where can I find free FPGA IP core for 1553?

[ahmadagha23]

Hi friends;

Do you know where can I find free copy of FLIGHTCORE product of Condor Engineering Co.? I saw this matter in following site:
**broken link removed**

Or can any one help me to find a free or account-based IP core for MIL-STD1553
for XILINX or ALTERA or ACTEL FPGAs?

regards

 

[bis_]

May be this?
https://www.xilinx.com/bvdocs/appnotes/xapp369.pdf

bis