ECC calculation tool

i like to know if anyone knows about a tool to build only the third layer error correction bytes (EDC and ECC) in mode 2 form1 sector


ECM tool (actually unecm) does almost that, but it requires the .ecm file as input along with the cd image file - anyway the nice author has GPLed the source code so you can modify the unecm.c to do just what you want:

Truman THANKS :flower: it was just what i was looking for .