Lodestar wrote:I have a USB drive that I boot off of, I haven't messed around with this kind of stuff in a while, but there is an ELF that I can put on it that'll let me play the games installed on my HD in 480p? That's very intriguing.
d123456 wrote:Either deinterlacing them to 240p
d123456 wrote:Sometimes GSM will make a 480i game look like a 240p game. Line doubling. It will have the resolution of a ps1 game.
elvis wrote:Excellent post with lots of detail. Thank you.
Some minor clarifications on the terminology:d123456 wrote:Either deinterlacing them to 240p
You can't deinterlace 480i to 240p. Deinterlacing a 480i picture results in a 480p30 picture.d123456 wrote:Sometimes GSM will make a 480i game look like a 240p game. Line doubling. It will have the resolution of a ps1 game.
You can't "line double" 480i to 240p. Line doubling takes what would be a single line, and draws it twice. It's a very cheap way of scaling 240p to 480p, but with very blocky results.
All of these terms ("deinterlacing" and "line doubling") happen AFTER a picture is drawn in a particular mode as post-processing. What these hex hacks and GSM do is prevent the PS2 from upscaling and interlacing pictures BEFORE the picture is drawn. The benefit here is that you actually remove 1/30th of a second worth of lag thanks tho the fact that the PS2 doesn't have to drawn two fields to the one frame to the screen.
Running games in native 240p on low resolution devices (TVs or arcade monitors), or running them on 480p on high resolution devices (PC monitors both CRT and VGA, or flatscreen TVs) has more benefits than just picture quality. Removing the interlacing means whole frames are drawn quicker, and there's 1/30th of a second less lag in processing at both ends.
Progressive scan is the ONLY way to play video games. Interlacing was added to televisions to fake a higher resolution on CRT TVs, but sadly it caught on in the video game market too. I've never generally bothered with console hacks and homebrew software, but the one exception is being able to force games into better resolutions for output on various displays that match those outputs.
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