aware. I don't believe any approach that allows this to work on LisaEm would take away sales of MWII+, rather it would provide compatibility within LisaEm to allow it to run. You'd still need to obtain your own (presumably) legal copy of MWII+.
Whatever code I'd presumably write to work around the PFG would not be applicable to a physical Lisa running MWII+ w/o the PFG as it would not provide proper timing for floppy and/or serial ports, and would only be another case of HLE. This would not duplicate an actual PFG, nor allow for someone to use it as a way to duplicate a PFG. If anything, it would be free advertising for it.
But I would note that things such as (mini and the original) vMac, Basilisk II, Executor, and the like exist, which do provide far better Macintosh emulation than anything I could provide with LisaEm.
At least one person asked privately about providing more MW support and has mentioned MWII+ specifically as an example. The goal here would be to allow someone who owns a well loved Lisa, with a highly customized/personalized setup, and be able to take an image of their Widget/ProFile, and take their apps and files with them on their laptop and enjoy them wherever they go.
(This has been a general goal I've had for years - to be able to run emulators of all of the various machines I've owned and enjoyed over the years since over several decates. i.e. CBM PET, VIC20, C64, C128, ZX81, SPARC, SGI Indy, HPPA, Canon Cat, IIe, IIgs, toaster Macs, color Macs, PPC Macs, G4 macos x, Alpha AXP, SPARC, UltraSPARC, AIX machines, TRS-80 model 100, Newtons, etc. all on my laptop, accessible anytime and anywhere.)
However, if this is something James objects to, I'll skip it.