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64tass

An assembler for the legendary 6502 processor and it's derivatives

5.0 Stars (3)
49 Downloads (This Week)
Last Update:
Download 64tass-1.52.1237-src.zip
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Description

64tass is cross assembler targeting the 65xx series of micro processors.

64tass Web Site

Features

  • 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, struct/union structures, scopes

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User Ratings

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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
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User Reviews

  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    The best 6502 assembler you can get. I use it regulary.

    Posted 11/12/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Underrated, underused. Small file size, no deps, updated regulary here on sourceforge, good results. Thank you!

    Posted 10/12/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    If you are looking for an assembler that works fast and flawlessly, with syntax that is easy to understand and work with -- this is the assembler for you. I have been using 64tass for over five years and believe me -- the instant I see an update message I stop here and get the newest version! The interesting part for me is that I have never encountered an actual bug! My projects are always fairly involved, too (such as writing a new OS for the SuperCPU in VICE), so I tend to put 64tass through its paces whether the project is large or small. Did I say fast? Oh, it's fast. A million source bytes a second or better, I reckon. Great listings, frequently updated, the benefit of an extremely helpful author when you need him, and the fact that 64tass includes a wonderful 65816 assembler makes it very easy to "highly" recommend AND declare that it is by far the best 65xxx assembler I have ever used. Oh... and the price is right. :D

    Posted 09/05/2016
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Additional Project Details

Intended Audience

Developers

User Interface

Command-line

Programming Language

C

Registered

2010-04-15

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