![]() Now your playscreen (viewport) will be not centered so adjust these, I give you an example on my TV, yours may vary:Ĭustom viewport Y pos. Of course, there are consoles that use the full 240p like Nintendo64 or PlayStation (in most games, there are exceptions) so for those consoles you should set Custom viewport height to 480.Īnd then there's Atari 2600 at 210p (custom vp 420) if I remember right When you search for pixel perfect image vertical resolution is more important than horizontal. On NTSC screen will be filled completely on PAL you will have black borders on top and bottom but this is correct: any try of increasing this number will result in pixel doubling and graphics deformation. It is well known that PAL has 256 (288 in overscan mode) pixels tall but most if not all Genesis, SNES or NES games only use 224, therefore the size of the viewport you must set is 448. Others like NES or SNES used 256 (512) horizontally but were stretched by the TV so setting width to 640 should do fine with Raspberry composite output. That should get you the equivalent to 320x224 consoles like Sega Genesis output (you set 640x448 because RPi composite resolutions are fixed at double res PAL/NTSC). Then, if you are in a retroarch core, enter retroarch menu (hotkey+B) go to "Settings", "Video" and set "Aspect ratio" to "Custom", then adjust these: Also I recommend you very much you change to non-interlaced (progressive) mode (sdtv_mode=18 for PAL or 16 for NTSC) as interlaced hurts your eyes and for fidelity purposes, most games on most consoles did progressive back in the day ![]() You should try to set sdtv_aspect to whatever number be 4:3 (you are stating you are using it on 16:9). Hi! All that follows is assuming you are using composite output. Is there a way to preserve original aspect ratio in a decent way? but It seems to "eat" some of the pixels on the image and the result it's not very good. I found a way to tweak the aspect ratio inside Retroarch. If I set the aspect ratio to 16/9 in the visual menu of Recalbox then I get Up an Down black bars which is not desired at all. If I set the aspect ratio to 4/3 in the visual menu of Recalbox everything is ignored and stays as it is. What I want to do is to add black bars left and right of the screen (if possible only ingame), this is the default behavior on the 1080p tv/monitor screens to preserve original aspect ratio, but somehow is ignored when using a CRT-TV. so, every system I run (snes, psx, n64, megadrive.) looks deformed or stretched. The thing is, most systems where designed with a 4:3 aspect ratio in mind. I have an old CRT-TV and the aspect ratio is 16:9, the settings on the config.txt are: Hardware (Micro SD, Power Supply, etc.): MicroSD(32GB), 5V3A, USB-FlashDrive(128GB) ![]()
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