I've had CGA, EGA VGA (MCGA :) ) at that time. I clearly don't remember so much scanlines. There may have been some present, but they were not that visible (IIR

I've had CGA, EGA VGA (MCGA :) ) at that time. I clearly don't remember so much scanlines. There may have been some present, but they were not that visible (IIRC). So I tend to confirm what you say.