nanogui: Hercules on ELKS / Microwindows
Subject:
Re: Hercules on ELKS / Microwindows
From:
Jakob Eriksson ####@####.####
Date:
15 Sep 1999 22:53:28 -0000
Message-Id: <Pine.GSO.3.95.990916004233.25388A-100000@bilbo.mdh.se>
On Wed, 15 Sep 1999, Perry Harrington wrote:
> I happen to have source in C, C++ and asm available for free use,
> written by myself. There is also code for 640x480 B&W VGA there too.
Thanks a lot!
This simplifies both coding and legalities.
> The tar file can be had at:
>
> ftp://ftp.apsoft.com/pub/user/perry/source/herc.tar.gz
>
> If you look at the VGA code, it demostrates the use of a lookup table
> for Y coordinate offsets. A lookup table for herc would be a big
> speed win on slow CPUs, just calculate the Y beginning offset at
> driver initialization.
Hmm... interesting.
I never thought of that.
Probably the hercules can be really useful.
Regards,
Jakob
