Software Support > GroovyMAME
640x480p@200Hz in SCART TV and monitor specs
Calamity:
groovymame64_0143.013a or groovymame64_0143.013b would be fine and are more up to date.
You can try games like rtype or mk with refresh rates in the middle of PAL/NTSC to see how it behaves.
rjpe:
Ok, I changed the monitor to "custom" in vmmaker.ini, kept the dotclock ratio to 7.39 (Radeon HD).
It generated 100 modelines.
attached goes custom.txt that contains the generated modelines, in the end of the line, if it doesn't work I wrote NOT WORKING, and the behavior (Scrolling or Blank), when testing with ArcadeOS.
All the 640x480 resolutions don't work with this custom specs.
I tried mk and rtype, and they both work (the refresh is awful compared with 704x480i, but it runs).
Attached goes the verbosity of both games in groovymame (mk_detail.txt and rtype_detail.txt).
For the NTSC monitor option, it generated 31 modelines, only one resolution doesn't work (384x240_60 15.77KHz 59.98Hz), the screen goes blank.
Waiting for your feedback.
Calamity:
It seems your screen doesn't like anything above 15.8 kHz, you can edit upper hfreq limit like this:
monitor_specs_0 = "15625-15800, 49.50-65.00, 2.000, 4.700, 8.000, 0.064, 0.160, 1.056, 0, 0, 288, 448"
I think you can force most of the modelines as interlaced by doing this:
monitor_specs_0 = "15625-15800, 49.50-65.00, 2.000, 4.700, 8.000, 0.064, 0.160, 1.056, 0, 0, 200, 448"
... however, this doesn't work for vertical games, I'm seeing, I'll need to check why.
Remind to use same settings for mame.ini/vmmaker.ini.
rjpe:
rtype (704x528@55.02) and mk (704x528@54.82) look now amazing at their original refresh, in an interlaced resolution!
the majority of games I tried syncs to 640x480i@60, wich is Ok!
rthunder looks bad because it choses a progressive modeline.
Still a lot of low res modelines in progressive mode, that look bad in my TV, Modeline.txt attached... tried to switch to interlaced=yes in ArcadeOS, but the screen goes blank - it needs more science for sure :) How can we transform these to interlaced?
Regarding the vertical games, I had the same problem with the standard "CUSTOM" specs - maybe it is pixel clock value (7.39) related?
UPDATE: just noticed that I'm having the horizontal short width problem in XP64 Desktop that happens with CGA option. I need a couple or three more pixels... I can't adjust the geometry to view the full screen, what do I need to change in the specs? In NTSC there is no problem.
Best
Calamity:
Those progressive modelines are the product of rotated vertical games resolutions, ideally they should appear as interlaced with those last settings but the modeline generator is not doing the right thing there, I'll need to fix that somehow, yours is the first case it's used that way.
Better use the groovyMAME binary here: http://mario.groovy.org/GroovyMame/WindowsATIDrivers/
It won't fix those issues but will make a better selection of interlaced modes.
Remind to use -v -md 4 params for getting truly verbose logs.
Yeah you need a full modeline recalculation in order to achieve interlaced resolutions.
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