Apple-2-SW/ii-vision
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ca817999f6e5af3b1cfd04ceadcb97ae9a6b5bbe
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3 Commits

Author SHA1 Message Date
kris
ca817999f6 Parametrize the RGB palette to encode with, and support both NTSC and 
IIGS palettes.

Move the palette diff_matrix generation into make_data_tables.py since
that is the only place it is used.

Demand-load the edit distance matrices when transcoding.
 2019-06-15 21:02:00 +01:00
kris
824154fd39 Compress the precomputed edit_distance arrays 2019-06-14 22:08:34 +01:00
kris
fb14a20380 Precompute the edit distance between the 8-bit (2-pixel) and 12-bit 
(3-pixel) sequences that may be modified when storing bytes to the
DHGR display.

This relies on producing an efficient linear representation of the
DHGR framebuffer in terms of a packed 28-bit representation of (Aux,
Main, Aux, Main) screen bytes.
 2019-06-13 23:27:30 +01:00