Peter Helcmanovsky (Ped)
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00d084105a
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z80_unpacker: optimisation: -2B in backward unpack (fwd 172B / rev 169B)
backward was already -1B, so now the total difference is -3B.
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2022-09-19 01:31:22 +02:00 |
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Peter Helcmanovsky (Ped)
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8e5298caee
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z80_unpacker: optimisation: -1B in decode_number = 172B (but +4T per length)
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2022-09-19 01:09:21 +02:00 |
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Peter Helcmanovsky (Ped)
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1fb29f3a1b
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z80_unpacker: optimisation: -1B and -1T in decode_bit = 173B
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2022-09-18 23:44:18 +02:00 |
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Peter Helcmanovsky (Ped)
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165f593a11
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z80_unpacker: (codestyle) whitespace + temporary label rename
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2022-09-18 23:04:37 +02:00 |
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Peter Helcmanovsky (Ped)
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d4bce4bf7c
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z80_unpacker: optimisation: -3B and ~-10T in decode_bit = 174B
unpack zx48.rom is now ~22.6s (from 23.0s)
(performance version is now 199 bytes, zx48.rom unpack 19.4s -> 19.0s)
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2022-09-18 22:54:10 +02:00 |
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Peter Helcmanovsky (Ped)
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b13fa05413
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z80_unpacker: add backward variant of unpacker + example extended
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2022-09-18 00:23:14 +02:00 |
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Peter Helcmanovsky (Ped)
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3c773aca8d
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z80_unpacker: add performance variant of depacker
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2022-09-16 03:38:03 +02:00 |
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Peter Helcmanovsky (Ped)
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9211544cb9
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z80_unpacker: add resulting snapshot file to example
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2022-09-15 18:37:06 +02:00 |
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Peter Helcmanovsky (Ped)
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3fa9e0fa12
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z80_unpacker: optimisations: 0B, -13T in decode_bit (stays 177B)
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2022-09-15 18:22:33 +02:00 |
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Peter Helcmanovsky (Ped)
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aa3fad4d80
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z80_unpacker: optimisations: -3B and ~-24T in decode_bit = 177B
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2022-09-15 18:22:32 +02:00 |
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Peter Helcmanovsky (Ped)
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6624940ed9
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z80_unpacker: optimisations: -2B and -27T in decode_bit = 180B
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2022-09-15 18:22:32 +02:00 |
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Peter Helcmanovsky (Ped)
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c3a9773e5c
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z80_unpacker: optimisations: -1B in unpack implementation = 182B
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2022-09-15 18:22:31 +02:00 |
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Peter Helcmanovsky (Ped)
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a75a35efb2
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z80_unpacker: probs context-size for offset/length numbers as EQU
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2022-09-15 18:22:27 +02:00 |
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Peter Helcmanovsky (Ped)
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c7ea11bce3
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z80_unpacker: optimisations: -2B in unpack implementation = 183B
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2022-09-14 01:44:04 +02:00 |
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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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