5 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	c2c57b47d5	Add type annotations	2019-06-14 22:03:37 +01:00
kris	4251c9938f	Remove unused code. ... Add a new DHGRBitmap class that efficiently represents the DHGR interleaving of the (aux, main) MemoryMap as a sequence of 28-bit integers. This allows for easily extracting the 8-bit and 12-bit subsequences representing the DHGR pixels that are influenced when storing a byte at offsets 0..3 within the interleaved (aux, main, aux, main) sequence. Since we have precomputed all of the pairwise differences between these 8- and 12-bit values, this allows us to efficiently compute the edit distances between pairs of screen bytes (and/or arrays)	2019-06-13 23:44:41 +01:00
kris	bbfcacd674	Move transcoder to new location	2019-03-21 16:10:16 +00:00