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Viewing changes to src/emu/machine/wd17xx.c

  • Committer: Package Import Robot
  • Author(s): Cesare Falco
  • Date: 2011-11-30 18:50:10 UTC
  • mfrom: (1.1.4)
  • Revision ID: package-import@ubuntu.com-20111130185010-02hcxybht1mn082w
Tags: 0.144-0ubuntu1
https://launchpad.net/bugs/913550
* New upstream release (LP: #913550)
* mame.install:
  - Added artwork/ images to be used with -effect switch
  - Be more selective with hash/ contents
* contrib/mame.ini: added /usr/share/games/mame/artwork/ to artpath

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src/emu/machine/wd17xx.c
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    2011-Jun-24 Curt Coder
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    - Added device types for all known variants, and enforced inverted DAL lines.
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    2011-Sep-18 Curt Coder
 
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    - Connected Side Select Output for variants that support it.
 
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    TODO:
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        - What happens if a track is read that doesn't have any id's on it?
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         (e.g. unformatted disc)
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static void write_track(device_t *device)
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{
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        wd1770_state *w = get_safe_token(device);
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        floppy_image *floppy;
 
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        floppy_image_legacy *floppy;
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#if 0
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        int i;
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        for (i=0;i+4<w->data_offset;)
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static void read_track(device_t *device)
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{
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        wd1770_state *w = get_safe_token(device);
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        floppy_image *floppy;
 
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        floppy_image_legacy *floppy;
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#if 0
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        UINT8 *psrc;            /* pointer to track format structure */
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        UINT8 *pdst;            /* pointer to track buffer */
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        return 0;
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}
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static void wd17xx_side_compare(device_t *device, UINT8 command)
 
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{
 
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        wd1770_state *w = get_safe_token(device);
 
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        if (wd17xx_has_side_select(device))
 
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                wd17xx_set_side(device, (command & FDC_SIDE_CMP_T) ? 1 : 0);
 
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        if (command & FDC_SIDE_CMP_T)
 
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                w->head = (command & FDC_SIDE_CMP_S) ? 1 : 0;
 
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        else
 
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                w->head = ~0;
 
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}
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/* read a sector */
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static void wd17xx_read_sector(device_t *device)
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        w->data_offset = 0;
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        /* side compare? */
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        if (w->read_cmd & 0x02)
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                w->head = (w->read_cmd & 0x08) ? 1 : 0;
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        else
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                w->head = ~0;
 
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        wd17xx_side_compare(device, w->read_cmd);
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        if (wd17xx_find_sector(device))
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        {
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     */
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        /* side compare? */
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        if (w->write_cmd & 0x02)
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                w->head = (w->write_cmd & 0x08) ? 1 : 0;
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        else
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                w->head = ~0;
 
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        wd17xx_side_compare(device, w->write_cmd);
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        /* find sector */
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        if (wd17xx_find_sector(device))
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                else
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                {
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                        /* side compare? */
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                        if (w->write_cmd & 0x02)
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                                w->head = (w->write_cmd & 0x08) ? 1 : 0;
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                        else
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                                w->head = ~0;
 
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                        wd17xx_side_compare(device, w->write_cmd);
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                        /* attempt to find it first before getting data from cpu */
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                        if (wd17xx_find_sector(device))