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Hi, these are the fields and the values I use to put in them: * Fields description for VDK header * 0 2 signature ('dk') must be in lowercase * 2 2 Header length ($0C,$00) total header length (2 bytes, but first goes the LSB then the MSB) * 4 1 VDK version - actual ($10) VDK format version. By now $...

@utz,
the DSK format is exactly the same than the VDK but without the header.

cheers
pere

Ps. in order to have compatibility with XRoar and DW4 it is better having the VDK files have a 256byte header

hello,

maybe this link could be usefull ...
viewtopic.php?f=5&t=530&p=2983&hilit=DragonTools#p2983
It's an utility from our collegue Rolf Michelsen
I remember having used it both to add and to extract files from an VDK image file

hope it helps
cheers
pere

Thanks to all of you for being Dragon lovers!! Any issue you should find when using it, don't hesitate to share it here in that thread. If there is something wrong I will try to solve it as fast as possible. And suggestions will be highly appreciated too. I would like to wait for a bit of time befor...

Hello Ciaran, one and only one time of the many tests I have done, the POKE&HFF7F,0 has started Orchestra90, by luck for sure. The other times it has just hanged, but calling a hard reset Orchestra90 is started OK. Clearly that software was developped for the CoCo as the keyboard map must be changed...

Hi Ciaran, that's interesting ... I have made the POKE&HFF7F,&H33 to select bank 3 and then DIR works flawlessly, good! But then if I want to start the Orchestra cartridge, I cannot enter POKE&HFF7F,0 to select bank 0 because then the Dragon hangs. Fortunately, while developping my extender, I made ...

Hello, this one loads the DOS and reads the discs as it should, but it doesn't load the cartridge "orch90" xroar -machine dragon64 -extbas d64_1.rom -altbas d64_2.rom -mpi-load-cart 0=orch90 -mpi-load-cart 3=dosPlus -force-crc-match -tape-fast -joy-left 0,0:1:0 -kbd-translate -lp-file ..\XRoar\sorti...

Hi all, I am trying to get XRoar loading a DOS into slot 3 and Orchestra90cc into slot 0, but any other combination would be acceptable as well. I simply don't know what should I do to accomplish that. The longer command I have tried is this one xroar -machine dragon64 -extbas d64_1.rom -altbas d64_...

in fact any key jumped from the orange text to the first working screen.
Couldn't put two 0's at the beginning because the ROM is exactly 8192 bytes long and I have not dared to cut the last two bytes ...

cheers
pere

Pressing 'S' after the wrong initiated program, goes to the first screen but the stack has not been moved.
I don't know the possible side-effects of this, but I would prefer to add two $00.
I am going to make this test

cheers
pere