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R. Belmont
Cuckoo for IGAvania
Reged: 09/21/03
Posts: 9716
Loc: ECV-197 The Orville
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Re: SCREEN_RAW_PARAMS and dynamic changes
06/24/11 04:15 PM


> So I'm looking into a fairly complicated CRTC chip (The Signetics SCN2674), and it
> looks like it can configure the sizes of the offscreen areas and visible areas pretty
> much at will - with at least one game exploiting that for raster timing.
>
> I know it's the case that there's a call that lets visible area be changed within the
> driver, because PSX.c uses it, but what about the raw parameters - all I see in
> screen.c is the static versions for init time?

You can definitely change the screen parameters dynamically; look at the CRTC6845 emulation, for instance.







Entire thread
Subject Posted by Posted on
* SCREEN_RAW_PARAMS and dynamic changes JWallace 06/24/11 03:58 PM
. * Re: SCREEN_RAW_PARAMS and dynamic changes R. Belmont  06/24/11 04:15 PM
. * Re: SCREEN_RAW_PARAMS and dynamic changes JWallace  06/25/11 03:25 PM

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