I was following this in Telegram also as I wanted to open 'Fuse' for the 48k Spectrum. I managed to do this also.
The Custom Complier Parameters I set for this are :- ' -O 3 -S 32768 -H 10000 --enable-break --explicit -i --strict -f tap -B -a'
and the .bat file code is :- "C:\Program Files (x86)\Fuse\fuse.exe" -m 48 --auto-load %1%2.tap
Command Line Options can be found here Command Line Options
The Custom Complier Parameters I set for this are :- ' -O 3 -S 32768 -H 10000 --enable-break --explicit -i --strict -f tap -B -a'
and the .bat file code is :- "C:\Program Files (x86)\Fuse\fuse.exe" -m 48 --auto-load %1%2.tap
Command Line Options can be found here Command Line Options