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4537f24958
Biggest changes were to the address region handling in Tutorial1 and the use of StdInline.cs for the inline strings in Tutorial4. Also, fixed the off-by-one error in Tutorial1.
256 lines
11 KiB
HTML
256 lines
11 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"/>
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<link rel="stylesheet" href="../main.css"/>
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<title>Moving Around - SourceGen Tutorial</title>
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</head>
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<body>
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<!-- START: /incl-masthead.html -->
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<div id="masthead">
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<!--<div class="masthead-title" style="background-image: url('images/screenshot-mainwin.png');">-->
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<div class="masthead-title">
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6502bench
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</div>
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</div>
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<!-- END: /incl-masthead.html -->
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<!-- START: /incl-topnav.html active:#topnav-sgtutorial -->
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<div id="topnav">
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<!-- top navigation bar contents -->
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<nav>
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<a id="topnav-home" href=".././">HOME</a>
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<a id="topnav-sgtutorial" class="active" href="../sgtutorial">SourceGen Tutorial</a>
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<a id="topnav-menuicon" href="javascript:void(0);" class="icon" onclick="toggleSidenav()">
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<i class="fa fa-bars"></i>
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</a>
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</nav>
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<script>
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// Sidenav toggle function.
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//
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// Use a jQuery function to toggle the sidenav bar. The initial state
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// is undefined / inherited, so it will pop in and out as the screen
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// resizes around the "large" breakpoint.
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function toggleSidenav() {
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$("#sidenav").toggle("fast");
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}
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</script>
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</div>
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<!-- END: /incl-topnav.html -->
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<!-- START: incl-sidenav.html active:#sidenav-moving-around -->
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<div id="sidenav">
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<!-- side navigation bar contents -->
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<ul>
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<li id="sidenav-index"><a href="./">Introduction</a></li>
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<li id="sidenav-about-disasm"><a href="about-disasm.html">About Disassembly</a></li>
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<li id="sidenav-using-sourcegen"><a href="using-sourcegen.html">Using SourceGen</a>
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<ul>
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<li id="sidenav-moving-around" class="active"><a href="moving-around.html">Moving Around</a></li>
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<li id="sidenav-making-edits"><a href="making-edits.html">Making Edits</a></li>
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<li id="sidenav-labels-symbols"><a href="labels-symbols.html">Labels & Symbols</a></li>
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<li id="sidenav-editing-data"><a href="editing-data.html">Editing Data Operands</a></li>
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<li id="sidenav-generating-code"><a href="generating-code.html">Generating Code</a></li>
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</ul></li>
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<li id="sidenav-digging-deeper"><a href="digging-deeper.html">Digging Deeper</a>
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<ul>
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<li id="sidenav-string-formatting"><a href="string-formatting.html">String Formatting</a></li>
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<li id="sidenav-local-variables"><a href="local-variables.html">Local Variables</a></li>
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<li id="sidenav-inline-data"><a href="inline-data.html">Inline Data</a></li>
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<li id="sidenav-odds-ends"><a href="odds-ends.html">Odds & Ends</a></li>
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</ul></li>
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<li id="sidenav-advanced-topics"><a href="advanced-topics.html">Advanced Topics</a>
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<ul>
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<li id="sidenav-address-tables"><a href="address-tables.html">Address Tables</a></li>
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<li id="sidenav-extension-scripts"><a href="extension-scripts.html">Extension Scripts</a></li>
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<li id="sidenav-visualizations"><a href="visualizations.html">Visualizations</a></li>
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</ul></li>
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<li id="sidenav-suggestions"><a href="suggestions.html">Suggestions</a></li>
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</ul>
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</div>
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<!-- END: incl-sidenav.html -->
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<div id="main">
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<h2>Moving Around</h2>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-fullscreen.png" alt="t1-fullscreen"/>
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</div>
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<div class="grid-item-text">
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<p>The display is divided into five main areas:</p>
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<ol>
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<li>Code listing. Disassembled code and data is shown here.</li>
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<li>References. Shows a list of the places in the file that
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reference the currently selected line.</li>
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<li>Notes. A list of notes in the project. Useful as bookmarks.</li>
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<li>Symbols. All known symbols. The buttons at the top allow you
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to filter out symbol types that you're not interested in.</li>
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<li>Info. Information about the selected line. For code, this
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will have a summary of the instruction.</li>
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</ol>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-text">
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<p>The center code list window is divided into rows, one per line of disassembled
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code or data. This is a standard "list view" control, so you can select a
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row by left-clicking anywhere in it. Use <kbd class="key">Ctrl</kbd>+click
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to toggle the selection on individual lines, and
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<kbd class="key">Shift</kbd>+click to select a range of lines. You can move
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the selection around with the up/down arrow keys and
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<kbd class="key">PgUp</kbd>/<kbd class="key">PgDn</kbd>. Scroll the window
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with the mouse wheel, or by dragging the scroll bar thumb.</p>
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<p>Each row is divided into nine columns. You can adjust the column
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widths by clicking and dragging the column dividers in the header</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-all-columns.png" alt="t1-all-columns"/>
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</div>
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<div class="grid-item-text">
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<p>The columns on the right side of the window are similar to
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what you'd find in assembly source code: label, opcode, operand,
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comment. The columns on the left are what you'd find in a disassembly
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(file offset, address, raw bytes), plus some information about
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processor status flags and line attributes that may or may not be
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useful to you. If you find any of these distracting, collapse the
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column. (Many of the screen shots captured here will omit the
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"Attr" column for the sake of compactness.)</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-click-1002.png" alt="t1-click-1002"/>
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</div>
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<div class="grid-item-text">
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<p>Click on the fourth line down, which has address 1002. The
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line has a label, "L1002", and is performing an indexed load from
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L1017. Both of these labels were automatically generated, and are
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named for the address at which they appear. When you clicked on
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the line, a few things happened:</p>
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<ul>
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<li>The line was highlighted in the system selection color (usually
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blue).</li>
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<li>Address 1017 and label L1017 were highlighted. When you select
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a line with an operand that targets an in-file address, the target
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address is highlighted.</li>
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<li>An entry appeared in the References window. This tells you that the
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only reference to L1002 is a branch from address $100B.</li>
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<li>The Info window filled with a bunch of text that describes the
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line format and some details about the LDA instruction.</li>
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</ul>
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<p>Click some other lines, such as address $100B and $1014. Note how the
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highlights and contents of other windows change.</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-click-1017.png" alt="t1-click-1017"/>
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</div>
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<div class="grid-item-text">
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<p>Click on L1002 again, then double-click on the opcode ("LDA"). The
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selection jumps to L1017. When an operand references an in-file address,
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double-clicking on the opcode will take you to it. (Double-clicking on
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the operand itself opens a format editor; more on that later.)
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You can accomplish the same thing by selecting the line and hitting
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<kbd class="key">Ctrl+J</kbd>, or using
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<samp>Jump to Operand</samp> from the <samp>Navigate</samp> menu.</p>
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<p>With line L1017 selected, double-click on the line that appears in the
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References window. Note the selection jumps to L1002. You can immediately
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jump to any reference.</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-symbol-filters.png" alt="t1-symbol-filters"/>
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</div>
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<div class="grid-item-text">
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<p>At the top of the Symbols window on the right side of the screen is a
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row of buttons. Make sure "Auto" and "Addr" are selected. You should see
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three labels in the window (L1002, L1014, L1017). Double-click on "L1014"
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in the Symbols list. The selection jumps to the appropriate line.</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-text">
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<p>Select <samp>Navigate > Find</samp>. Type "hello", and hit Enter. The
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selection will move to address $100E, which is a string that says "hello!". You
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can use <samp>Navigate > Find Next</samp> to try to find the next
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occurrence (there isn't one). You can search for any text that appears in
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the rightmost columns (label, opcode, operand, comment).</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-goto-box.png" alt="t1-goto-box"/>
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</div>
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<div class="grid-item-text">
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<p>Select <samp>Navigate > Go To</samp>. You can enter a label,
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address, or file offset. Enter "<kbd>100b</kbd>" to set the selection
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to the line at address $100B.</p>
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</div>
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</div>
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<div class="grid-container">
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<div class="grid-item-image">
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<img src="images/t1-toolbar.png" alt="t1-toolbar"/>
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</div>
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<div class="grid-item-text">
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<p>Near the top-left of the SourceGen window is a set of toolbar icons.
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Click the curly left-pointing arrow, and watch the selection move. Click
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it again. Then click the curly right-arrow a couple of times. Whenever
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you jump around in the file by using the Go To feature, or by double-clicking
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on opcodes or lines in the side windows, the locations are added to a
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navigation history. The arrows let you move forward and backward
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through it.</p>
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<p>The "Nav Backward" feature is bound to the 4th button found on some
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mice (usually found on the side, activated with the thumb). This can
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be used to navigate quickly through a project using only the mouse.</p>
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</div>
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</div>
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</div> <!-- #main -->
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<a href="using-sourcegen.html" class="btn-previous">« Previous</a>
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<p>Copyright 2021 faddenSoft</p>
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