GPU: Cancel VRAM writes on Reset

src/core/gpu.cpp

@@ -180,6 +180,9 @@ void GPU::Reset(bool clear_vram)
     std::memset(g_gpu_clut, 0, sizeof(g_gpu_clut));
   }
 
+  // Cancel VRAM writes.
+  m_blitter_state = BlitterState::Idle;
+
   // Force event to reschedule itself.
   m_crtc_tick_event->Deactivate();
   m_command_tick_event->Deactivate();

src/core/gpu_hw.cpp

@@ -232,11 +232,11 @@ bool GPU_HW::Initialize()
 
 void GPU_HW::Reset(bool clear_vram)
 {
-  GPU::Reset(clear_vram);
-
   if (m_batch_vertex_ptr)
     UnmapGPUBuffer(0, 0);
 
+  GPU::Reset(clear_vram);
+
   if (m_sw_renderer)
     m_sw_renderer->Reset();