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mirror of https://github.com/fadden/6502bench.git synced 2024-11-04 15:05:03 +00:00
6502bench/docs/index.html
Andy McFadden 7c5a0dfdb8 Fix web site menu button
A bit of Javascript was used to remove the hamburger icon when a
page doesn't have a #sidenav.  This worked when sidenav-incl was
being loaded with jQuery load(), because that mechanism works
asynchronously, and #sidenav was part of the DOM before it ran.
Once we started merging HTML fragments directly into the pages, the
script got called before #sidenav was defined, so the icon was
always being removed.

One solution would be to move the script to footer-incl.html, to
follow the preferred practice of placing scripts at the bottom of
the <body>.  The better solution was to move the "no-sidenav" class
from #main to <body>, so that all components can see it.  This lets
us use CSS rules to hide the icon.
2021-06-08 14:15:39 -07:00

204 lines
9.2 KiB
HTML

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<title>6502bench Tools</title>
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6502bench
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<a id="topnav-home" class="active" href="/">HOME</a>
<a id="topnav-sgtutorial" href="/sgtutorial">SourceGen Tutorial</a>
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<p>6502bench is a code development "workbench" for the 65xx family
of processors, including the 6502, 65C02, and 65802/65816. It currently
features one tool, the SourceGen disassembler.</p>
<p><strong>SourceGen</strong> is an industrial-strength disassembler for 6502,
65C02, and 65816 programs. It runs on Windows 7 or later.</p>
<p>Demos and information:</p>
<ul>
<li>Watch a 9-minute
<a href="https://youtu.be/dalISyBPQq8">product introduction video</a> (from v1.0).</li>
<li>See an 8-minute
<a href="https://youtu.be/lSvEr5nCHbY">demonstration of visualizers</a>
in a disassembly of the Apple II game <i>Space Eggs</i>.</li>
<li>SourceGen has been used to disassemble software for the Apple II,
NES (Nintendo Entertainment System), Atari 2600 VCS, and coin-op arcade
systems. Visit 6502disassembly.com to see examples of
<a href="https://6502disassembly.com/">completed disassembly projects</a>.</li>
</ul>
<p>Check out the
<a href="https://github.com/fadden/6502bench/">GitHub project</a>,
where you can download source &amp; binaries for the latest version from the
<a href="https://github.com/fadden/6502bench/releases/">Releases page</a>.
</p>
<p>Key features include:</p>
<ul>
<li>Fully interactive point-and-click GUI. Define labels, set addresses,
add comments, and see the results immediately. Add multi-line comments
and have them word-wrapped automatically. Create inline visualizations of
embedded bitmaps and wireframe data, and define animated sequences.</li>
<li>Sophisticated static analysis. The disassembly engine traces code
execution, automatically finding all instructions reachable from a given
starting point. Changes to the processor status flags are tracked,
allowing identification of branches that are always/never taken,
accurate cycle count listings, and easier analysis of 65816 code with
variable-width registers.</li>
<li>Easy generation of assembly source code in popular formats (currently
64tass, ACME, cc65, and Merlin 32). Cross-assemblers can be invoked from the GUI to
verify correctness.</li>
<li>Symbols and constants are provided for ROM and operating system entry
points on several popular systems (Apple, Atari, Commodore, others).</li>
<li>Project files are designed for sharing and collaboration.</li>
</ul>
<p>
<a href="images/screenshot-15-mainwin.png"><img src="images/screenshot-15-mainwin-small.png" alt="Main Window Screenshot" width="320" height="180"/></a>
<a href="images/screenshot-15-asmwin.png"><img src="images/screenshot-15-asmwin-small.png" alt="Gen/Asm Dialog Screenshot" width="320" height="180"/></a>
<a href="images/screenshot-15-vis.png"><img src="images/screenshot-15-vis-small.png" alt="Gen/Asm Dialog Screenshot" width="320" height="180"/></a>
</p>
<h4>Features in Detail:</h4>
<ul>
<li>Analyzer:
<ul>
<li>Support for 6502, 65C02, and 65816, including undocumented
opcodes and the W65C02 extensions.</li>
<li>Code tagging mechanism allows manual identification of code start/stop
points and inline data.</li>
<li>Editable labels are generated for every branch destination and data
target.</li>
<li>Automatic detection and classification of character strings and runs
of identical bytes.</li>
<li>Symbol files for ROM entry points, operating system constants, and
other platform-specific data are stored in plain text files loaded at runtime.</li>
<li>Extension scripts can be defined that automatically reformat code and
identify inline data that follows a JSR, JSL, or BRK.</li>
</ul></li>
<li>User interface:
<ul>
<li>"Infinite" undo/redo of all operations.</li>
<li>Cross-reference tables are generated for every branch and data target
address, as well as for external platform symbols.</li>
<li>Instruction operand formats (hex, decimal, binary, character, symbol) can
be set for individual instructions. References to nearby symbols are
offset, allowing simple expressions like "addr + 1".</li>
<li>Data areas can be formatted in various formats, including individual
bytes, 16-bit and 24-bit words, addresses, or strings.
Multiple character encodings are supported, including ASCII, high ASCII,
C64 PETSCII, and C64 screen codes.</li>
<li>Zero-page variables can be given different labels at different points
in the program.</li>
<li>Multi-line comments can be "boxed" for an authentic retro feel.</li>
<li>Notes can be added that aren't included in generated output. These
also function as color-coded bookmarks. Very useful for marking up a
work in progress. Similarly, symbols can be marked as uncertain by
adding a '?' that is automatically stripped away during code generation.</li>
<li>Instruction reference data, such as CPU cycles and flags modified, are
shown along with a description of the opcode's function. Very useful when
encountering rarely-used undocumented instructions.</li>
<li>Various aspects of the code display can be reconfigured, including
upper/lower case, pseudo-opcode naming, and expression formats. These
choices are not part of the project definition, so everyone can view a
project according to their own personal preferences.</li>
</ul></li>
<li>Code generation:
<ul>
<li>Labels can be global or local. Use non-unique labels like "@Loop"
for clarity. Labels will be promoted from local to global or renamed to
be unique as required by each assembler.</li>
<li>Symbols may be exported from one project and imported into another
to facilitate multi-binary disassembly.</li>
<li>Listings can be generated in HTML form for publication on the web. Many
aspects of the output format can be configured. Inline visualizations
are exported as GIF or animated GIF.</li>
</ul></li>
<li>Miscellaneous:
<ul>
<li>All project data is stored in text formats (primarily JSON).</li>
<li>The project file includes nothing from the data file but a CRC. This
may allow the project to be shared without violating copyrights (subject
to local laws).</li>
<li>Handy tools: file slicer, file concatenator, CPU instruction reference
chart, ASCII chart, file hex dump.</li>
<li>The OMF converter tool can be used to disassemble Apple IIgs executables.</li>
</ul></li>
</ul>
<h4>Open Source</h4>
<p>6502bench is written in C# .NET, using the (free to download) Visual
Studio Community 2019 IDE as the primary development environment.
The user interface uses the Windows Presentation Foundation (WPF) API.
6502bench is an open-source project, licensed under Apache 2.0.
The full source code is available on
<a href="https://github.com/fadden/6502bench/">GitHub</a>.</p>
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