Simple Binary hex viewer without eddeting + clear

There should be 2 portions of this program [login to view URL] [login to view URL] [login to view URL] Please see these videos for details The 3rd video, ultimately when a user presses the "Clear button" should change the buffer in pre-programmed areas to FF's and 00's as seen in the video. These setting would be located in the MODs that are part of the LIST and should be a separate built where I would make changes add more MODs and compile 1. A simple binary file viewer non editable, open and save which will have a clear button that will remove pre-programmed portions of the dumb(hex) These will be based on the 2nd part of the program call the LIST files which will contain MODs and depending on the MOD selected it will remove different parts of the buffer or replace with 00's FF's Please see the video's for better understanding LIST files should check with the main program the registration name , address etc.. they should be a custom extension so few MOD files that will write continues FF's like 580 to 620 and 780 to 830 and individual write FF in line A0 than A7 Questions let me know