Software Support > GroovyMAME
SCART CRT TV And GroovyMAME Thread 2
Calamity:
--- Quote from: Paradroid on January 26, 2012, 05:27:25 pm ---Well, that makes the decision for you: get your TV looking PERFECT for the SNES using the Service Menu geometry adjustments. Then, use Arcade_OSD to discover the correct values and then setup your monitor_spec line accordingly, yes?
--- End quote ---
Yes, that's the right way to do it.
apfelanni:
there are several codes related to the build in chassis . try standby , remote : I+ , 5 , Vol+ , picture . if tt appears on the screen press menu .
alternate method may be to start the tv with 2 pressed buttons from the front panel . google ur chassis and service mode .
i ll adjust the screen that 9x % of my favorites are working well. i ll give a dam of some crapgames i ll never play . try alternate nearby resolutions if a game hesitates to work .
only the 29 inch sonys have a second coil around the tube to adjust rotation in + - degrees steps. maybe the tech can be adapted to the 25 inch models , coz the chassis are identical with all the needed plugs. both my 25 inch sonys have these slight offsets.
lettuce:
--- Quote from: Calamity on January 26, 2012, 05:21:41 pm ---However, I was recommending you trying Arcade_OSD adjustments in order to get the minimum vertical back porch that your monitor is happy with.
--- End quote ---
Ok ill do that first and then get a more accurate values by selecting 720x480i and try centering that mode as best as possible.
I take it that if i select a V back porch value that is too low then ill just get a 'out of sync' display on my TV right?? What resolution is the correct one to use to find my lowest V back porch value or doesnt it matter?
Something strange is going on here, have just loaded TMNT and the screen is really zoomed in, for the nag screen the actual nag box in the centre of the screen with the text in thats the only thing i can see just that box, when the game loads the horizontal values seem to be ok and fit the screen, but on the vertical the game screen is about a quarter down the screen and cuts the rest off at the bottom, yet when i run the res mode that TMNT uses in Arcade OSD (336x240) it fills the screen fine!!
EDIT: OutRun (320x224) seems to be doing a similar thing, nag screen zoomed in and the in game display is a quarter up the screen with a massive border at the bottom?
--- Quote from: Paradroid on January 26, 2012, 05:27:25 pm ---Well, that makes the decision for you: get your TV looking PERFECT for the SNES using the Service Menu geometry adjustments. Then, use Arcade_OSD to discover the correct values and then setup your monitor_spec line accordingly, yes?
--- End quote ---
Yeah well thats what i was think but what ever i do with the Arcade OSD settings im not going to be able to get games like R-type to fit my screen??
lettuce:
--- Quote from: apfelanni on January 26, 2012, 05:41:16 pm ---there are several codes related to the build in chassis . try standby , remote : I+ , 5 , Vol+ , picture . if tt appears on the screen press menu .
alternate method may be to start the tv with 2 pressed buttons from the front panel . google ur chassis and service mode .
i ll adjust the screen that 9x % of my favorites are working well. i ll give a dam of some crapgames i ll never play . try alternate nearby resolutions if a game hesitates to work .
only the 29 inch sonys have a second coil around the tube to adjust rotation in + - degrees steps. maybe the tech can be adapted to the 25 inch models , coz the chassis are identical with all the needed plugs. both my 25 inch sonys have these slight offsets.
--- End quote ---
How do i find what chassiz the Sony uses?, is there a database somewhere on the net, or is the only way to find out to take the TV apart?
Calamity:
--- Quote ---I take it that if i select a V back porch value that is too low then ill just get a 'out of sync' display on my TV right?? What resolution is the correct one to use to find my lowest V back porch value or doesnt it matter?
--- End quote ---
Before it goes out of sync you should see some distortion on the top of the picture, you need to find the lowest value that's distortion-free. Best resolution to test this: one with 256 lines.
If you start experiencing issues like that one with tnmt after messing with Arcade_OSD, try running VMMaker and restarting to regenerate all modelines.
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