Dave Walker Freeware/Shareware




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Over the years I have developed a number of pieces of software (in addition to the C68 system and related software) that have been made available to the QDOS (and compatibles) community. Some of these were sold on a commercial basis, and some on a freeware and/or shareware basis. All version sof the software are now available on a freeware basis since the commercial channels have been discontinued.

The items available are:

  • DiscOVER and Multi-DiscOVER
  • TexTIDY
  • QXLFormat
  • FLPClone
  • OPD/QL Interchange

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    DiscOVER/Multi-DiscOVER Version 4.17 (118Kb)

    The DiscOVER software is effectively an Alien File copier. It allows QL (and compatible) systems to copy files to and from QL format media and floppy disks that are in formats that are not normally compatible with QL systems. It is designed for use by those who want to be able to exchange files between a QL compatible system and some other computer.

    A new feature available from the 4.11 release onwards is specific support for the QUBIDE disk interface. If you have a QUBIDE disk interface with a removable drive (such as the SyQuest), then the DiscOVER software can now read and write IBM format cartridges as well as QL format ones. IBM format hard disks attached to QUBIDE would also work although you are probably less likely to have these.

    The DiscOVER software is provided in two levels of capability:

    The software is provided free, but you have to apply for a registration key Unregistered versions of the software are fully functional except for the fact that you cannot transfer files larger than 2Kb in size. The DiscOVER software is now provided as a single binary program provided supports all modes of working - which level of facility you get depends on the level of registration key you obtain.  To obtain a registration key please email me and you will receive your registration key in a day or so.  Make it clear whether you want just the standard DiscOVER version or the Multi-DiscOVER version , and also please state the name you wish the software to be registered under.

    For those who do not already have the capability to read/write IBM format floppy disks on their QL system, the following download allows a QDOS format floppy disk containing the DiscOVER software to be created on a PC. Unzip the download into a folder on your PC and then follow the instructions given in the README.TXT file in that folder.:

  • DiscOVER as HD floppy image (125Kb)
  • For those who do not want to download the full release (probably because they already have DiscOVER and only want changes), then the following partial downloads are available:

    In addition for those with a QUBIDE disk interface with a CDROM drive connected to it, then the following is a beta of a new version of DiscOVER that can also read CDROM disks. I have only been able to test this on a QuBide simulator as I do not have a real Qubide interface of my own. Please let me know both about any problems you notice (so that I can get them fixed) and also if it works fine for you (which means I have got everything right!).


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    TexTIDY Version 2.12 (80Kb)

    The TexTIDY software is intended to provide file conversion capability between a number of specified formats. It is particularly targetted at allowing users who have Quill format files on a QL to convert the files to a format that will be useful on some other machine. The TexTIDY software is often used in conjunction with the DiscOVER software where TexTIDY is first used to convert a file to a format that will be useful on a target machine, and then DiscOVER is used to copy it onto a disk that can be ready by the target machine. For more details on the conversions supported see the User manual

    For those who do not want to download the full release (using the link above), then the following partial downloads are available:

    The software is provided free, but you have to apply for a registration key Unregistered versions of the software are fully functional except for the fact that you cannot transfer files with more than about 1Kb of text in them. The   To obtain a registration key please email me and you will receive your registration key in a day or so. Make it clear which program you wish the registration key to apply, and also please also state the name you wish the software to be registered under.


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    QXLFormat Version 1.5 (14Kb)

    the QXLFORMAT software is effectively a "Quick Format" program. It takes a disk that has been previously formatted, and re-writes the directory and control areas so that appears to be a freshly formatted QL disk. It does not care whether the previous format was a QL one or not, and can automatically detect the difference between DD (720K) and HD (1.44Mb) disks.

    The program was originally developed when the QXL was in its early days and did not have a FORMAT command so that a PC format disk could be converted into a QL format one. It is not, however, limited to running on QXL systems and will in fact run on any QL compatible system that has floppy disks attached.
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    FLPClone Version 1.9 (34Kb)

    The FLPCLONE software is designed to allow floppy disks to be copied at the physical level on QL (and compatible) systems. It is typically considerably faster than copying such disks at the file level. It can also copy disks that are in alien formats (e.g. IBM MSDOS formats) as it does the copying at the physical level rather than the logical level.

    For those who do not want to download the full release, then the following partial downloads are available:


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    OPD/QL Interchange

    This software is designed to allow a QL to interchange microdrive cartridges between a QL and the OPD/Tonto machines. The OPD and Tonto were not a commercial success and are no longer available. They were machines that tried to take QL computing technology and merge it in with phone technology. They sold around 100,000 machines, and there still quite a few of them in existence and users tend to be quite fanatical about them. They used microdrives that were physically compatible with those on the QL, but used a different recording format so cartridges were not interchangeable with between the QL and an OPD/Tonto machine. The OPD/Tonto also had a version of the Xchange suite (Quill, Archive, Abacus, Easel) which while on the surface the same as the QL versions had slight differences in the underlying file formats.

    The facilities offered by the OPD/QL Interchange software can be summarised as:

    The following downloads are available to help you decide if you might be interested in the this software:


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