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| author | Juan J. Martinez <jjm@usebox.net> | 2023-05-05 21:39:32 +0100 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2023-05-05 21:40:34 +0100 |
| commit | ca551c1700cf982fe96388491a096b515365894f (patch) | |
| tree | e40b9a95cb1f0169c553c19da4ff52c16e73035a /README.md | |
| parent | f10e1ea20cbadd151b20175f48ac902eac4ee0d7 (diff) | |
| download | tr8vm-ca551c1700cf982fe96388491a096b515365894f.tar.gz tr8vm-ca551c1700cf982fe96388491a096b515365894f.zip | |
Use the MSB of the index to mark a transparent color
Because we use 1 byte to store 4bpp, we don't need a mask and we can
encode a "transparent" color in the bits we don't use.
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -236,8 +236,10 @@ Read the file and add the content to the output at current position. .incpng "filename" Read the PNG image and add the content to the output at current position. The -image colours will be matched with the TR8 palette and any non-matchin color -will be condiered transparent and the image will be included with a mask. +image colours will be matched with the TR8 palette and any non-matching color +will be condiered transparent and the index `128` will be used. + +The blitter won't draw any pixel with index larger than 15. #### Load and Store |