Improvements to the help command and general debugger usability.
This commit is contained in:
Lior Halphon
parent
e79ddee705
commit
f9236d12bf
@ -49,30 +49,30 @@
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<window title="Debug Console" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" hidesOnDeactivate="YES" oneShot="NO" releasedWhenClosed="NO" showsToolbarButton="NO" visibleAtLaunch="NO" animationBehavior="default" id="21F-Ah-yHX" customClass="NSPanel">
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<windowStyleMask key="styleMask" titled="YES" closable="YES" resizable="YES" utility="YES" HUD="YES"/>
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<windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
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<rect key="contentRect" x="272" y="172" width="320" height="240"/>
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<rect key="contentRect" x="272" y="172" width="600" height="400"/>
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<rect key="screenRect" x="0.0" y="0.0" width="2560" height="1417"/>
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<value key="minSize" type="size" width="320" height="240"/>
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<value key="minSize" type="size" width="600" height="400"/>
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<view key="contentView" id="dCP-E5-7Fi">
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<rect key="frame" x="0.0" y="0.0" width="320" height="240"/>
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<rect key="frame" x="0.0" y="0.0" width="600" height="400"/>
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<autoresizingMask key="autoresizingMask"/>
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<subviews>
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<scrollView borderType="none" horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" id="oTo-zx-o6N">
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<rect key="frame" x="0.0" y="25" width="320" height="216"/>
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<rect key="frame" x="0.0" y="25" width="600" height="376"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<clipView key="contentView" drawsBackground="NO" copiesOnScroll="NO" id="EQe-Ad-L7S">
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<rect key="frame" x="0.0" y="0.0" width="320" height="216"/>
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<rect key="frame" x="0.0" y="0.0" width="600" height="376"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<subviews>
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<textView editable="NO" drawsBackground="NO" importsGraphics="NO" richText="NO" baseWritingDirection="leftToRight" findStyle="bar" verticallyResizable="YES" allowsNonContiguousLayout="YES" id="doS-dM-hnl">
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<rect key="frame" x="0.0" y="0.0" width="320" height="216"/>
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<rect key="frame" x="0.0" y="0.0" width="600" height="376"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<color key="textColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
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<color key="backgroundColor" red="0.14901960784313725" green="0.14901960784313725" blue="0.14901960784313725" alpha="1" colorSpace="calibratedRGB"/>
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<size key="minSize" width="320" height="216"/>
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<size key="maxSize" width="463" height="10000000"/>
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<size key="minSize" width="600" height="376"/>
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<size key="maxSize" width="600" height="10000000"/>
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<color key="insertionPointColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
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<size key="minSize" width="320" height="216"/>
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<size key="maxSize" width="463" height="10000000"/>
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<size key="minSize" width="600" height="376"/>
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<size key="maxSize" width="600" height="10000000"/>
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<allowedInputSourceLocales>
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<string>NSAllRomanInputSourcesLocaleIdentifier</string>
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</allowedInputSourceLocales>
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@ -85,12 +85,12 @@
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<autoresizingMask key="autoresizingMask"/>
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</scroller>
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<scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="cwi-6E-rbh">
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<rect key="frame" x="304" y="0.0" width="16" height="216"/>
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<rect key="frame" x="584" y="0.0" width="16" height="376"/>
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<autoresizingMask key="autoresizingMask"/>
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</scroller>
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</scrollView>
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<textField focusRingType="none" verticalHuggingPriority="750" mirrorLayoutDirectionWhenInternationalizing="never" id="l22-S8-uji">
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<rect key="frame" x="0.0" y="0.0" width="320" height="24"/>
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<rect key="frame" x="0.0" y="0.0" width="600" height="24"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMaxY="YES"/>
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<textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" state="on" focusRingType="none" id="p3j-nS-44f">
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<font key="font" metaFont="fixedUser" size="11"/>
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@ -105,7 +105,7 @@
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</connections>
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</textField>
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<box verticalHuggingPriority="750" title="Box" boxType="separator" titlePosition="noTitle" id="960-dL-7ZY">
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<rect key="frame" x="0.0" y="23" width="320" height="5"/>
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<rect key="frame" x="0.0" y="23" width="600" height="5"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMaxY="YES"/>
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<color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
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<color key="fillColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
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204
Core/debugger.c
204
Core/debugger.c
@ -588,13 +588,15 @@ value_t debugger_evaluate(GB_gameboy_t *gb, const char *string,
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return VALUE_16(literal);
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}
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typedef bool debugger_command_imp_t(GB_gameboy_t *gb, char *arguments);
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struct debugger_command_s;
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typedef bool debugger_command_imp_t(GB_gameboy_t *gb, char *arguments, const struct debugger_command_s *command);
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typedef struct {
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typedef struct debugger_command_s {
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const char *command;
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uint8_t min_length;
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debugger_command_imp_t *implementation;
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const char *help_string; // Null if should not appear in help
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const char *arguments_format; // For usage message
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} debugger_command_t;
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static const char *lstrip(const char *str)
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@ -611,12 +613,22 @@ GB_log(gb, "Program is running. \n"); \
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return false; \
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}
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static bool cont(GB_gameboy_t *gb, char *arguments)
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static void print_usage(GB_gameboy_t *gb, const debugger_command_t *command)
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{
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if (command->arguments_format) {
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GB_log(gb, "Usage: %s %s\n", command->command, command->arguments_format);
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}
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else {
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GB_log(gb, "Usage: %s\n", command->command);
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}
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}
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static bool cont(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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STOPPED_ONLY
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: continue\n");
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print_usage(gb, command);
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return true;
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}
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@ -624,12 +636,12 @@ static bool cont(GB_gameboy_t *gb, char *arguments)
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return false;
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}
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static bool next(GB_gameboy_t *gb, char *arguments)
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static bool next(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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STOPPED_ONLY
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: next\n");
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print_usage(gb, command);
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return true;
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}
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@ -639,24 +651,24 @@ static bool next(GB_gameboy_t *gb, char *arguments)
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return false;
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}
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static bool step(GB_gameboy_t *gb, char *arguments)
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static bool step(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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STOPPED_ONLY
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: step\n");
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print_usage(gb, command);
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return true;
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}
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return false;
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}
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static bool finish(GB_gameboy_t *gb, char *arguments)
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static bool finish(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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STOPPED_ONLY
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: finish\n");
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print_usage(gb, command);
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return true;
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}
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@ -666,12 +678,12 @@ static bool finish(GB_gameboy_t *gb, char *arguments)
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return false;
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}
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static bool stack_leak_detection(GB_gameboy_t *gb, char *arguments)
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static bool stack_leak_detection(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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STOPPED_ONLY
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: sld\n");
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print_usage(gb, command);
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return true;
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}
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@ -681,10 +693,10 @@ static bool stack_leak_detection(GB_gameboy_t *gb, char *arguments)
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return false;
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}
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static bool registers(GB_gameboy_t *gb, char *arguments)
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static bool registers(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: registers\n");
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print_usage(gb, command);
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return true;
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}
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@ -723,10 +735,10 @@ static uint16_t find_breakpoint(GB_gameboy_t *gb, value_t addr)
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return (uint16_t) min;
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}
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static bool breakpoint(GB_gameboy_t *gb, char *arguments)
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static bool breakpoint(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments)) == 0) {
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GB_log(gb, "Usage: breakpoint <expression>[ if <condition expression>]\n");
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print_usage(gb, command);
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return true;
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}
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@ -788,21 +800,17 @@ static bool breakpoint(GB_gameboy_t *gb, char *arguments)
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return true;
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}
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static bool delete(GB_gameboy_t *gb, char *arguments)
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static bool delete(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments)) == 0) {
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GB_log(gb, "Delete all breakpoints? ");
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char *answer = gb->input_callback(gb);
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if (answer[0] == 'Y' || answer[0] == 'y') {
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for (unsigned i = gb->n_breakpoints; i--;) {
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if (gb->breakpoints[i].condition) {
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free(gb->breakpoints[i].condition);
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}
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for (unsigned i = gb->n_breakpoints; i--;) {
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if (gb->breakpoints[i].condition) {
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free(gb->breakpoints[i].condition);
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}
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free(gb->breakpoints);
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gb->breakpoints = NULL;
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gb->n_breakpoints = 0;
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}
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free(gb->breakpoints);
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gb->breakpoints = NULL;
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gb->n_breakpoints = 0;
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return true;
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}
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@ -852,11 +860,11 @@ static uint16_t find_watchpoint(GB_gameboy_t *gb, value_t addr)
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return (uint16_t) min;
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}
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static bool watch(GB_gameboy_t *gb, char *arguments)
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static bool watch(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments)) == 0) {
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print_usage:
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GB_log(gb, "Usage: watch (r|w|rw) <expression>[ if <condition expression>]\n");
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print_usage(gb, command);
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return true;
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}
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@ -944,21 +952,17 @@ print_usage:
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return true;
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}
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static bool unwatch(GB_gameboy_t *gb, char *arguments)
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static bool unwatch(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments)) == 0) {
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GB_log(gb, "Delete all watchpoints? ");
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char *answer = gb->input_callback(gb);
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if (answer[0] == 'Y' || answer[0] == 'y') {
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for (unsigned i = gb->n_watchpoints; i--;) {
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if (gb->watchpoints[i].condition) {
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free(gb->watchpoints[i].condition);
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}
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for (unsigned i = gb->n_watchpoints; i--;) {
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if (gb->watchpoints[i].condition) {
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free(gb->watchpoints[i].condition);
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}
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free(gb->watchpoints);
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gb->watchpoints = NULL;
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gb->n_watchpoints = 0;
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}
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free(gb->watchpoints);
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gb->watchpoints = NULL;
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gb->n_watchpoints = 0;
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return true;
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}
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@ -986,10 +990,10 @@ static bool unwatch(GB_gameboy_t *gb, char *arguments)
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return true;
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}
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static bool list(GB_gameboy_t *gb, char *arguments)
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static bool list(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: list\n");
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print_usage(gb, command);
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return true;
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}
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@ -1069,10 +1073,10 @@ static bool should_break(GB_gameboy_t *gb, uint16_t addr)
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return _should_break(gb, full_addr);
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}
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static bool print(GB_gameboy_t *gb, char *arguments)
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static bool print(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments)) == 0) {
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GB_log(gb, "Usage: print <expression>\n");
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print_usage(gb, command);
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return true;
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}
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@ -1084,10 +1088,10 @@ static bool print(GB_gameboy_t *gb, char *arguments)
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return true;
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}
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static bool examine(GB_gameboy_t *gb, char *arguments)
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static bool examine(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments)) == 0) {
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GB_log(gb, "Usage: examine <expression>\n");
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print_usage(gb, command);
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return true;
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}
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@ -1118,17 +1122,17 @@ static bool examine(GB_gameboy_t *gb, char *arguments)
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return true;
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}
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static bool mbc(GB_gameboy_t *gb, char *arguments)
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static bool mbc(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: mbc\n");
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print_usage(gb, command);
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return true;
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}
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const GB_cartridge_t *cartridge = gb->cartridge_type;
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if (cartridge->has_ram) {
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GB_log(gb, "Cartrdige includes%s RAM: %x\n", cartridge->has_battery? " battery-backed": "", gb->mbc_ram_size);
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GB_log(gb, "Cartrdige includes%s RAM: $%x bytes\n", cartridge->has_battery? " battery-backed": "", gb->mbc_ram_size);
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}
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else {
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GB_log(gb, "No cartridge RAM\n");
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@ -1166,10 +1170,10 @@ static bool mbc(GB_gameboy_t *gb, char *arguments)
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return true;
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}
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static bool backtrace(GB_gameboy_t *gb, char *arguments)
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static bool backtrace(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command)
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{
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if (strlen(lstrip(arguments))) {
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GB_log(gb, "Usage: backtrace\n");
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print_usage(gb, command);
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return true;
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}
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@ -1181,51 +1185,50 @@ static bool backtrace(GB_gameboy_t *gb, char *arguments)
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return true;
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}
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static bool help(GB_gameboy_t *gb, char *arguments);
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static bool help(GB_gameboy_t *gb, char *arguments, const debugger_command_t *command);
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#define HELP_NEWLINE "\n "
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/* Commands without implementations are aliases of the previous non-alias commands */
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static const debugger_command_t commands[] = {
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{"continue", 1, cont, "Continue running until next stop"},
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{"next", 1, next, "Run the next instruction, skipping over function calls"},
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{"step", 1, step, "Run the next instruction, stepping into function calls"},
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{"finish", 1, finish, "Run until the current function returns"},
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{"backtrace", 2, backtrace, "Display the current call stack"},
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{"bt", 2, backtrace, NULL},
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{"sld", 3, stack_leak_detection, "Run until the current function returns, or a stack leak is detected (Experimental)"},
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{"bt", 2, }, /* Alias */
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{"sld", 3, stack_leak_detection, "Like finish, but stops if a stack leak is detected. (Experimental)"},
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{"registers", 1, registers, "Print values of processor registers and other important registers"},
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{"cartridge", 2, mbc, "Displays information about the MBC and cartridge"},
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{"mbc", 3, mbc, NULL},
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{"breakpoint", 1, breakpoint, "Add a new breakpoint at the specified address/expression. Can also modify the condition of existing breakpoints."},
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{"delete", 2, delete, "Delete a breakpoint by its address, or all breakpoints"},
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{"watch", 1, watch, "Add a new watchpoint at the specified address/expression. Can also modify the condition and type of existing watchpoints."},
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{"unwatch", 3, unwatch, "Delete a watchpoint by its address, or all watchpoints"},
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{"mbc", 3, }, /* Alias */
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{"breakpoint", 1, breakpoint, "Add a new breakpoint at the specified address/expression." HELP_NEWLINE
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"Can also modify the condition of existing breakpoints.",
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"<expression>[ if <condition expression>]"},
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{"delete", 2, delete, "Delete a breakpoint by its address, or all breakpoints", "[<expression>]"},
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{"watch", 1, watch, "Add a new watchpoint at the specified address/expression." HELP_NEWLINE
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"Can also modify the condition and type of existing watchpoints.",
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" (r|w|rw) <expression>[ if <condition expression>]"},
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{"unwatch", 3, unwatch, "Delete a watchpoint by its address, or all watchpoints", "[<expression>]"},
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{"list", 1, list, "List all set breakpoints and watchpoints"},
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{"print", 1, print, "Evaluate and print an expression"},
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{"eval", 2, print, NULL},
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{"examine", 2, examine, "Examine values at address"},
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{"x", 1, examine, NULL},
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{"print", 1, print, "Evaluate and print an expression", "<expression>"},
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{"eval", 2, }, /* Alias */
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{"examine", 2, examine, "Examine values at address", "<expression>"},
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{"x", 1, }, /* Alias */
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{"help", 1, help, "List available commands"},
|
||||
{"help", 1, help, "List available commands or show help for the specified command", "[<command>]"},
|
||||
{NULL,}, /* Null terminator */
|
||||
};
|
||||
|
||||
static bool help(GB_gameboy_t *gb, char *arguments)
|
||||
{
|
||||
/* Todo: command specific help */
|
||||
const debugger_command_t *command = commands;
|
||||
for (size_t i = sizeof(commands) / sizeof(*command); i--; command++) {
|
||||
if (command->help_string) {
|
||||
GB_attributed_log(gb, GB_LOG_BOLD, "%s", command->command);
|
||||
GB_log(gb, ": %s\n", command->help_string);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static const debugger_command_t *find_command(const char *string)
|
||||
{
|
||||
const debugger_command_t *command = commands;
|
||||
size_t length = strlen(string);
|
||||
for (size_t i = sizeof(commands) / sizeof(*command); i--; command++) {
|
||||
for (const debugger_command_t *command = commands; command->command; command++) {
|
||||
if (command->min_length > length) continue;
|
||||
if (memcmp(command->command, string, length) == 0) { /* Is a substring? */
|
||||
/* Aliases */
|
||||
while (!command->implementation) {
|
||||
command--;
|
||||
}
|
||||
return command;
|
||||
}
|
||||
}
|
||||
@ -1233,6 +1236,47 @@ static const debugger_command_t *find_command(const char *string)
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void print_command_shortcut(GB_gameboy_t *gb, const debugger_command_t *command)
|
||||
{
|
||||
GB_attributed_log(gb, GB_LOG_BOLD | GB_LOG_UNDERLINE, "%.*s", command->min_length, command->command);
|
||||
GB_attributed_log(gb, GB_LOG_BOLD , "%s", command->command + command->min_length);
|
||||
}
|
||||
|
||||
static void print_command_description(GB_gameboy_t *gb, const debugger_command_t *command)
|
||||
{
|
||||
print_command_shortcut(gb, command);
|
||||
GB_log(gb, ": ");
|
||||
GB_log(gb, (const char *)&" %s\n" + strlen(command->command), command->help_string);
|
||||
}
|
||||
|
||||
static bool help(GB_gameboy_t *gb, char *arguments, const debugger_command_t *ignored)
|
||||
{
|
||||
const debugger_command_t *command = find_command(arguments);
|
||||
if (command) {
|
||||
print_command_description(gb, command);
|
||||
GB_log(gb, "\n");
|
||||
print_usage(gb, command);
|
||||
|
||||
command++;
|
||||
if (command->command && !command->implementation) { /* Command has aliases*/
|
||||
GB_log(gb, "\nAliases: ");
|
||||
do {
|
||||
print_command_shortcut(gb, command);
|
||||
GB_log(gb, " ");
|
||||
command++;
|
||||
} while (command->command && !command->implementation);
|
||||
GB_log(gb, "\n");
|
||||
}
|
||||
return true;
|
||||
}
|
||||
for (const debugger_command_t *command = commands; command->command; command++) {
|
||||
if (command->help_string) {
|
||||
print_command_description(gb, command);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void GB_debugger_call_hook(GB_gameboy_t *gb, uint16_t call_addr)
|
||||
{
|
||||
/* Called just after the CPU calls a function/enters an interrupt/etc... */
|
||||
@ -1409,7 +1453,7 @@ bool GB_debugger_do_command(GB_gameboy_t *gb, char *input)
|
||||
|
||||
const debugger_command_t *command = find_command(command_string);
|
||||
if (command) {
|
||||
return command->implementation(gb, arguments);
|
||||
return command->implementation(gb, arguments, command);
|
||||
}
|
||||
else {
|
||||
GB_log(gb, "%s: no such command.\n", command_string);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user