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Forums > CSDb Discussions > Best LCD TV-set for the C64?
2009-06-10 08:37
ZZAP69

Registered: Feb 2002
Posts: 30
Best LCD TV-set for the C64?

Most people I've talked to, doesn't recommend a LCD TV as a C64 monitor, but my question is: which is the best one? I'm looking forward to a slick C64 setup with 1541U and a very portable monitor. :D

Tobias
 
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2009-06-11 13:16
Radiant

Registered: Sep 2004
Posts: 639
macx: Thing is, the timing in a PAL C64 is hardwired to run against a 50.12 Hz screen, so you will run into display skewing problems unless you can find a screen which allows for a refresh rate that's evenly dividable by 50.12. There is no clever way around it, the "best" solution is to compensate for the skew by blending the would-be-skewed frames into an accurate intermediate.

(Edit: Why does no emulator feature this as of yet?)
2009-06-11 13:19
Frantic

Registered: Mar 2003
Posts: 1627
tss.. swappers... ;)
2009-06-11 13:25
macx

Registered: Mar 2002
Posts: 250
Quote: tss.. swappers... ;)

Yep. Pure elite us traders are :-)

RadX. Gotcha!

/trying to escape from nephrology studies
2009-06-11 13:38
Frantic

Registered: Mar 2003
Posts: 1627
Not that I think it would be a very great idea, but just out of curiosity: Would it be easy to modify a C64 to run at precisely 50hz?
2009-06-11 13:52
Sasq

Registered: Apr 2004
Posts: 155
What we need is a magic box with analog video/audio in and digital out that can do all the things we want, ie;

o Correct interlace handling

o Buffering of images to allow for slight reduction or increase in framerate by just playing slightly slower/faster

o Real telecine / inverse telecine frame rate conversion

o Scanline / PAL emulation

o etc...

Any hardware hacker with a year or two to spare? :)

(Come to think of it there is probably commercial hardware that does much of this, but I bet it costs a shitload).


EDIT: Oh, and for the second feature to work it must also remove or add black frames whenever it can to compensate :)
2009-06-11 14:39
Radiant

Registered: Sep 2004
Posts: 639
Sasq: Still, with all that, realtime is a no-go. :-(
2009-06-11 15:45
Clarence

Registered: Mar 2004
Posts: 119
@WVL: this is strange bcoz I tested a monitor like yours before buying mine, and both worked. On the downside the Neovo has a 25ms refresh rate (thus a bit blurry) and the c64 colors feels a bit strange (even after adjusting it a lot), but I got used to it. I'm not sure if it's still being produced.

Also... Hollowman/FLT has a working lcd tv configuration afaik, ask him for the type.

If an lcdtv/tft monitor has explicit PAL 50hz support on it's feature list then that's a very good sign, but as someone stated before me, you must try it to be really sure.

Also, I kept an eye on this promising c64-vga project: http://www.commodorescene.servebbs.org/vga.html
but it seems to be dead for some reason. :(
2009-06-11 15:46
Sasq

Registered: Apr 2004
Posts: 155
Yes it would be mostly for watching demos - but some of the features could of course be used realtime.
2009-06-11 19:21
hollowman

Registered: Dec 2001
Posts: 474
Quoting Clarence

Also... Hollowman/FLT has a working lcd tv configuration afaik, ask him for the type.

In 2004 I bought an Andersson Y1/02 15" TV and in 2006 an Andersson Y70HD 32" TV. Some googling says that they are probably made by a Turkish manufacturer and then sold under the Andersson name by netonnet.se
The good thing is that they are cheap and have plenty of different inputs and the ones I have work fine with c64. But they do lag a bit when watching 50Hz effects, so I can't recommend them fully.
2009-06-12 08:57
macx

Registered: Mar 2002
Posts: 250
My external tv-card has worked good enough for me the past three years (not necessary to route via a pc) on my li´l 17", but I guess when going down to these anal bits on delays and stuff it is as sucky as anything else.

Hollow: is the picture flickering _at_all_ with those Andersson screens?
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