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-rw-r--r--src/devices/machine/vrender0.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/vrender0.cpp b/src/devices/machine/vrender0.cpp
index e78ea14cf75..c8ad510218f 100644
--- a/src/devices/machine/vrender0.cpp
+++ b/src/devices/machine/vrender0.cpp
@@ -480,7 +480,7 @@ bool vrender0soc_device::crt_active_vblank_irq()
if (crt_is_interlaced() == false)
return true;
- // bit 3 of CRTC reg -> select display start
+ // bit 3 of CRTC reg -> select display start even/odd fields
return (m_host_screen->frame_number() & 1) ^ ((m_crtcregs[0] & 8) >> 3);
}