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With a SuperIDE board it is possible to switch between the 4 flash banks of the SuperIDE using the following command on a CoCo1/2: POKE 113,0: POKE &HFF59,X (where X is the bank 0-3) EXEC 40999 This EXEC calls the RESET interrupt service routine. On the Dragon the corresponding EXEC address is: EXEC...

Here's an updated schematic prepared by mcleod_ideafix @ retrowiki forum.
Pin #6 is the CoCo3's second fire button and is not supported on the Dragon.

Check out Bill Pierce's website for a nice review and downloads of many midi players for the CoCo.

Lyra2 looks like the best option for the Dragon with Drivewire support. Haven't tried it yet, but I will
https://sites.google.com/site/dabarnstudio/lyra

Enjoy!

When running OS9 the Drivewire server is even more useful as it creates a virtual hard drive rather than just virtual floppy disks. Here is the NITROS9 system disk which I have built for the Dragon with Becker port drivers. Insert this disk as disk 0 in the Drivewire server and type DOS from HDBDOS ...

Thanks to tormod's port of HDBDOS for the Dragon and to sixxie's support of Drivewire with becker port on Xroar, it is now possible to use Xroar for emulation of a Dragon running Drivewire & HDBDOS. Here's a quick guide to get it going: 1) Download and install the Drivewire4 Server software on PC/Un...

How are they so different? I have done a logical disk copy, not a sector by sector copy. I used cobbler to recreate the boot image. Thank you very much! By the way, how did you convert it to .dmk? I'm having trouble converting the single side Telewriter image for Delta DOS to .dmk, you can grab the...

I have recreated this disk in DMK format.
This DMK image seems to boot and run fine under XROAR!

Another new nice feature in Eurohard's OS9 release is the SCREEN command that can be used to toggle between white and green screen modes.

Wow, there you go. Was this available on the internet somewhere? Right here on this forum! It was Phill's Christmas 2011 gift ;) http://archive.worldofdragon.org/phpBB3/viewtopic.php?f=7&t=560&p=2988#p2986 But easy to miss because of the thread's somewhat unrelated title. The source for DragonDos a...

Here is the Dragon rom source which was disassembled, labeled and commented by Phill back in 2006. It can be used to assemble either the Dragon 32 or the Dragon 64 roms. ; DragonROM.asm Disasembily of Dragon 32/64 Basic ROM. ; ; Disasembled 2006-08-14, P.Harvey-Smith. ; ; From this file you can asse...