              An entry for the
 Vintage Computing Christmas Challenge 2021

Author:             Geir Straume
System:             Dragon 32
Language:           6809 (vasm assembler)
Source code length: 1736 bytes
Executable length:  16384 bytes (cartridge)
Actual code length: 50 bytes
How to run:         Install XRoar emulator,
                    start it with argument
                    to load cartridge file:
                    xroar -load xmastree.rom

XRoar emulator:
https://www.6809.org.uk/xroar/

Useful emulator resources:
https://colorcomputerarchive.com/repo/ROMs/

vasm assembler:
http://sun.hasenbraten.de/vasm/
