Disassembly Window Types

MPLAB® X IDE has two disassembly windows:

  • Disassembly Listing File: Window > Debugging > Output > Disassembly Listing File Project
  • Disassembly Debugging View: Window > Debugging > Disassembly

Disassembly Listing File

The disassembly listing file is generated by the linker at build time. It lists the entire program (all files and functions) in a single file. Each line of C code is followed by one or more assembly instructions associated with that line of code. This file is available immediately after the project is built.

DisassemblyListing.png
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A quick way to view the entire disassembly file is to right-click in the Disassembly window and select Disassembly Listing File.

▶ How to Read a Disassembly Listing File

Disassembly Window

The debugging disassembly window is dynamically updated to show the disassembly for the C function that is currently executing in the debugger. Each time you call to or return from a function, this window will change its contents automatically. When this window is open, you can single-step through your code instruction by instruction. Close this window to again step at the C source level.

Disassembly.png
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The Disassembly window will disassemble each instruction but has no history of banking associated with the instruction. Therefore, SFR names displayed in the window will be for Bank 0.

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