Dragon 32/64

Dragon32 / Dragon64

The Dragon 32 and Dragon 64 are home computers that were built in the 1980s. The Dragons are very similar to the TRS-80 Color Computer, and were produced for the European market by Dragon Data, Ltd., initially in Swansea, Wales before moving to Port Talbot, Wales (until 1984) and by Eurohard S.A. in Casar de Cáceres, Spain (from 1984 to 1987), and for the US market by Tano Corporation of New Orleans, Louisiana. The model numbers reflect the primary difference between the two machines, which have 32 and 64 kilobytes of RAM, respectively.

Setting up

To set up your , first get the following tools:

• Assembler: asm6809 ( https://www.6809.org.uk/asm6809/ )
• Emulator(s): xroar ( https://www.6809.org.uk/xroar/ )

Memory map

Check out - for a complete memory map

Video display

The Dragon 32 / Dragon 64 have the following native video modes:

• Standard text modes
• Bitmap modes

Sync with frame

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Plot in Bitmap modes

Here is a routine that will allow you to plot a single point in bitmap mode.

To be added

Text mode

To be added

To be added

Sound

To be added soon.

Make some noise

To be added soon.

Additional Resources

• Dragon32 Info page - http://dragon32.info/
• World of Dragon forums - https://archive.worldofdragon.org/phpBB3/
• 6809.org.uk Website - https://www.6809.org.uk/
• CoCoCoding - https://sites.google.com/a/aaronwolfe.com/cococoding/home