Update to v073r07 release.

byuu says:

I give up for now. This WIP doesn't really improve uPD any, but it does
have major fixes to the debugger.
Debugger is still Linux-only for want of a HexEditor widget, but the
Linux one is now usable.
Before it'd trace and search for breakpoint at sub-1fps. Fixed it to not
break out of core for simple things and it'll run at near-fullspeed for
BPs, half-speed for tracing to file (lots of I/O.)

bsnes/snes/chip/necdsp/core/core.cpp

@@ -7,11 +7,21 @@ namespace SNES {
 #include "serialization.cpp"
 
 void uPDcore::exec() {
-//static uint16 lastpc = 0xffff;
-//if(lastpc != regs.pc) {
-//  print("A:", hex<4>((uint16)regs.a), " B:", hex<4>((uint16)regs.b), " DR:", hex<4>(regs.dr), " SR:", hex<4>(regs.sr), " FA:", hex<2>(regs.flaga), " FB:", hex<2>(regs.flagb), "\n");
-//  print(disassemble(lastpc = regs.pc), "\n");
-//}
+#if 0
+static uint16 lastpc = 0xffff;
+if(lastpc != regs.pc) {
+  print(
+    "A:", hex<4>((uint16)regs.a), " B:", hex<4>((uint16)regs.b),
+    " DR:", hex<4>(regs.dr), " SR:", hex<4>(regs.sr),
+    " FA:", hex<2>(regs.flaga), " FB:", hex<2>(regs.flagb),
+    " RP:", hex<4>(regs.rp), " DP:", hex<4>(regs.dp), " SO:", hex<4>(regs.so), "\n",
+    "K: ", hex<4>((uint16)regs.k), " L:", hex<4>((uint16)regs.l),
+    " M:", hex<4>((uint16)regs.m), " N:", hex<4>((uint16)regs.n),
+    " TR:", hex<4>(regs.tr), " TRB:", hex<4>(regs.trb), " [DP15]:", hex<4>(dataRAM[0x15]), "\n"
+  );
+  print(disassemble(lastpc = regs.pc), "\n");
+}
+#endif
 
   uint24 opcode = programROM[regs.pc];
   regs.pc = regs.pc + 1;
@@ -163,9 +173,6 @@ void uPDcore::exec_jp(uint24 opcode) {
   uint16 jps = (regs.pc & 0x3800) | (na << 0);
   uint16 jpl = (regs.pc & 0x2000) | (bank << 11) | (na << 0);
 
-  bool lj = false;
-  ljmp:
-
   switch(brch) {
     case 0x080: if(regs.flaga.c == 0) regs.pc = jps; return;  //JNCA
     case 0x082: if(regs.flaga.c == 1) regs.pc = jps; return;  //JCA
@@ -209,24 +216,14 @@ void uPDcore::exec_jp(uint24 opcode) {
     case 0x140: stack_push(); regs.pc = jps; return;  //CALL
   }
 
-  if(brch == 0x000) {
-    regs.pc = regs.so;
-    return;
+  switch(brch) {
+    case 0x000: regs.pc = regs.so; return;
+
+    case 0x081: if(regs.flaga.c == 1) regs.pc = jpl; return;
+
+    case 0x0bf: if(regs.sr.rqm == 1) regs.pc = jpl; return;
   }
 
-  if(lj == false) {
-    lj = true;
-    brch &= ~1;
-    jps = jpl;
-    goto ljmp;
-  }
-
-/*switch(brch) {
-    case 0x081: if(regs.flaga.c == 0) regs.pc = jpl; return;  //LJNCA
-
-    case 0x0bf: if(regs.sr.rqm == 1) regs.pc = jpl; return;  //LJRQM
-  }*/
-
   print(hex<4>(regs.pc - 1), ": unknown jump ", hex<3>(brch), "\n");
 
 /*bool r = false;

bsnes/snes/cpu/debugger/debugger.cpp

@@ -8,13 +8,11 @@ void CPUDebugger::op_step() {
   opcode_pc = regs.pc;
 
   opcode_edge = true;
-  if(debugger.step_cpu) {
+  debugger.breakpoint_test(Debugger::Breakpoint::Source::CPUBus, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
+  if(step_event && step_event() == true) {
     debugger.break_event = Debugger::BreakEvent::CPUStep;
     scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
-  } else {
-    debugger.breakpoint_test(Debugger::Breakpoint::Source::CPUBus, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
   }
-  if(step_event) step_event();
   opcode_edge = false;
 
   CPU::op_step();

bsnes/snes/cpu/debugger/debugger.hpp

@@ -2,7 +2,7 @@ class CPUDebugger : public CPU, public ChipDebugger {
 public:
   bool property(unsigned id, string &name, string &value);
 
-  function<void ()> step_event;
+  function<bool ()> step_event;
 
   enum Usage {
     UsageRead  = 0x80,

bsnes/snes/debugger/debugger.cpp

@@ -103,9 +103,6 @@ Debugger::Debugger() {
     breakpoint[n].counter = 0;
   }
   breakpoint_hit = 0;
-
-  step_cpu = false;
-  step_smp = false;
 }
 
 #endif

bsnes/snes/debugger/debugger.hpp

@@ -19,9 +19,6 @@ public:
   unsigned breakpoint_hit;
   void breakpoint_test(Breakpoint::Source source, Breakpoint::Mode mode, unsigned addr, uint8 data);
 
-  bool step_cpu;
-  bool step_smp;
-
   enum class MemorySource : unsigned { CPUBus, APUBus, APURAM, VRAM, OAM, CGRAM };
   uint8 read(MemorySource, unsigned addr);
   void write(MemorySource, unsigned addr, uint8 data);

bsnes/snes/smp/debugger/debugger.cpp

@@ -7,13 +7,11 @@ void SMPDebugger::op_step() {
   opcode_pc = regs.pc;
 
   opcode_edge = true;
-  if(debugger.step_smp) {
+  debugger.breakpoint_test(Debugger::Breakpoint::Source::APURAM, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
+  if(step_event && step_event() == true) {
     debugger.break_event = Debugger::BreakEvent::SMPStep;
     scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
-  } else {
-    debugger.breakpoint_test(Debugger::Breakpoint::Source::APURAM, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
   }
-  if(step_event) step_event();
   opcode_edge = false;
 
   SMP::op_step();

bsnes/snes/smp/debugger/debugger.hpp

@@ -2,7 +2,7 @@ class SMPDebugger : public SMP, public ChipDebugger {
 public:
   bool property(unsigned id, string &name, string &value);
 
-  function<void ()> step_event;
+  function<bool ()> step_event;
 
   enum Usage {
     UsageRead  = 0x80,

bsnes/snes/snes.hpp

@@ -1,7 +1,7 @@
 namespace SNES {
   namespace Info {
     static const char Name[] = "bsnes";
-    static const char Version[] = "073.06";
+    static const char Version[] = "073.07";
     static const unsigned SerializerVersion = 16;
   }
 }

bsnes/ui/debugger/console.cpp

@@ -33,12 +33,13 @@ void Console::create() {
   };
 }
 
-void Console::write(const string &text) {
-  if(traceToConsole.checked()) {
+void Console::write(const string &text, bool echo) {
+  if(traceToConsole.checked() || echo) {
     if(buffer != "") buffer.append("\n");
     buffer.append(text);
     output.setText(buffer);
     output.setCursorPosition(~0);
+    OS::run();
   }
   if(traceToFile.checked() && logfile.open()) {
     logfile.print(string(text, "\n"));
@@ -55,20 +56,21 @@ void Console::tracerEnable(bool state) {
 }
 
 void Console::eventBreakpoint() {
-  if(traceToConsole.checked() == false) return;
-
   unsigned n = SNES::debugger.breakpoint_hit;
-  write({ "Breakpoint ", n + 1, " hit." });
+  write({ "Breakpoint ", n + 1, " hit." }, true);
 
   if(SNES::debugger.breakpoint[n].source == SNES::Debugger::Breakpoint::Source::CPUBus) {
     eventTraceCPU();
+    cpuDebugger.refreshDisassembly();
   } else if(SNES::debugger.breakpoint[n].source == SNES::Debugger::Breakpoint::Source::APURAM) {
     eventTraceSMP();
+    smpDebugger.refreshDisassembly();
   }
 }
 
 void Console::eventTraceCPU() {
   if(traceCPU.checked() == false) return;
+  if(traceToConsole.checked() == false && traceToFile.checked() == false) return;
 
   char text[256];
   SNES::cpu.disassemble_opcode(text, SNES::cpu.regs.pc);
@@ -77,6 +79,7 @@ void Console::eventTraceCPU() {
 
 void Console::eventTraceSMP() {
   if(traceSMP.checked() == false) return;
+  if(traceToConsole.checked() == false && traceToFile.checked() == false) return;
 
   char text[256];
   SNES::smp.disassemble_opcode(text, SNES::smp.regs.pc);

bsnes/ui/debugger/console.hpp

@@ -10,7 +10,7 @@ struct Console : TopLevelWindow {
   file logfile;
 
   void create();
-  void write(const string &text);
+  void write(const string &text, bool echo = false);
   void tracerEnable(bool state);
   void eventBreakpoint();
   void eventTraceCPU();

bsnes/ui/debugger/cpu/debugger.cpp

@@ -29,7 +29,7 @@ void CPUDebugger::create() {
 }
 
 void CPUDebugger::synchronize() {
-  stepInto.setEnabled(SNES::cartridge.loaded() && debugger.enableDebugger.checked());
+  stepInto.setEnabled(SNES::cartridge.loaded() && debugger.enableDebugger.checked() && breakpointEditor.runToBreakpoint.checked() == false);
   stepOver.setEnabled(stepInto.enabled() && SNES::cpu.opcode_edge);
 }
 

bsnes/ui/debugger/debugger.cpp

@@ -85,13 +85,10 @@ void Debugger::setVisible(bool visible) {
 
 void Debugger::enable(bool state) {
   enableDebugger.setChecked(state);
-  SNES::debugger.step_cpu = state;
-  SNES::debugger.step_smp = state;
+  synchronize();
 }
 
 void Debugger::run() {
-  synchronize();
-
   if(enableDebugger.checked() == false) {
     SNES::system.run();
     return;
@@ -109,30 +106,41 @@ void Debugger::run() {
       debugMode = DebugMode::None;
       console.eventBreakpoint();
       breakpointEditor.eventBreakpoint();
+      synchronize();
     }
   }
 
-  if(SNES::debugger.break_event == SNES::Debugger::BreakEvent::CPUStep) {
-    if(debugMode == DebugMode::StepIntoCPU) {
-      debugMode = DebugMode::None;
-      cpuDebugger.eventStepInto();
-    }
-    console.eventTraceCPU();
-  }
-
-  if(SNES::debugger.break_event == SNES::Debugger::BreakEvent::SMPStep) {
-    if(debugMode == DebugMode::StepIntoSMP) {
-      debugMode = DebugMode::None;
-      smpDebugger.eventStepInto();
-    }
-    console.eventTraceSMP();
-  }
-
   SNES::debugger.break_event = SNES::Debugger::BreakEvent::None;
 }
 
+bool Debugger::step_cpu() {
+  if(enableDebugger.checked() == false) return false;
+  console.eventTraceCPU();
+  if(debugMode == DebugMode::StepIntoCPU) {
+    debugMode = DebugMode::None;
+    cpuDebugger.eventStepInto();
+    synchronize();
+    return true;
+  }
+  return false;
+}
+
+bool Debugger::step_smp() {
+  if(enableDebugger.checked() == false) return false;
+  console.eventTraceSMP();
+  if(debugMode == DebugMode::StepIntoSMP) {
+    debugMode = DebugMode::None;
+    smpDebugger.eventStepInto();
+    synchronize();
+    return true;
+  }
+  return false;
+}
+
 Debugger::Debugger() {
   debugMode = DebugMode::None;
+  SNES::cpu.step_event = { &Debugger::step_cpu, this };
+  SNES::smp.step_event = { &Debugger::step_smp, this };
 }
 
 #endif

bsnes/ui/debugger/debugger.hpp

@@ -24,6 +24,8 @@ struct Debugger : TopLevelWindow {
   void setVisible(bool visible = true);
   void enable(bool state);
   void run();
+  bool step_cpu();
+  bool step_smp();
 
   Debugger();
 };

bsnes/ui/debugger/smp/debugger.cpp

@@ -29,7 +29,7 @@ void SMPDebugger::create() {
 }
 
 void SMPDebugger::synchronize() {
-  stepInto.setEnabled(SNES::cartridge.loaded() && debugger.enableDebugger.checked());
+  stepInto.setEnabled(SNES::cartridge.loaded() && debugger.enableDebugger.checked() && breakpointEditor.runToBreakpoint.checked() == false);
   stepOver.setEnabled(stepInto.enabled() && SNES::smp.opcode_edge);
 }
 

bsnes/ui/debugger/tools/breakpoint-editor.cpp

@@ -28,6 +28,7 @@ void BreakpointEditor::create() {
     } else {
       debugger.debugMode = Debugger::DebugMode::None;
     }
+    debugger.synchronize();
   };
 }