Software Support > GroovyMAME
Groovy Arcade Linux Live-CD, based on Arch Linux (official update)
MonkeyJug:
it's picking:
432x320p
54.878hz
18.878khz
all it needs is another inch or so of 'H.SIZE' and d9800 would be perfect!
Calamity:
Well, the easiest trick is to create an ini file for the 'twincobr' driver, as 'twincobr.ini' where the mame.ini file is. Then enter the following:
aspect 5:4
The -aspect option forces GM into thinking your monitor has a different aspect. This option is global so you need to place it in a specific game or driver file otherwise it would affect all games. For vertical games, 4:3 means normal aspect, 3:3 square, 3:4 full screen stretch (ugly). This means something in the middle of 3:3 and 4:3 is what you want, e.g. 5:4. Try different values.
Obviously this will only affect those games (Twin Cobra & Flying Shark). If you want to affect all 320 lines tall games, you need to edit the range. It seems GM is picking the 18-19kHz range (2).
So one approach is to reduce the margins (horizontal porches) so the active picture will get wider. These are the default D9800 values:
monitor custom
crt_range0 15250-18000, 40-80, 2.187, 4.688, 6.719, 0.190, 0.191, 1.018, 0, 0, 224, 288, 448, 576
crt_range1 18001-19000, 40-80, 2.187, 4.688, 6.719, 0.140, 0.191, 0.950, 0, 0, 288, 320, 0, 0
crt_range2 20501-29000, 40-80, 2.910, 3.000, 4.440, 0.451, 0.164, 1.048, 0, 0, 320, 384, 0, 0
crt_range3 29001-32000, 40-80, 0.636, 3.813, 1.906, 0.318, 0.064, 1.048, 0, 0, 384, 480, 0, 0
crt_range4 32001-34000, 40-80, 0.636, 3.813, 1.906, 0.020, 0.106, 0.607, 0, 0, 480, 576, 0, 0
crt_range5 34001-38000, 40-80, 1.000, 3.200, 2.200, 0.020, 0.106, 0.607, 0, 0, 576, 600, 0, 0
So change crt_range1 line by something like this:
crt_range1 18001-19000, 40-80, 2.000, 3.000, 4.000, 0.140, 0.191, 0.950, 0, 0, 288, 320, 0, 0
Notice the values are guessed, you will need to experiment to get those modes centered.
A second approach is to ditch the whole 18-19kHz range altogether and send 320-lines tall modes to the upper ranges by stretching the resolutions, e.g.:
monitor custom
crt_range0 15250-18000, 40-80, 2.187, 4.688, 6.719, 0.190, 0.191, 1.018, 0, 0, 224, 288, 448, 576
crt_range1 24500-29000, 40-80, 2.910, 3.000, 4.440, 0.451, 0.164, 1.048, 0, 0, 384, 400, 0, 0
crt_range2 29001-32000, 40-80, 0.636, 3.813, 1.906, 0.318, 0.064, 1.048, 0, 0, 400, 480, 0, 0
crt_range3 32001-34000, 40-80, 0.636, 3.813, 1.906, 0.020, 0.106, 0.607, 0, 0, 480, 576, 0, 0
crt_range4 34001-38000, 40-80, 1.000, 3.200, 2.200, 0.020, 0.106, 0.607, 0, 0, 576, 600, 0, 0
MonkeyJug:
Hi Calamity,
I have uploaded pictures of both presets (D9200 and D9800) so you can see the problems with Twin Cobra.
I have added a description of each picture. D9800 is 99.9% perfect with all games, except Flying Shark, Twin Cobra and Galaga (that I have found so far). These games are still playable, it's just the top 5% of the screen that is 'bent' like an old VHS tape.
http://s234.photobucket.com/user/MonkeyJug1/library/Groovy
Calamity:
Hi MonkeyJug,
Thanks a lot for the pics, they help.
Can you confirm if these pictures were taken when using my suggested settings in my last post?
Seeing your pictures, your D9200 looks definitely forced when displaying the 18-19 kHz range. I'd go for these settings:
monitor custom
crt_range0 15250-18000, 40-80, 2.187, 4.688, 6.719, 0.190, 0.191, 1.018, 0, 0, 224, 288, 448, 576
crt_range1 24500-29000, 40-80, 2.910, 3.000, 4.440, 0.451, 0.164, 1.048, 0, 0, 384, 400, 0, 0
crt_range2 29001-32000, 40-80, 0.636, 3.813, 1.906, 0.318, 0.064, 1.048, 0, 0, 400, 480, 0, 0
crt_range3 32001-34000, 40-80, 0.636, 3.813, 1.906, 0.020, 0.106, 0.607, 0, 0, 480, 576, 0, 0
crt_range4 34001-38000, 40-80, 1.000, 3.200, 2.200, 0.020, 0.106, 0.607, 0, 0, 576, 600, 0, 0
MonkeyJug:
they were using the default presets for both D9200 and D9800.
i will try with the settings above and report back...
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