Add global cycles counter

1 files changed, 6 insertions, 3 deletions

diff --git a/emulator.cpp b/emulator.cpp
index 7ce5f60..c6557a2 100644
--- a/emulator.cpp
+++ b/emulator.cpp
@@ -41,6 +41,8 @@ unsigned char g_psg[PSG_SIZE] = {};
 VDP g_vdp(VDP_START);
 std::vector<Breakpoint> code_bkpts{}, read_bkpts{}, write_bkpts{}, access_bkpts{};
 
+uint64_t g_cycles_counter = 0;
+
 template<typename T, size_t S>
 struct Backtrace {
     static_assert(S > 0, "Backtrace size cannot be zero");
@@ -290,7 +292,7 @@ static std::string CreateResponse(
             return "OK";
         }
     case PacketType::kStep:
-        m68k_execute(1);
+        g_cycles_counter += m68k_execute(1);
         return "S05"; // TODO real reason
     case PacketType::kSetBreakpoint:
         {
@@ -484,9 +486,10 @@ int emulator(M68KDebuggingControl& m68k_debug, Graphics& graphics)
             }
             if (m68k_debug.IsRunning()) {
                 do {
-                    m68k_execute(10000);
+                    g_cycles_counter += m68k_execute(1000);
                 } while(!g_vdp.Scanline());
                 graphics.Render(g_vdp);
+                g_cycles_counter += m68k_execute(8000);
             }
             if (m68k_debug.HasBreakpoint()) {
                 m68k_debug.SetRunning(false);
@@ -535,7 +538,7 @@ int main(int argc, char* argv[])
     m68k_init();
     m68k_set_cpu_type(M68K_CPU_TYPE_68000);
     m68k_pulse_reset();
-    m68k_execute(1); // Skip reset cycles
+    g_cycles_counter += m68k_execute(1); // Skip reset cycles
 
     emulator(g_m68k_debug, graphics);