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Disassembler for 6502 processors
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C 99.6%
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Tennessee Carmel-Veilleux 680c212992
Merge pull request #3 from ratherlargerobot/fread-brk-bugfix 
Use fread() return value to count bytes
2018-09-02 15:28:46 -04:00
.gitignore Updated .gitignore 2014-07-24 23:22:12 -04:00
dcc6502.c Use fread() return value to count bytes 2018-09-01 20:44:41 -04:00
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Makefile Added Makefile and cleaned-up indent 2014-07-23 14:57:21 -04:00
README.md

README.md

dcc6502

Disassembler for 6502 processors.

Features

  • Simple command-line interface
  • Single file, ANSI C source
  • Annotation for addresses of Nintendo Entertainment System (NES) system registers
  • Cycle-counting output
  • Machine code display inline with the disassembly

History tidbit

The original 1.0 version of dcc6502 was written overnight on Christmas eve 1998. At the time, I (Tennessee Carmel-Veilleux) was a 16-year-old NES hacker learning 6502 assembly. Of course, as many teenagers are, I was a bit arrogant and really thought my code was pretty hot back then :) Fast-forward 15 years and I'm a grown-up engineer who is quite a bit more humble about his code. Looking back, I think the tool did the job, but obviously, 15 years of experience later, I would have made it quite a bit cleaner. The disassembler has floated online on miscalleanous NES development sites since 1998. I decided to put it on github starting at version 1.4 and I will be cleaning-up the code over until version 2.0.

This disassembler has made the rounds and has been used for a lot of different purposes by many different people over the years. Hopefully it will continue to be useful going forward.