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Improvements in the disk image department

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RichardG867
2020-07-29 15:10:24 -03:00
parent 517af69d75
commit 8776e46109
3 changed files with 9 additions and 12 deletions
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2
settings/floppycdrom.rst
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@@ -17,7 +17,7 @@ Up to four floppy disk drives can be attached to the emulated system, although n
* **Turbo timings:** Run the drive mechanism as fast as possible. This decreases access time and makes some incorrectly-dumped floppies readable, but may cause issues some operating systems and applications.
* **Check BPB:** When disabled, 86Box will skip checking the `DOS BIOS Parameter Block <https://en.wikipedia.org/wiki/BIOS_parameter_block>`_ when determining the physical media format for a floppy image on this drive. See :ref:`usage/diskimages:Floppy disk detection` for more details.
.. note:: Disabling "Check BPB" may be required in order to access UNIX/Linux installation floppies or other non-DOS-compatible disks, as outlined on the page linked above.
.. note:: Disabling "Check BPB" may be required in order to access UNIX/Linux installation floppies or other non-DOS disks, as outlined on the page linked above.
Floppy disk images can be inserted and removed through the status bar or the *Media* menu.

17
usage/diskimages.rst
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@@ -3,9 +3,6 @@ Disk images
86Box supports a large variety of disk image formats for the emulated drives.
.. |nbdash| unicode:: 0x2011
:trim:
Hard disk images
----------------
@@ -61,15 +58,15 @@ Supported formats:
Floppy disk detection
^^^^^^^^^^^^^^^^^^^^^
86Box detects the physical media format (sides, tracks per side, sectors per track, bytes per sector) of a floppy disk image through the following methods:
86Box determines the physical media format (sides, tracks per side, sectors per track, bytes per sector) of a floppy disk image through the following methods:
1. Data stored in the file header, except for Raw and DiskDupe formats where there is none.
2. Data stored in the `DOS BIOS Parameter Block <https://en.wikipedia.org/wiki/BIOS_parameter_block>`_.
3. If all else fails, a guess is made based on the file size.
1. Image file header data - not applicable for **Raw** and **DiskDupe** formats;
2. `DOS BIOS Parameter Block <https://en.wikipedia.org/wiki/BIOS_parameter_block>`_ data within the image;
3. If all else fails, a guess is made based on the image file's size.
The BIOS Parameter Block detection may result in incorrect behavior on non-DOS-compatible floppy disks. Installation floppies for UNIX and Linux are common examples of non-DOS-compatible disks. Disabling the :ref:`Check BPB <settings/floppycdrom:Floppy drives>` setting is strongly recommended for accessing these, as the inaccurate BPB detection may result in read errors, data corruption and other issues.
The BIOS Parameter Block detection method may behave incorrectly with non-DOS floppy disks. Installation floppies for UNIX and Linux are common examples of non-DOS disks. Disabling :ref:`Check BPB <settings/floppycdrom:Floppy drives>` is strongly recommended for accessing these, as an inaccurate BPB detection may result in read errors, data corruption and other issues.
.. note:: When using a raw image of a non-DOS-compatible floppy with the Check BPB setting disabled, make sure the image file has the right size for its media type, otherwise incorrect behavior may still occur.
.. note:: When using a **Raw** image of a non-DOS floppy with Check BPB disabled, make sure the image file is not truncated (smaller than its media size), otherwise incorrect behavior may still occur.
MO / ZIP removable disk images
------------------------------
@@ -104,6 +101,6 @@ Supported formats:
CD audio
^^^^^^^^
Compact Disc Digital Audio (CDDA) is supported on *Cue sheet* images. CD audio playback is muted on all drives by default; it can be unmuted by unchecking the *Mute* option for the respective CD |nbdash| ROM drive on the status bar or the Media menu.
Compact Disc Digital Audio (CDDA) is supported on **Cue sheet** images. CD audio playback is muted on all emulated CD-ROM drives by default; it can be unmuted by unchecking the *Mute* option for the respective drive on the :ref:`status bar <usage/statusbar:|cdrom| |nbsp| CD-ROM drives>` or the :ref:`Media menu <usage/menubar:Media>`.
.. note:: Only raw format (.bin) tracks are supported. Compressed or otherwise encapsulated audio tracks (.wav, .mp3, .ogg, .flac and other formats) are not supported.

2
usage/menubar.rst
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@@ -41,7 +41,7 @@ View
Media
-----
This menu lists all removable media drives attached to the emulated machine, and provides the same controls that are accessible by clicking the respective drive icon on the :doc:`status bar <statusbar>`.
This menu lists all removable media drives attached to the emulated machine, and provides the same controls that are accessible by clicking the respective drive's icon on the :doc:`status bar <statusbar>`.
Tools
-----