cpu - Fix build errors

cpu/cpu.cpp

@@ -54,11 +54,11 @@ Cpu::Cpu(Mem_device* bus)
 
 void Cpu::step()
 {
-  if(stopped) return;
+  if(state.stopped) return;
 
   if(!handleInterrupts()) // if no isr has been called, decode an instruction
     {
-      if (halted)
+      if (state.halted)
         processed_mcycles += 4;
       else
         executeInstruction();
@@ -83,8 +83,8 @@ void Cpu::reset()
   state.IE = 0;
   state.IF = 0;
 
-  halted = false;
-  stopped = false;
+  state.halted = false;
+  state.stopped = false;
 }
 
 u8 Cpu::readPC8()
@@ -235,7 +235,7 @@ bool Cpu::handleInterrupts()
 
   // Once there's an interrupt we exit halt mode
   if (si)
-    halted = false;
+    state.halted = false;
 
   if (state.IME == IME_SCHEDULED)
     state.IME = IME_ON;

cpu/decoder.cpp

@@ -472,11 +472,11 @@ void Cpu::executeInstruction()
           break;
 
         case 0x76: // HALT
-          halted = true;
+          state.halted = true;
           break;
         case 0x10: // STOP n8
           (void)readPC8();
-          stopped = true;
+          state.stopped = true;
           break;
 
         case 0xE8: // ADD SP, e8