Visual 6502 in JavaScript

The Visual 6502


FAQ 
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This simulator uses HTML5 features only found on the latest versions of browsers and needs
lots of RAM. If you have trouble, please check compatibility.



Keyboard controls: ‘z’ to zoom in, ‘x’ to zoom out, ‘n’ to step the simulation.

Mouse controls: Left-click and drag to scroll around (when you’re zoomed in.)

More information in the User Guide.

x: 0
y: 0

Source code is available on github visual6502.
Use the online emulator and assembler from the easy6502 tutorial
and disassembler from mass:werk

For in-depth 6502 investigation and some more advanced features, try our Advanced page.