Software Support > GroovyMAME
Pixel doubling on 31khz monitors with custom drivers?
lettuce:
yeah just figured out it doesnt change on the fly!
Ok was it ok to set 'Lock VFREQ' to No, as it kept changing the back porch value when i was trying to setup the front porch value?
Anyway this is the best i could get it.....
Calamity:
--- Quote from: lettuce on July 22, 2011, 05:19:12 pm ---yeah just figured out it doesnt change on the fly!
Ok was it ok to set 'Lock VFREQ' to No, as it kept changing the back porch value when i was trying to setup the front porch value?
Anyway this is the best i could get it.....
--- End quote ---
It's ok to disable Lock VFreq, when doing so only mind Vfreq not getting out of your monitor's limit while changing stuff.
So is the geometry looking any better and picture fits the screen again?
If so, use those values for the monitor_specs line:
hfrontporch: 5.16
hbackporch: 11.36
15250.00-15700.00,49.50-65.00,5.160,4.700,11.360,0.064,0.192,1.024,0,0,288.0,448'
lettuce:
--- Quote from: Calamity on July 22, 2011, 05:28:51 pm ---It's ok to disable Lock VFreq, when doing so only mind Vfreq not getting out of your monitor's limit while changing stuff.
So is the geometry looking any better and picture fits the screen again?
If so, use those values for the monitor_specs line:
hfrontporch: 5.16
hbackporch: 11.36
15250.00-15700.00,49.50-65.00,5.160,4.700,11.360,0.064,0.192,1.024,0,0,288.0,448'
--- End quote ---
Ok will do, ok i know i need to add that line to the mame.ini file along with changing my monitor to d9200. But do i need to change anything on the VMMaker.ini file?, if so what line am i looking for?
Calamity:
Use the same monitor_specs line in vmmaker.ini, (replace the existing one with the right values). Then change monitor type to "CUSTOM" so it actually reads the monitor_specs line (this slightly differs to mame.ini behavour where the monitor_specs options, when not set to auto, always override the monitor definitions without the need of stating "custom"). Run vmmaker, reboot, etc.
lettuce:
Ok, heres what i have done
Changed just these settings in mame.ini......
monitor d9200
monitor_specs0 15250.00-15700.00,49.50-65.00,5.160,4.700,11.360,0.064,0.192,1.024,0,0,288.0,448
And in VMMaker.ini file i have changed just these lines and left everything else as is..
monitor_specs_0 = "15250.00-15700.00,49.50-65.00,5.160,4.700,11.360,0.064,0.192,1.024,0,0,288.0,448"
Saved and then ran VMMaker.exe and restarted the PC
There seems to be a slight improvment but not a great deal. Is there any other settings that might make it better??
The strange thing is i can remember about 2 years back when i first got this monitor i was using soft15khz program and had it set up so it was using double hz for 15khz games I think it was for people who only had 31khz monitors and wanted to get the look of 15khz games on their 31khz monitors ( cant remember why i wanted to do this seeings as i have a multisync monitor) Anyway in this mode i didnt get this squashed display on the right hand side what so ever. It only seems tobe when displaying 15khz modelines, any idea why this is? Is there any hardware tweaks i can make physically on the monitor to improve this problem?
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