fix crash on Windows + small performace improvement BUT breaks Donkey

Kong

src/backend/core/BaseCPU.hpp

@@ -6,6 +6,9 @@ struct BaseCPU {
   virtual ~BaseCPU() {}
   virtual void Reset() {}
   virtual int Run() {}
+  void RunRSP(int cpuCount) {
+    mem.mmio.rsp.Run(cpuCount, regs, mem);
+  }
   Registers regs;
   Mem mem;
 };

src/backend/core/Interpreter.cpp

@@ -26,8 +26,8 @@ void Interpreter::Reset() {
 }
 
 int Interpreter::Run() {
-  int cycles = 0;
-  for(; cycles <= mem.mmio.vi.cyclesPerHalfline; cycles++) {
+  int cycles = 1;
+  for(; cycles < mem.mmio.vi.cyclesPerHalfline; cycles++) {
     CheckCompareInterrupt(mem.mmio.mi, regs);
 
     regs.prevDelaySlot = regs.delaySlot;

src/backend/core/Mem.cpp

@@ -8,6 +8,8 @@
 
 namespace n64 {
 Mem::Mem() {
+  cart = (u8*)calloc(CART_SIZE, 1);
+  sram = (u8*)calloc(SRAM_SIZE, 1);
   Reset();
 }
 
@@ -22,16 +24,8 @@ void Mem::Reset() {
     writePages[i] = pointer;
   }
 
-  if(sram) {
-    free(sram);
-  }
-
-  if(cart) {
-    free(cart);
-  }
-
-  cart = (u8*)calloc(CART_SIZE, 1);
-  sram = (u8*)calloc(SRAM_SIZE, 1);
+  memset(cart, 0, CART_SIZE);
+  memset(sram, 0, SRAM_SIZE);
   mmio.Reset();
 }
 

src/backend/core/RDP.cpp

@@ -6,15 +6,13 @@
 
 namespace n64 {
 RDP::RDP() {
+  rdram = (u8*)calloc(RDRAM_SIZE, 1);
   Reset();
 }
 
 void RDP::Reset() {
   dpc.status.raw = 0x80;
-  if(rdram) {
-    free(rdram);
-  }
-  rdram = (u8*)calloc(RDRAM_SIZE, 1);
+  memset(rdram, 0, RDRAM_SIZE);
   memset(cmd_buf, 0, 0x100000);
 }
 

src/backend/core/RDP.hpp

@@ -57,7 +57,7 @@ struct RDP {
   RDP();
   void Reset();
 
-  u8* rdram;
+  u8* rdram = nullptr;
   [[nodiscard]] auto Read(u32 addr) const -> u32;
   void Write(MI& mi, Registers& regs, RSP& rsp, u32 addr, u32 val);
   void WriteStatus(MI& mi, Registers& regs, RSP& rsp, u32 val);