cartreader/extras/snesCIC/README.md

This is the hex file that needs to be flashed to the PIC12F629 if you want to dump SA1 SNES games.
Source: https://github.com/mrehkopf/sd2snes/tree/master/cic

You can build a simple PIC flasher for the COM port using the schematic provided here but you need to adapt the pinout from the PIC16F84 to the PIC12F629.

Source: http://www.instructables.com/id/Simple-JDM-PIC-Programmer/

In WxPic choose "COM84 programmer for serial port" as interface type.
You might also need to copy the PIC12F629.dev file from MPLAB into the devices folder.