JC64dis v2.9 Release Notes:

Add high octave combined inverse frequency catcher in SIDFreq
Add BASIC byte data kind for automatic comments
Allow to select the SidFreq algorithms to use in option
Allow comments onto constants definitions
Fix push/pop bugs introduced into 2.8 for text conversion
Fix number conversion for base and destination address spinner
Add current tune/max tune in sid player
Add PDF manual

JC64dis (next generation C64 disassembler) is an iterative disassembler for MUS, SID, CRT, VSF, MPR, and PRG files of Commodore 64, Commodore Vic 20, Commodore 128, Commodore Plus4, and SAP of Atari with MOS 6502 family processors. It supports experimental even the AY file of Z80 processors.

It works in 3 areas:

  1. Memory area (from $0000 to $FFFF)
  2. Preview of source
  3. Source

You can format the source using the commands in a way to produce a source like if you were writing it in a text editor.

Labels and some comments are created automatically, but you can customize all (the program has almost 270 user options to choose from).

It supports the output (and compilation back throw them) of these compilers:

  • Dasm
  • TMPx
  • Ca65
  • Acme
  • KickAssembler
  • Tass64
  • Glass (Z80)
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