mirror of https://github.com/stella-emu/stella.git
Major surgery on the breakpoint support. It all seems to work correctly
now: set/clear a breakpoint, clear all breakpoints, list breakpoints (including labels in the output!). The 6502 no longer gets "stuck" on a breakpoint if you quit the debugger while the current PC is a breakpoint. Some work on the prompt console. The CPU state information shouldn't be stale any more. git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@516 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
urchlay
parent
f1617b1db8
commit
379aa0c3ed
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: Debugger.cxx,v 1.12 2005-06-16 16:26:27 stephena Exp $
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// $Id: Debugger.cxx,v 1.13 2005-06-17 03:49:08 urchlay Exp $
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//============================================================================
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#include "bspf.hxx"
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@ -44,7 +44,7 @@ Debugger::Debugger(OSystem* osystem)
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// Init parser
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myParser = new DebuggerParser(this);
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equateList = new EquateList();
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breakPoints = new PackedBitArray(0xffff);
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breakPoints = new PackedBitArray(0x10000);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@ -65,7 +65,9 @@ void Debugger::initialize()
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h = kDebuggerHeight - y;
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delete myBaseDialog;
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myBaseDialog = new DebuggerDialog(myOSystem, this, x, y, w, h);
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DebuggerDialog *dd = new DebuggerDialog(myOSystem, this, x, y, w, h);
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myPrompt = dd->prompt();
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myBaseDialog = dd;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@ -101,6 +103,7 @@ const string Debugger::state()
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string result;
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char buf[255], bbuf[255];
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//cerr << "state(): pc is " << myDebugger->pc() << endl;
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result += "\nPC=";
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result += to_hex_16(myDebugger->pc());
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result += " A=";
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@ -120,6 +123,11 @@ const string Debugger::state()
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sprintf(buf, "%d", mySystem->cycles());
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result += buf;
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result += "\n ";
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char *label = equateList->getLabel(myDebugger->pc());
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if(label != NULL) {
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result += label;
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result += ": ";
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}
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int count = myDebugger->disassemble(myDebugger->pc(), buf, equateList);
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for(int i=0; i<count; i++) {
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sprintf(bbuf, "%02x ", readRAM(myDebugger->pc() + i));
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@ -257,17 +265,28 @@ const string Debugger::dumpTIA()
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void Debugger::start()
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bool Debugger::start()
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{
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if(myOSystem->eventHandler().state() != EventHandler::S_DEBUGGER)
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if(myOSystem->eventHandler().state() != EventHandler::S_DEBUGGER) {
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myOSystem->eventHandler().enterDebugMode();
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myPrompt->printPrompt();
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return true;
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} else {
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return false;
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}
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void Debugger::quit()
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{
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if(myOSystem->eventHandler().state() == EventHandler::S_DEBUGGER)
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if(myOSystem->eventHandler().state() == EventHandler::S_DEBUGGER) {
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// execute one instruction on quit, IF we're
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// sitting at a breakpoint. This will get us past it.
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// Somehow this feels like a hack to me, but I don't know why
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if(breakPoints->isSet(myDebugger->pc()))
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mySystem->m6502().execute(1);
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myOSystem->eventHandler().leaveDebugMode();
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}
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@ -360,10 +379,13 @@ EquateList *Debugger::equates() {
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void Debugger::toggleBreakPoint(int bp) {
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mySystem->m6502().setBreakPoints(breakPoints);
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if(bp < 0) bp = myDebugger->pc();
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breakPoints->toggle(bp);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool Debugger::breakPoint(int bp) {
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if(bp < 0) bp = myDebugger->pc();
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return breakPoints->isSet(bp) != 0;
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}
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: Debugger.hxx,v 1.8 2005-06-16 12:28:53 stephena Exp $
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// $Id: Debugger.hxx,v 1.9 2005-06-17 03:49:08 urchlay Exp $
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//============================================================================
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#ifndef DEBUGGER_HXX
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@ -30,6 +30,7 @@ class D6502;
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#include "M6502.hxx"
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#include "EquateList.hxx"
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#include "PackedBitArray.hxx"
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#include "PromptWidget.hxx"
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#include "bspf.hxx"
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enum {
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@ -48,7 +49,7 @@ enum {
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for all debugging operations in Stella (parser, 6502 debugger, etc).
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@author Stephen Anthony
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@version $Id: Debugger.hxx,v 1.8 2005-06-16 12:28:53 stephena Exp $
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@version $Id: Debugger.hxx,v 1.9 2005-06-17 03:49:08 urchlay Exp $
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*/
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class Debugger : public DialogContainer
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{
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@ -124,7 +125,7 @@ class Debugger : public DialogContainer
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// set a bunch of RAM locations at once
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const string setRAM(int argCount, int *args);
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void start();
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bool start();
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void quit();
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void trace();
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void step();
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@ -142,6 +143,7 @@ class Debugger : public DialogContainer
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void formatFlags(int f, char *out);
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EquateList *equates();
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PromptWidget *prompt();
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protected:
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Console* myConsole;
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@ -151,6 +153,7 @@ class Debugger : public DialogContainer
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D6502* myDebugger;
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EquateList *equateList;
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PackedBitArray *breakPoints;
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PromptWidget *myPrompt;
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};
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#endif
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: DebuggerParser.cxx,v 1.8 2005-06-16 16:18:57 urchlay Exp $
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// $Id: DebuggerParser.cxx,v 1.9 2005-06-17 03:49:08 urchlay Exp $
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//============================================================================
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#include "bspf.hxx"
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@ -170,6 +170,24 @@ bool DebuggerParser::subStringMatch(const string& needle, const string& haystack
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return false;
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}
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string DebuggerParser::listBreaks() {
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char buf[255];
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int count = 0;
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string ret;
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for(unsigned int i=0; i<0x10000; i++) {
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if(debugger->breakPoints->isSet(i)) {
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sprintf(buf, "%s ", debugger->equateList->getFormatted(i, 4));
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ret += buf;
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if(! (++count % 8) ) ret += "\n";
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}
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}
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if(count)
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return ret;
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else
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return "no breakpoints set";
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}
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string DebuggerParser::run(const string& command) {
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string result;
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@ -194,7 +212,7 @@ string DebuggerParser::run(const string& command) {
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// TODO: de-uglify this somehow. (it may not be worth doing?)
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if(subStringMatch(verb, "quit")) {
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if(subStringMatch(verb, "quit") || subStringMatch(verb, "run")) {
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debugger->quit();
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return "";
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} else if(subStringMatch(verb, "a")) {
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@ -266,44 +284,57 @@ string DebuggerParser::run(const string& command) {
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} else if(subStringMatch(verb, "reset")) {
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debugger->reset();
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} else if(subStringMatch(verb, "break")) {
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if(argCount == 1) {
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debugger->toggleBreakPoint(args[0]);
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if(debugger->breakPoint(args[0]))
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return "Set breakpoint";
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else
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return "Cleared breakpoint";
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} else {
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return "one argument required";
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int bp = -1;
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if(argCount > 1) {
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return "zero or one arguments required";
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} else if(argCount == 0) {
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bp = -1;
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} else if(argCount == 1) {
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bp = args[0];
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}
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debugger->toggleBreakPoint(bp);
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if(debugger->breakPoint(bp))
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return "Set breakpoint";
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else
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return "Cleared breakpoint";
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} else if(subStringMatch(verb, "listbreaks")) {
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return listBreaks();
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} else if(subStringMatch(verb, "clearbreaks")) {
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//debugger->clearAllBreakPoints();
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return "cleared all breakpoints";
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} else if(subStringMatch(verb, "help") || verb == "?") {
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// please leave each option on its own line so they're
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// easy to sort - bkw
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return
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"a xx - Set Accumulator to xx\n"
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// "break - Show all breakpoints\n"
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"break xx - Set/clear breakpoint at address xx\n"
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"c - Toggle Carry Flag\n"
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"d - Toggle Decimal Flag\n"
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"loadsym f - Load DASM symbols from file f\n"
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"n - Toggle Negative Flag\n"
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"pc xx - Set Program Counter to xx\n"
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"ram - Show RIOT RAM contents\n"
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"ram xx yy - Set RAM location xx to value yy (multiple values may be given)\n"
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"reset - Jump to 6502 init vector (does not reset TIA/RIOT)\n"
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"s xx - Set Stack Pointer to xx\n"
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"step - Single-step\n"
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"tia - Show TIA register contents\n"
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"trace - Single-step treating subroutine calls as one instruction\n"
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"v - Toggle Overflow Flag\n"
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"x xx - Set X register to xx\n"
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"y xx - Set Y register to xx\n"
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"z - Toggle Zero Flag\n"
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"a xx - Set Accumulator to xx\n"
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"break - Set/clear breakpoint at current PC\n"
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"break xx - Set/clear breakpoint at address xx\n"
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"c - Toggle Carry Flag\n"
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"clearbreaks - Clear all breakpoints\n"
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"d - Toggle Decimal Flag\n"
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"listbreaks - List all breakpoints\n"
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"loadsym f - Load DASM symbols from file f\n"
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"n - Toggle Negative Flag\n"
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"pc xx - Set Program Counter to xx\n"
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"ram - Show RIOT RAM contents\n"
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"ram xx yy - Set RAM location xx to value yy (multiple values may be given)\n"
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"reset - Jump to 6502 init vector (does not reset TIA/RIOT)\n"
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"run - Exit debugger (back to emulator)\n"
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"s xx - Set Stack Pointer to xx\n"
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"step - Single-step\n"
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"tia - Show TIA register contents\n"
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"trace - Single-step treating subroutine calls as one instruction\n"
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"v - Toggle Overflow Flag\n"
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"x xx - Set X register to xx\n"
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"y xx - Set Y register to xx\n"
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"z - Toggle Zero Flag\n"
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;
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} else {
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return "unimplemented command (try \"help\")";
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}
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// result += debugger->state();
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return result;
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}
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: DebuggerParser.hxx,v 1.4 2005-06-14 03:11:03 urchlay Exp $
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// $Id: DebuggerParser.hxx,v 1.5 2005-06-17 03:49:08 urchlay Exp $
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//============================================================================
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#ifndef DEBUGGER_PARSER_HXX
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@ -34,6 +34,7 @@ class DebuggerParser
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void setDone();
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string run(const string& command);
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bool getArgs(const string& command);
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string listBreaks();
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private:
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int DebuggerParser::conv_hex_digit(char d);
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@ -2,16 +2,6 @@
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#include "bspf.hxx"
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#include "PackedBitArray.hxx"
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/*
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boolean set();
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boolean clear();
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void set(int bit);
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void clear(int bit);
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void toggle(int bit);
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*/
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PackedBitArray::PackedBitArray(int length) {
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size = length;
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words = length / wordSize + 1;
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@ -21,8 +11,6 @@ PackedBitArray::PackedBitArray(int length) {
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// start out zeroed already?
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for(int i=0; i<words; i++)
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bits[i] = 0;
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// cerr << "size==" << size << " words==" << words << endl;
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}
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PackedBitArray::~PackedBitArray() {
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@ -47,8 +35,6 @@ void PackedBitArray::toggle(unsigned int bit) {
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unsigned int word = bit / wordSize;
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bit %= wordSize;
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// cerr << "word==" << word << ", bit==" << bit << endl;
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bits[word] ^= (1 << bit);
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}
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: M6502Hi.cxx,v 1.5 2005-06-16 12:28:54 stephena Exp $
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// $Id: M6502Hi.cxx,v 1.6 2005-06-17 03:49:09 urchlay Exp $
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//============================================================================
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#include "M6502Hi.hxx"
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@ -76,8 +76,11 @@ bool M6502High::execute(uInt32 number)
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if(breakPoints != NULL)
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{
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if(breakPoints->isSet(PC))
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myDebugger->start();
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if(breakPoints->isSet(PC)) {
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if(myDebugger->start()) {
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return true;
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}
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}
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}
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#ifdef DEBUG
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: M6502Low.cxx,v 1.5 2005-06-16 12:28:54 stephena Exp $
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// $Id: M6502Low.cxx,v 1.6 2005-06-17 03:49:10 urchlay Exp $
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//============================================================================
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#include "M6502Low.hxx"
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@ -63,7 +63,8 @@ bool M6502Low::execute(uInt32 number)
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if(breakPoints != NULL)
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{
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if(breakPoints->isSet(PC))
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myDebugger->start();
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if(myDebugger->start())
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return true;
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}
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#ifdef DEBUG
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|
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: DebuggerDialog.cxx,v 1.11 2005-06-16 22:18:02 stephena Exp $
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// $Id: DebuggerDialog.cxx,v 1.12 2005-06-17 03:49:10 urchlay Exp $
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//
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// Based on code from ScummVM - Scumm Interpreter
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// Copyright (C) 2002-2004 The ScummVM project
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@ -40,8 +40,8 @@ DebuggerDialog::DebuggerDialog(OSystem* osystem, DialogContainer* parent,
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// 1) The Prompt/console tab
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myTab->addTab("Prompt");
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PromptWidget* prompt = new PromptWidget(myTab, 2, 2, _w - vBorder, _h - 25);
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myTab->setParentWidget(0, prompt, prompt);
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myPrompt = new PromptWidget(myTab, 2, 2, _w - vBorder, _h - 25);
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myTab->setParentWidget(0, myPrompt, myPrompt);
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// 2) The CPU tab
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myTab->addTab("CPU");
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@ -85,3 +85,8 @@ void DebuggerDialog::handleKeyDown(int ascii, int keycode, int modifiers)
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{
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myTab->handleKeyDown(ascii, keycode, modifiers);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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PromptWidget *DebuggerDialog::prompt() {
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return myPrompt;
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}
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|
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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||||
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||||
//
|
||||
// $Id: DebuggerDialog.hxx,v 1.7 2005-06-16 00:55:59 stephena Exp $
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// $Id: DebuggerDialog.hxx,v 1.8 2005-06-17 03:49:10 urchlay Exp $
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//
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// Based on code from ScummVM - Scumm Interpreter
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// Copyright (C) 2002-2004 The ScummVM project
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@ -27,6 +27,7 @@ class DialogContainer;
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class TabWidget;
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#include "Dialog.hxx"
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#include "PromptWidget.hxx"
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|
||||
class DebuggerDialog : public Dialog
|
||||
{
|
||||
|
|
@ -35,11 +36,13 @@ class DebuggerDialog : public Dialog
|
|||
int x, int y, int w, int h);
|
||||
~DebuggerDialog();
|
||||
|
||||
PromptWidget *prompt();
|
||||
virtual void loadConfig();
|
||||
virtual void handleKeyDown(int ascii, int keycode, int modifiers);
|
||||
|
||||
protected:
|
||||
TabWidget* myTab;
|
||||
PromptWidget *myPrompt;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@
|
|||
// See the file "license" for information on usage and redistribution of
|
||||
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||||
//
|
||||
// $Id: PromptWidget.cxx,v 1.7 2005-06-16 16:18:57 urchlay Exp $
|
||||
// $Id: PromptWidget.cxx,v 1.8 2005-06-17 03:49:10 urchlay Exp $
|
||||
//
|
||||
// Based on code from ScummVM - Scumm Interpreter
|
||||
// Copyright (C) 2002-2004 The ScummVM project
|
||||
|
|
@ -78,7 +78,7 @@ PromptWidget::PromptWidget(GuiObject* boss, int x, int y, int w, int h)
|
|||
string version = string("Stella version ") + STELLA_VERSION + "\n";
|
||||
print(version.c_str());
|
||||
print("Debugger is ready\n");
|
||||
print( instance()->debugger().state() + "\n"); // FIXME: this doesn't work yet
|
||||
//print( instance()->debugger().state() + "\n"); // FIXME: this doesn't work yet
|
||||
print(PROMPT);
|
||||
_promptStartPos = _promptEndPos = _currentPos;
|
||||
}
|
||||
|
|
@ -137,6 +137,12 @@ void PromptWidget::handleMouseWheel(int x, int y, int direction)
|
|||
_scrollBar->handleMouseWheel(x, y, direction);
|
||||
}
|
||||
|
||||
void PromptWidget::printPrompt() {
|
||||
print( instance()->debugger().state() + "\n");
|
||||
print(PROMPT);
|
||||
_promptStartPos = _promptEndPos = _currentPos;
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
bool PromptWidget::handleKeyDown(int ascii, int keycode, int modifiers)
|
||||
{
|
||||
|
|
@ -174,9 +180,7 @@ bool PromptWidget::handleKeyDown(int ascii, int keycode, int modifiers)
|
|||
delete [] str;
|
||||
}
|
||||
|
||||
print( instance()->debugger().state() + "\n");
|
||||
print(PROMPT);
|
||||
_promptStartPos = _promptEndPos = _currentPos;
|
||||
printPrompt();
|
||||
|
||||
draw();
|
||||
instance()->frameBuffer().refresh();
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@
|
|||
// See the file "license" for information on usage and redistribution of
|
||||
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||||
//
|
||||
// $Id: PromptWidget.hxx,v 1.2 2005-06-16 00:56:00 stephena Exp $
|
||||
// $Id: PromptWidget.hxx,v 1.3 2005-06-17 03:49:10 urchlay Exp $
|
||||
//
|
||||
// Based on code from ScummVM - Scumm Interpreter
|
||||
// Copyright (C) 2002-2004 The ScummVM project
|
||||
|
|
@ -49,6 +49,9 @@ class PromptWidget : public Widget, public CommandSender
|
|||
int vprintf(const char *format, va_list argptr);
|
||||
#undef putchar
|
||||
void putchar(int c);
|
||||
void print(const char *str);
|
||||
void print(string str);
|
||||
void printPrompt();
|
||||
|
||||
protected:
|
||||
inline char &buffer(int idx) { return _buffer[idx % kBufferSize]; }
|
||||
|
|
@ -57,8 +60,6 @@ class PromptWidget : public Widget, public CommandSender
|
|||
void drawCaret();
|
||||
void putcharIntern(int c);
|
||||
void insertIntoPrompt(const char *str);
|
||||
void print(const char *str);
|
||||
void print(string str);
|
||||
void updateScrollBuffer();
|
||||
void scrollToCurrent();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue