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-rw-r--r--src/mess/video/vtvideo.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mess/video/vtvideo.c b/src/mess/video/vtvideo.c
index 3af930ec0ef..fcd11257b85 100644
--- a/src/mess/video/vtvideo.c
+++ b/src/mess/video/vtvideo.c
@@ -191,6 +191,7 @@ READ8_MEMBER( vt100_video_device::lba7_r )
WRITE8_MEMBER( vt100_video_device::dc012_w )
{
// TODO: writes to 10C/0C should be treated differently (emulation disables the watchdog too often).
+ // - see 3.1.3.9.5 DC012 Programming Information (PC-100 spec)
if (data == 0) // MHFU is disabled by writing 00 to port 010C.
{
//if (MHFU_FLAG == true)