diff png.h @ 1894:55d034719345

Fix regression in handling of color index 0 in Mode 4. Support Mode 4 in CRAM viewer window
author Michael Pavone <pavone@retrodev.com>
date Mon, 06 Jan 2020 18:36:36 -0800
parents 0ec89dadb36d
children eb45ad9d8a3f
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