Run the binary with the -in option specifying the input file and the -out option specifying the desired output file.
Use -reverse to convert B16 to a PC graphics format
Check the flags with -help
## Testing
Use the test.sh script from an environment with Bash available to automatically convert PACK.png and TEST.png to B16 at various resolutions and bitdepths, with and without dithering. It also converts back to PNG from the B16 files to test that functionality.