Here is my Saturn PNG decoding example (includes prebuilt versions of libpng and zlib): http://jiggawatt.org/badc0de/dpngsat.zip
And here are the libpng and zlib sources for Saturn/32X: http://jiggawatt.org/badc0de/lpng_lz-32x_sat.zip
There's a file named README_32X_SATURN.TXT in both the zlib and libpng directories that contains build instructions for the libraries.
And here are the libpng and zlib sources for Saturn/32X: http://jiggawatt.org/badc0de/lpng_lz-32x_sat.zip
There's a file named README_32X_SATURN.TXT in both the zlib and libpng directories that contains build instructions for the libraries.