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Viewing changes to mess/src/lib/formats/cpis_dsk.c

  • Committer: Package Import Robot
  • Author(s): Jordi Mallach, Jordi Mallach, Emmanuel Kasper
  • Date: 2011-12-19 22:56:27 UTC
  • mfrom: (0.1.2)
  • Revision ID: package-import@ubuntu.com-20111219225627-ub5oga1oys4ogqzm
Tags: 0.144-1
http://bugs.debian.org/651538
[ Jordi Mallach ]
* Fix syntax errors in DEP5 copyright file (lintian).
* Use a versioned copyright Format specification field.
* Update Vcs-* URLs.
* Move transitional packages to the new metapackages section, and make
  them priority extra.
* Remove references to GNU/Linux and MESS sources from copyright.
* Add build variables for s390x.
* Use .xz tarballs as it cuts 4MB for the upstream sources.
* Add nplayers.ini as a patch. Update copyright file to add CC-BY-SA-3.0.

[ Emmanuel Kasper ]
* New upstream release. Closes: #651538.
* Add Free Desktop compliant png icons of various sizes taken from
  the hydroxygen iconset
* Mess is now built from a new source package, to avoid possible source
  incompatibilities between mame and the mess overlay.
* Mame-tools are not built from the mame source package anymore, but
  from the mess source package

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Lines of Context:
mess/src/lib/formats/cpis_dsk.c
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/*********************************************************************
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    formats/cpis_dsk.c
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    Telenova Compis disk images
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*********************************************************************/
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#include <string.h>
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#include "formats/cpis_dsk.h"
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#include "formats/basicdsk.h"
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static int compis_get_tracks_and_sectors(floppy_image *floppy, int *tracks, int *sectors)
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{
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        switch(floppy_image_size(floppy)) {
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        case 0x50000:   /* 320 KB */
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                *tracks = 40;
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                *sectors = 8;
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                break;
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        case 0x5a000:   /* 360 KB */
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                *tracks = 40;
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                *sectors = 9;
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                break;
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        case 0xa0000:   /* 640 KB */
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                *tracks = 80;
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                *sectors = 8;
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                break;
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        case 0xb4000:   /* 720 KB */
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                *tracks = 80;
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                *sectors = 9;
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                break;
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        case 0x12c000:  /* 1200 KB */
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                *tracks = 80;
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                *sectors = 15;
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                break;
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        default:
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                return 0;
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        }
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        return 1;
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}
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static FLOPPY_IDENTIFY(compis_dsk_identify)
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{
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        int dummy;
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        *vote = compis_get_tracks_and_sectors(floppy, &dummy, &dummy) ? 100 : 0;
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        return FLOPPY_ERROR_SUCCESS;
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}
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static FLOPPY_CONSTRUCT(compis_dsk_construct)
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{
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        struct basicdsk_geometry geometry;
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        memset(&geometry, 0, sizeof(geometry));
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        geometry.heads = 1;
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        geometry.first_sector_id = 1;
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        geometry.sector_length = 512;
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        if (params)
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        {
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                /* create */
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                geometry.tracks = option_resolution_lookup_int(params, PARAM_TRACKS);
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                geometry.sectors = option_resolution_lookup_int(params, PARAM_SECTORS);
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        }
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        else
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        {
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                /* open */
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                if (!compis_get_tracks_and_sectors(floppy, &geometry.tracks, &geometry.sectors))
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                        return FLOPPY_ERROR_INVALIDIMAGE;
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        }
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        return basicdsk_construct(floppy, &geometry);
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}
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/* ----------------------------------------------------------------------- */
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FLOPPY_OPTIONS_START( compis )
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        FLOPPY_OPTION( compis_dsk, "dsk",               "Compis floppy disk image",     compis_dsk_identify, compis_dsk_construct, NULL,
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                TRACKS(40/[80])
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                SECTORS(8/[9]/15))
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FLOPPY_OPTIONS_END