Is it possible to just load the converted .sof file only within the NEEK application selector?There might be plenty of other FPGA designs not using NIOSII (o;
take a look at the source code for the application selector. it checks to see if there are 2 .fla(sh) files in a single directory to see if its a valid application. so i guess the next step is trying an empty file named something_sw.flash. if it doesn't work you'll have to modify the bootloader code to skip the software if its not present.
Okay...copied some other small xxx_sw.flash file from the demos and it works...it didn't work with just a plaint text file for example being renamed..so it checks for a valid .elf file...So back to prepare the zx_spectrum_hw.flash (o;