2008/5/23 Frode Tenneboe [EMAIL PROTECTED]:
ftp://ftp.worldofspectrum.org/pub/sinclair/magazines/SinclairUser/Issue099/Tape/SUIssue99-Megatape27.tzx.zip
..or more easily accessible:
ftp://ftp.nvg.ntnu.no/pub/sam-coupe/disks/demos/SimonGoodwin-512x384Interlace.zip
Thanks Frode. Brings back
Dave wrote:
Here's Simon's vision finally realised 18 years on :-)
http://myweb.tiscali.co.uk/dlaundon/mode3+3a.jpg
Oooh, nice!
On a previous
TV (years ago) it seemed like the composite signal and RGB signals
were interfering with each other (and one seemed to be offset from the
other by
2008/5/26 Colin Piggot [EMAIL PROTECTED]:
On a SAM RGB Scart cable the composite video output from the SAM (pin 19) is
not connected. At the TV end, Pin 19 connects to Pin 16 via a 470ohm
resistor - the diagram in the SAM manual of a RGB Scart lead just has a wire
link between 16 and 19 but
it?
Howard
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Dave Laundon
Sent: 22 May 2008 20:56
To: sam-users@nvg.ntnu.no
Subject: Re: Interlaced video
2008/5/22 Colin Piggot [EMAIL PROTECTED]:
Now the question is, depending how the TV is interlacing the frames
There's a timing difference between even frames and odd fields in the
syncs generated at the field end. Non-interlaced video essentially
sends only even fields.
That said, I'm not sure if non-interlaced video was ever an official
part of the PAL spec, so perhaps this TV is justified in its
Thomas wrote:
There's a timing difference between even frames and odd fields in the
syncs generated at the field end. Non-interlaced video essentially
sends only even fields.
Was about to say the same thing. The standard 625 line frame (consisting of
one odd and one even field) has several
James wrote:
Wasn't it Sinclair User?
Oops! Yes, you're quite right. It was Sinclair User - issue 99.
Colin
=
Quazar : Hardware, Software, Spares and Repairs for the SAM Coupe
1995-2008 - Celebrating 14 Years of developing for the SAM Coupe
Website: http://www.samcoupe.com/
on the TV's I'd tried it on. Other
routines in the issue did MODE 3 interlacing - flicking between MODE3
screens saying it would give a screen resolution of 512x384, but it's not as
the SAM only outputs non-interlaced video so again, it just appears as a bit
of a flickery mess!
Ah right
2008/5/21 Thomas Harte [EMAIL PROTECTED]:
Also, one further question: am I right to think that the Sam has no
means of producing interlaced video?
It's funny you should mention that... I recently got a new LCD TV (a nice
Samsung 32, unfortunately not Full HD though...) and just the other day
2008/5/22 Colin Piggot [EMAIL PROTECTED]:
Now the question is, depending how the TV is interlacing the frames, and how
many frames there's been since the SAM was powered up - when the 'Interlaced
Pictures' from FRED are loaded the frames might show with the intended
'interlacing', or be
resolution of 512x384, but it's not as
the SAM only outputs non-interlaced video so again, it just appears as a bit
of a flickery mess!
Out of curiosity, what model of TV is it you have?
Colin
=
Quazar : Hardware, Software, Spares and Repairs for the SAM Coupe
1995-2008 - Celebrating 14 Years
MODE 3 interlacing - flicking between MODE3
screens saying it would give a screen resolution of 512x384, but it's not as
the SAM only outputs non-interlaced video so again, it just appears as a bit
of a flickery mess!
Ah right, another one for me to track down and try then!
Out of curiosity
on the TV's I'd tried it on. Other
routines in the issue did MODE 3 interlacing - flicking between MODE3
screens saying it would give a screen resolution of 512x384, but it's not as
the SAM only outputs non-interlaced video so again, it just appears as a bit
of a flickery mess!
Dave Ah right
between MODE3
screens saying it would give a screen resolution of 512x384, but it's not
as
the SAM only outputs non-interlaced video so again, it just appears as a
bit
of a flickery mess!
Wasn't it Sinclair User?
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