Unconventional star assembly

Author: NYYRIKKI (B)
Category: Christmas Challenge
System: CP/M
Language: Assembly
Len source code: 1221
Len exe file: 91
Len code only: 91
Instructions:
- Go to https://webmsx.org/
- Click "Drive A"-icon and select "Expand ZIP to Disk"
- Select this archive and click ok.
- Press Power/Reset
- On DOS-prompt type "star" and press enter.
Comments:
Instruction are for MSX-DOS, but the program (STAR.COM) works on any CP/M compatible OS that supports VT52 terminal emulation. Fun fact: The program does not use accumulator at all.