Slight improvements to debugger, still wonky

src/backend/Core.cpp

@@ -91,6 +91,7 @@ void Core::StepRSP(int cpuCycles) {
 void Core::Run(float volumeL, float volumeR) {
   MMIO &mmio = mem->mmio;
 
+  bool broken = false;
   for (int field = 0; field < mmio.vi.numFields; field++) {
     u32 frameCycles = 0;
     for (int i = 0; i < mmio.vi.numHalflines; i++) {
@@ -102,16 +103,25 @@ void Core::Run(float volumeL, float volumeR) {
 
       while(cycles < mem->mmio.vi.cyclesPerHalfline) {
         u32 taken = StepCPU();
-        StepRSP(taken);
-
         cycles += taken;
+
+        if((broken = breakpoints.contains(regs.nextPC)))
+          break;
+
+        StepRSP(taken);
         frameCycles += taken;
         Scheduler::GetInstance().Tick(taken);
       }
 
+      if(broken)
+        break;
+
       cycles -= mmio.vi.cyclesPerHalfline;
     }
 
+    if(broken)
+      break;
+
     if ((mmio.vi.current & 0x3FE) == mmio.vi.intr) {
       mmio.mi.InterruptRaise(MI::Interrupt::VI);
     }
@@ -119,5 +129,8 @@ void Core::Run(float volumeL, float volumeR) {
     mmio.ai.Step(frameCycles, volumeL, volumeR);
     Scheduler::GetInstance().Tick(frameCycles);
   }
+
+  if(broken)
+    pause = true;
 }
 } // namespace n64

src/backend/Core.hpp

@@ -38,7 +38,7 @@ struct Core {
   void Run(float volumeL, float volumeR);
   void TogglePause() { pause = !pause; }
   inline void ToggleBreakpoint(s64 addr) {
-    if(breakpoints.contains(addr)){
+    if(breakpoints.contains(addr)) {
       breakpoints.erase(addr);
       return;
     }

src/backend/core/mmio/PIF.cpp

@@ -118,7 +118,7 @@ void PIF::LoadEeprom(const SaveType saveType, const std::string &path) {
 
     eeprom = mio::make_mmap_sink(eepromPath, 0, mio::map_entire_file, error);
     if (error) {
-      panic("Could not open {}", eepromPath);
+      panic("Could not open {}. Reason {}", eepromPath, error.message());
     }
   }
 }