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Christmas Challenge
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Author: Kees van Oss
System: Acorn Atom
Language: Assembler CC65
Code-len: 72 bytes (executable including header)
50 bytes (executed code)
Emulator: Atomulator
Usage: Download and unzip Atomulator
Copy tree.atm into the MMC directory
Start Atomulator
Type: *TREE.ATM
Description: A table is read with the value how many stars have to be printed.
Then HPOS = (screen width - nr stars) / 2 is calculated
Line with spaces, stars and CRLF is printed
This is repeated for all lines
Files: tree.atm -> Executable
tree.inc -> Native source file
tree.lst -> Assembler output list
tree.png -> Screenshot image