GPU: Clear display when disabling DAC and interlaced

Fixes old output showing up briefly when it's re-enabled.
2021-01-18 03:28:12 +10:00 · 2021-01-18 03:28:12 +10:00 · 699d599d00
parent 9da35be0a8
commit 699d599d00
1 changed files with 4 additions and 0 deletions
--- a/src/core/gpu.cpp
+++ b/src/core/gpu.cpp
@ -1041,6 +1041,10 @@ void GPU::WriteGP1(u32 value)
      const bool disable = ConvertToBoolUnchecked(value & 0x01);
      Log_DebugPrintf("Display %s", disable ? "disabled" : "enabled");
      SynchronizeCRTC();
+
+      if (!m_GPUSTAT.display_disable && disable && m_GPUSTAT.vertical_interlace && !m_force_progressive_scan)
+        ClearDisplay();
+
      m_GPUSTAT.display_disable = disable;
    }
    break;