Author: Michal Lokša System: Commodore 64 Language: basic v2 Compiled by: CBM prg Studio 3.14.0 (open XMasTree.cbmprj) Length of source code: 137 Bytes Length of executable file: 74 Bytes Instructions: run xmastree.prg in any C64 emulator, e.g. Vice (x64sc.exe) by opening from menu or directly from command line (x64sc.exe xmastree.prg) Description how the code works: Program reads line offset from data string. Set this offset to address 211 which is using kernal for printing. Then calculates width of tree line and print it. Repeats until all lines are processed.