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overview
-----------------------------
- c2p.library is a fast lowlevel Amiga shared library for chunky2planar
conversion.
- c2p.library is designed to run the core loop entirely into the CPU
instruction cache, resulting a very fast conversion.
- being a standard Amiga shared library, you can use c2p.library with
your favourite development language.
- c2p.library can convert chunky data in any resolution, up to 2 Mpx.
- c2p.library is released under the MIT license.
features
-----------------------------
- convert 8 bit chunky buffer to 1-8 bitplanes planar Bitmap
- fully OS compliant
- automatic CPU detection to select the best conversion algorithm
- sources included
- fully documented
- supplied with SDK for C, Assembly and Amiga E
- free to use, for any personal or commercial software
requirements
-----------------------------
- os3.x (v39) or newer
- CPU 68020 or greater
recent changes
-----------------------------
v1.6
- if available, use Akiko chip (Amiga CD32) for c2p conversion.
v1.5.1
- fixed an issue in the delta conversion writeback algorithm.
v1.5
- added support for delta conversion: convert only the pixels
that are modified in new frame.
v1.4
- added support for interleaved bitmaps as target of c2p
conversion.
v1.3
- you can choose to convert only a limited number of chunky
pixels, selecting them using a source offset and placing the
result using a destination offset (eg: useful for chunky
Blitter objects).
v1.2
- ability to use custom bitmaps.
v1.1
- optimized conversion algorithm for processors with bigger
instruction cache (Motorola 68040 or greater).
v1.0
- first public release.
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Contents of dev/misc/c2plib.lhaPERMISSION UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[unknown] 23054 24435 94.3% -lh5- fdfb Apr 22 2022 c2plib/chunky2planar.ods
[unknown] 6893 20316 33.9% -lh5- c9bd Feb 3 22:26 c2plib/libs/c2p.library
[unknown] 649 1104 58.8% -lh5- 4e6d May 31 2023 c2plib/LICENSE
[unknown] 1064 4124 25.8% -lh5- e2ff Jan 25 02:35 c2plib/Makefile
[unknown] 716 1472 48.6% -lh5- 9215 May 7 2022 c2plib/Makefile-exe
[unknown] 925 1999 46.3% -lh5- 88a9 Mar 10 00:51 c2plib/README
[unknown] 851 2573 33.1% -lh5- 1729 Jan 7 03:41 c2plib/sdk/Asm/c2p.i
[unknown] 303 1179 25.7% -lh5- 27d8 Nov 13 2022 c2plib/sdk/Asm/c2p_lib.i
[unknown] 269 524 51.3% -lh5- 0888 Nov 13 2022 c2plib/sdk/C/c2p.h
[unknown] 679 2488 27.3% -lh5- ea76 Sep 20 2023 c2plib/sdk/C/c2p_context.h
[unknown] 403 1098 36.7% -lh5- 1895 Jan 5 03:15 c2plib/sdk/C/c2p_system.h
[unknown] 332 1007 33.0% -lh5- d0e0 Nov 13 2022 c2plib/sdk/C/clib/c2p_protos.h
[unknown] 551 2169 25.4% -lh5- 1dd4 Nov 13 2022 c2plib/sdk/C/pragma/c2p_lib.h
[unknown] 792 4896 16.2% -lh5- a780 Nov 13 2022 c2plib/sdk/c2p.lib
[unknown] 4227 21609 19.6% -lh5- c8c1 Jan 29 02:14 c2plib/sdk/docs/c2p.autodoc
[unknown] 3416 9648 35.4% -lh5- 4351 Oct 3 22:10 c2plib/sdk/docs/howto.txt
[unknown] 177 356 49.7% -lh5- 6a43 Nov 13 2022 c2plib/sdk/E/c2p.m
[unknown] 841 3046 27.6% -lh5- e63a Jan 5 12:45 c2plib/sdk/E/libraries/c2p.e
[unknown] 628 1960 32.0% -lh5- 6c93 Jan 25 00:02 c2plib/sdk/E/libraries/c2p.m
[unknown] 299 462 64.7% -lh5- e6bf May 11 2022 c2plib/sdk/E/README.txt
[unknown] 7701 14708 52.4% -lh5- 7b80 Nov 13 2022 c2plib/sdk/examples/basic
[unknown] 7886 15228 51.8% -lh5- a90a Sep 22 2023 c2plib/sdk/examples/basic-delta
[unknown] 2305 8611 26.8% -lh5- e222 Sep 22 2023 c2plib/sdk/examples/basic-delta.c
[unknown] 2200 8033 27.4% -lh5- f080 Jun 18 2022 c2plib/sdk/examples/basic.c
[unknown] 7685 14800 51.9% -lh5- a9ab Nov 13 2022 c2plib/sdk/examples/chunky
[unknown] 2251 8124 27.7% -lh5- b88d May 9 2022 c2plib/sdk/examples/chunky.c
[unknown] 7929 15892 49.9% -lh5- 6bba Nov 13 2022 c2plib/sdk/examples/custom-bitmap
[unknown] 2075 8022 25.9% -lh5- fe70 Nov 13 2022 c2plib/sdk/examples/custom-bitmap.c
[unknown] 7722 15300 50.5% -lh5- b634 Dec 9 2022 c2plib/sdk/examples/offset
[unknown] 2106 7346 28.7% -lh5- 4dda Dec 8 2022 c2plib/sdk/examples/offset.c
[unknown] 7797 15176 51.4% -lh5- 2911 Nov 13 2022 c2plib/sdk/examples/scrambled
[unknown] 2353 8622 27.3% -lh5- ec4d May 10 2022 c2plib/sdk/examples/scrambled.c
[unknown] 1981 3312 59.8% -lh5- ec44 May 17 2022 c2plib/sdk/examples/zoom
[unknown] 2094 3712 56.4% -lh5- efbc May 17 2022 c2plib/sdk/examples/zoom-optimized
[unknown] 2441 7984 30.6% -lh5- 93b9 May 17 2022 c2plib/sdk/examples/zoom-optimized.e
[unknown] 2241 7634 29.4% -lh5- e673 May 17 2022 c2plib/sdk/examples/zoom.e
[unknown] 335 825 40.6% -lh5- 52f8 Nov 13 2022 c2plib/sdk/fd/c2p.fd
[unknown] 2509 11069 22.7% -lh5- c7ac Oct 3 22:05 c2plib/src/c2p_8.s
[unknown] 3093 13172 23.5% -lh5- 79c5 Sep 21 2023 c2plib/src/c2p_8x1.s
[unknown] 1148 3728 30.8% -lh5- db5e Nov 27 2022 c2plib/src/c2p_8x1_040.s
[unknown] 2103 7735 27.2% -lh5- 411d Sep 21 2023 c2plib/src/c2p_8x2.s
[unknown] 2498 8315 30.0% -lh5- 2cb7 Sep 19 2023 c2plib/src/c2p_8x2_040.s
[unknown] 2188 8071 27.1% -lh5- cce6 Sep 21 2023 c2plib/src/c2p_8x3.s
[unknown] 2544 8535 29.8% -lh5- 595e Sep 19 2023 c2plib/src/c2p_8x3_040.s
[unknown] 2242 8343 26.9% -lh5- 14e2 Sep 21 2023 c2plib/src/c2p_8x4.s
[unknown] 2626 8861 29.6% -lh5- c065 Sep 19 2023 c2plib/src/c2p_8x4_040.s
[unknown] 2281 8494 26.9% -lh5- af5e Sep 21 2023 c2plib/src/c2p_8x5.s
[unknown] 2648 8968 29.5% -lh5- 19e3 Sep 19 2023 c2plib/src/c2p_8x5_040.s
[unknown] 2290 8547 26.8% -lh5- c4c1 Sep 21 2023 c2plib/src/c2p_8x6.s
[unknown] 2673 9076 29.5% -lh5- 8a5c Sep 19 2023 c2plib/src/c2p_8x6_040.s
[unknown] 2312 8680 26.6% -lh5- 609e Sep 21 2023 c2plib/src/c2p_8x7.s
[unknown] 2714 9239 29.4% -lh5- 7767 Sep 19 2023 c2plib/src/c2p_8x7_040.s
[unknown] 2872 9666 29.7% -lh5- d920 Sep 19 2023 c2plib/src/c2p_8x8_040.s
[unknown] 2585 8751 29.5% -lh5- 8938 Nov 26 2022 c2plib/src/c2p_8x8_v1.s
[unknown] 2617 8889 29.4% -lh5- f849 Nov 26 2022 c2plib/src/c2p_8x8_v2.s
[unknown] 2680 8873 30.2% -lh5- 9a94 Nov 26 2022 c2plib/src/c2p_8x8_v3.s
[unknown] 2788 9751 28.6% -lh5- 2b82 Nov 26 2022 c2plib/src/c2p_8x8_v4.s
[unknown] 3193 11456 27.9% -lh5- 449a Nov 26 2022 c2plib/src/c2p_8x8_v5.s
[unknown] 3252 12315 26.4% -lh5- b4aa Nov 26 2022 c2plib/src/c2p_8x8_v6.s
[unknown] 3079 10550 29.2% -lh5- 8628 Nov 26 2022 c2plib/src/c2p_8x8_v7.s
[unknown] 3054 10559 28.9% -lh5- afdd Nov 27 2022 c2plib/src/c2p_8x8_v8.s
[unknown] 2343 8797 26.6% -lh5- 4bb1 Sep 21 2023 c2plib/src/c2p_8x8_v9.s
[unknown] 1016 11501 8.8% -lh5- 9d7f Feb 3 22:26 c2plib/src/c2p_akiko.s
[unknown] 353 2357 15.0% -lh5- 07e2 Jan 25 02:11 c2plib/src/c2p_akiko_proto.h
[unknown] 6804 44877 15.2% -lh5- 3ef4 Mar 10 01:10 c2plib/src/c2p_context.c
[unknown] 937 15743 6.0% -lh5- e174 Mar 10 01:10 c2plib/src/c2p_context_proto.h
[unknown] 693 1686 41.1% -lh5- 68a6 Mar 10 01:10 c2plib/src/c2p_copy_mem.s
[unknown] 1877 6758 27.8% -lh5- a8b0 Mar 10 01:10 c2plib/src/c2p_system.c
[unknown] 424 1131 37.5% -lh5- 7d39 Mar 10 01:10 c2plib/src/c2p_system_proto.h
[unknown] 1717 5630 30.5% -lh5- 5843 Apr 28 2022 c2plib/src/compiler.h
[unknown] 3166 12063 26.2% -lh5- c3ee Mar 10 01:10 c2plib/src/hello.c
[unknown] 1997 5816 34.3% -lh5- 5dcb Mar 10 01:10 c2plib/src/LibInit.c
[unknown] 465 1142 40.7% -lh5- 66f3 Mar 10 01:10 c2plib/src/librarybase.h
[unknown] 2695 11315 23.8% -lh5- 3b7e Mar 10 01:10 c2plib/src/StartUp.c
[unknown] 991 3493 28.4% -lh5- 0147 Mar 10 01:10 c2plib/src/sys_helpers.s
[unknown] 497 1558 31.9% -lh5- 2515 Mar 10 01:10 c2plib/src/sys_helpers_proto.h
---------- ----------- ------- ------- ------ ---------- ------------ ----------
Total 76 files 204135 625304 32.6% Mar 10 02:31
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