Date : Thu, 15 Aug 2002 22:31:00 +0100
From : James Fidell <james@...>
Subject: Re: Firetrack emulation again
Quoting Michael Foot (mjfoot@...):
> One more question - What, in the hardware, allows modes 3 and 6 to
> have a small gap between each character line? Is it the CRTC? How does
> it know to produce a gap?
It's the setting of the "scanlines per character" register in the CRTC,
as far as I recall. If you set (say) 10 scanlines per character, and
you only have 8 lines of data for the character, the last remaining
lines will be blank.
James