[Coco] Re: Re: again: CoCo RGB to VGA conversion
jdaggett at gate.net
jdaggett at gate.net
Mon Aug 23 20:49:11 EDT 2004
Mike
Leterbox is the best description. Inserting about 200 border lines,
100 ab ove and 100 below will make the display look like a letterbox
display.
james
On 23 Aug 2004 at 19:46, KnudsenMJ at aol.com wrote:
From: KnudsenMJ at aol.com
Date sent: Mon, 23 Aug 2004 19:46:55 EDT
Subject: Re: [Coco] Re: Re: again: CoCo RGB to VGA
conversion
To: coco at maltedmedia.com
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> In a message dated 8/23/04 2:58:59 PM Eastern Daylight Time,
> james at skwirl.ca writes:
>
> > Unless the converter scales it up, right? For instance, doubling the
> > width
> > and height of each pixel to fit a larger screen.
>
> It's hard for a converter to scale up a line to a fraction of a line,
> such as 1.5 lines (without some significant gray-level anti-aliasing).
>
> Let's see, the VGA has 480 lines. Straight Coco3 has 384, or 80%, so
> you have 10% of the total screen height blank at top and bottom. Not
> too bad.
>
> RSBASIC and maybe even OS-9 can be poked up to 200 high, or 400 out of
> 480. Some BASIC hackers claim to have hit 225, or 450 out of 480.
>
> Tell your friends you have the director's cut "letterboxed" edition
> :-) Anyway, I wouldn't worry about it. --Mike K.
>
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