µVision User's GuideAbout µVision User Interface Creating Applications Debugging Start Debugging Start Energy Measurement without Debug Application Program Execution Debug Windows and Dialogs Breakpoints Window Call Stack and Locals Window Code Coverage Command Window Component Viewer Disassembly Window Editor Window Event Recorder Setup Event Recorder Event Recorder Window Events Filtering Event Statistics Window Post-mortem Analysis Event Viewer Execution Profiler Instruction Trace Window System Analyzer Usage tips Statistics Restrictions Logic Analyzer Setup Setup in Detail Restrictions Cortex-M Trace Configuration Memory Map Memory Window Performance Analyzer Registers Window Serial Window Debug (printf) Viewer Symbols Window System Viewer Adding System Viewer Windows System and Thread Viewer Thread States Toolbox Trace Data Window Trace Navigation Trace Exceptions Event Counters ULINKplus Window Watch Window Core Peripherals Cortex-M0 and Cortex-M0+ Nested Vector Interrupt Controller System Control and Configuration System Tick Timer Fault Reports (Cortex-M0+ only) Cortex-M3, Cortex-M4, and Cortex-M7 Nested Vector Interrupt Controller System Control and Configuration System Tick Timer Fault Reports Memory Protection Unit Cortex-M23 and Cortex-M33 Nested Vector Interrupt Controller System Control and Configuration System Tick Timer Fault Reports Memory Protection Unit Security Attribution Unit Debug Scripting Expressions Constants System Variables Peripheral Variables I/O Ports Serial Ports Program Variables (Symbols) Fully Qualified Symbols Non-Qualified Symbols Literal Symbols Using Symbols Line Numbers Bit Addresses Type Specifications Memory Attribution Specifiers Operators Differences between µVision and C Expression Examples Code and Data Trace (Cortex-M) Trace Features Configuring Trace Tracepoint Expressions Tracepoint Intrinsics Tracepoint Limitations Tracepoint Marks Tips and Tricks Review Peripherals and CPU Configuration Simulate I/O Ports Simulate Interrupts and Clock Inputs Simulate external I/O Devices Assign Serial I/O to a PC COM Port Check Illegal Memory Access Command Input from File Preset I/O Ports or Memory Contents Write Debug Output to a File Keyboard Shortcuts TPIU Initialization after RESET (Cortex-M) Prevent Opening Files Show Japanese Messages Debug Commands Debug Functions Simulation Flash Programming Dialogs Utilities Command Line Example Programs Appendix
The Disassembly Window shows the program execution in assembly code, or, intermixed with the source code (device dependent). When the Disassembly Window is the active window, then all debug-stepping commands work on assembly level.
Open the window with the menu View — Disassembly Window.
The code execution markers identify:
No Code - Lines with no code are marked with a light gray block.
Unexecuted Code - Unexecuted lines (instructions) are marked with a dark gray block.
Executed Code - Fully-executed lines (instructions) are marked with a green block. A green block on a branch instruction indicates that both the true and false conditions have been tested.
Branch Condition True - A cyan (blue) block indicates that only this condition of a branch was true and therefore always taken.
Branch Condition False - An orange block indicates that this condition of a branch was never true and therefore never taken.
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