Peter Helcmanovsky (Ped)
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02d20867ee
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z80_unpacker: optimisations: -2B in unpack implementation = 185B
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2022-09-14 01:01:56 +02:00 |
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Peter Helcmanovsky (Ped)
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511ddefc08
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z80_unpacker: optimisations: -4T per offset/length bit decoded
making the 256-alignment of probs array even more baked-in, but there
was no real chance to get rid of that any way
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2022-09-14 00:01:51 +02:00 |
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Peter Helcmanovsky (Ped)
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d30baaa91f
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z80_unpacker: optimisations: -1B by keeping write_ptr in DE'
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2022-09-13 23:57:59 +02:00 |
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Peter Helcmanovsky (Ped)
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919a892ef0
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z80_unpacker: optimisations: -1B by decode_length returning CF=0
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2022-09-13 23:25:03 +02:00 |
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Peter Helcmanovsky (Ped)
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ea5c0b1b15
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z80_unpacker: optimisations: shorter >>4 in probs update
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2022-09-13 23:15:18 +02:00 |
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Peter Helcmanovsky (Ped)
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a19ec2abb7
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z80_unpacker: optimisations: remove .offset init
first offset is mandatory in packed data
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2022-09-13 22:53:15 +02:00 |
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Peter Helcmanovsky (Ped)
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7b051113e1
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z80_unpacker: initial working version with screen-slideshow example
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2022-09-13 22:12:03 +02:00 |
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f1f1c64a76
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implement simplified prob update, update unpack.c
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2022-09-10 12:01:42 +02:00 |
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36cb6d77b5
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BE bitstream, flip bit encoding
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2022-09-10 11:31:09 +02:00 |
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629c5fce7d
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optimize c_unpacker state update a bit, add -b flag to --help
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2022-09-09 19:10:31 +02:00 |
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a205473ad6
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slight optimization
v0.1.0
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2022-09-09 08:32:03 +02:00 |
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4903ac3786
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c unpacker now works
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2022-09-09 00:47:33 +02:00 |
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f817dc9254
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first try of c decompressor, not working yet
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2022-09-08 23:42:03 +02:00 |
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d93aec186c
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add compressed_size function
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2022-06-19 23:08:47 +02:00 |
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3902425922
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add bitstream variant, could be useful on 8bit platforms
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2021-12-28 23:59:56 +01:00 |
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2e7983fc65
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use u8 context entries
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2021-12-27 22:35:53 +01:00 |
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f7f891e154
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fix creating broken files if they end with a match
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2021-12-27 22:34:14 +01:00 |
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08c86af06f
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some slight tweaks to the compressed format
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2021-12-27 16:58:39 +01:00 |
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7d280bd533
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unify interface, only one pack function now
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2021-11-26 21:58:28 +01:00 |
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c0560f99a8
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add compression levels
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2021-11-26 00:01:33 +01:00 |
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5fedc032a9
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speed optimizations + progress bar
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2021-11-25 22:43:39 +01:00 |
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5e82c65c18
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a few speed and/or compression ratio improvements
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2021-11-24 22:35:24 +01:00 |
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11b43f9bc4
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implement parsing packer + fix huge bug in match finder
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2021-11-24 09:28:18 +01:00 |
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470b778340
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change entropy coder from Range to rANS
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2021-11-22 23:14:24 +01:00 |
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479a2e2c89
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make packer usable as lib
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2021-11-20 16:27:35 +01:00 |
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8f23ec711f
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first version, only very simple greedy packer
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2021-11-19 21:40:37 +01:00 |
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