Does anyone have the file format/structure for .ttf files produced by Quartus? I'm trying to debug a problem with a microprocessor using the passive serial method to load an ACEX1K device.
I'm not sure anyone knows the formats. The last company I knew that tried to do this got sued by Altera. People have made greater inroads into Xilinx formats.
We had an issue loading the FPGA from a microprocessor. Our load was always failing after 855 bits. We were interested in understanding the file format of the .ttf file to see if we could extract some clues about why the load was failing. As it turned out, the problem was actually a compiler/linker issue with a bad address pointer.
--- Quote Start --- I'm not sure anyone knows the formats. The last company I knew that tried to do this got sued by Altera. People have made greater inroads into Xilinx formats. Exactly what problem are you trying to solve ? --- Quote End --- is it illegal？
