What you need to do is modify the original source from http://psgroopic.blogspot.com/ (the bootloader-aware source is at the bottom - SGrooPICVx.x_SRC_wBTL_CCS.zip). The changes that should be made are in main.c:
Originally Posted by kainylegacy
For 20MHz clock, replace line:
For code offset from 0x2000, replace line:
#define CODE_START 0x1000
LED is already OK:
#define CODE_START 0x2000
Compile and burn!
#define LEDR PIN_B4
For the future versions I will anyway recompile for myself and I have no problems sharing the hex.
Hope it helps!