GPU: Don't use field offset for ODE in vblank

6 years ago · 65c42cd30e
parent 2bc1c67236
commit 65c42cd30e
1 changed files with 2 additions and 2 deletions
--- a/src/core/gpu.cpp
+++ b/src/core/gpu.cpp
@ -704,8 +704,8 @@ void GPU::Execute(TickCount ticks)
  // alternating even line bit in 240-line mode
  if (m_GPUSTAT.In480iMode())
  {
-    m_GPUSTAT.displaying_odd_line =
+    m_GPUSTAT.displaying_odd_line = ConvertToBoolUnchecked(
-      ConvertToBoolUnchecked((m_crtc_state.regs.Y + BoolToUInt32(m_GPUSTAT.interlaced_field)) & u32(1));
+      (m_crtc_state.regs.Y + BoolToUInt32(m_GPUSTAT.interlaced_field && !m_crtc_state.in_vblank)) & u32(1));
  }
  else
  {