• Open source portable C with minimal dependencies
  
• Familiar syntax to Omicron TASS and TASM
  
• Supports 6502, 65C02, R65C02, W65C02, 65CE02, 65816, DTV, 65EL02, 4510
  
• Arbitrary-precision integers and bit strings, double precision floating point numbers
  
• Character and byte strings, array arithmetic
  
• Handles UTF-8, UTF-16 and 8 bit RAW encoded source files, Unicode character strings
  
• Supports Unicode identifiers with compatibility normalization and optional case insensitivity
  
• Built-in "linker" with section support
  
• Various memory models, binary targets and text output formats (also Hex/S-record)
  
• Assembly and label listings available for debugging or exporting
  
• Conditional compilation, macros, structures, unions, scopes

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