256x256 SCR file sample

[pjw]

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I have updated my tool, now it supports Mode 16. Could you test it? Tool does NOT add extra bytes in PIC file, so let me know if it can cause a problem.
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So, I did a quick test of a single PNG image, just to get the gist of DaDither.
You appear to have got the GD2 mode 16 PIC header right
The composite image below shows three of my results, with a small piece of the
converted image above, and a tiny peice of that again magnified below each
image.

From left to right:
1. PNG converted to PIC with PHGTK. This looks pretty much like the original, as
viewed on the PC side.
2. PNG converted with DaDither, using the Floy-Steinberg setting
3. As above using the <none> setting.

All the other filters produced a slightly different, but similar, "speckled"
appearance as the middle item.

[Dec]

You appear to have got the GD2 mode 16 PIC header right

So real machine/emulator can load PIC files as expected without any problem? And what about files created in 32/33 modes?