I'm retired, but you might be able to persuade me to do this work; twist my ARM.
And I know that in your original post you were referring to Intel HEX format; suitable for loading into a PIC programmer. For those unfamiliar, see http://en.wikipedia.org/wiki/Intel_hex It's been around a long time.
~23 years C/C++ programming
~12 years PIC programming
I can write a program for you in assembly language for this chip. I can even write the program to the chip for you if you mail it to me., contact me on firstname.lastname@example.org and we will discuss what you need done and also payment