Gwiazdka2

Author: nosty
Category: Christmas Challenge
System:   Atari XL/XE
Language: 6502 Assembler (XASM)
Len source code: 609
Len exe file:    105
Len code only:   93
Instructions:
  Altirra: File -> Boot Image... -> select gwiazdka2.xex
  Atari 800Win Plus: File -> Load executable -> select gwiazdka2.xex
Description:
  The image is bit-encoded in 46 bytes. The code uses self-modification. The memory is not cleared.
  I used XASM 3.2.1 assembler.
Comments:
  Autorun header takes first 12 bytes in .xex file.