Rolling picture in games!

[ZippySLC]

Hopefully someone can help!

I have an ArcadeVGA running under WinXP and MAMEWAH. My Windows desktop and MAMEWAH display fine, but when I run a game, I need to adjust the VHold to get a stable picture. When I exit from the game, MAMEWAH scrolls.

My monitor is a WG 19K7601 if that helps out. I've tried MAME and SmoothMAME with the same results. Is there a command line switch that will force it to use 60hz for the display of _all_ games?

[rampy]

Hopefully someone can help!

I have an ArcadeVGA running under WinXP and MAMEWAH. My Windows desktop and MAMEWAH display fine, but when I run a game, I need to adjust the VHold to get a stable picture. When I exit from the game, MAMEWAH scrolls.

My monitor is a WG 19K7601 if that helps out. I've tried MAME and SmoothMAME with the same results. Is there a command line switch that will force it to use 60hz for the display of _all_ games?

Just to tie these together... here's my thread on this issue ArcadeVGA VHOLD Sweet Spot?

pyronius's smoothmame post on ultimarc

my thread on ultimarc board

*shrug*  I'll get to work on this more tonight and report back.

Rampy

[rampy]

I'll cross post my update from the ultimarc board ####

Hello:

I finally got over to my buddies garage to try and find that sweet spot on the VHOLD pot for different resolutions.

If you're in the DOS world (like I currently am) I highly reccommend getting the latest build of dmame (71b) as noted in another thread here it does a MUCH better job of choosing the appropriate resolution based upon what your video card says it can handle. (example: previously invoking sf2 on the vertical monitor (i.e. letterboxed) MAME would choose a resolution that was out of bounds for the AVGA card. Now with dmame .71 it chooses a more correct resolution of 640x480 interlaced mode... i think anyways -- at least it shows up)

I tinkered some and DID find a sweet spot that worked for vertical games (on a vert monitor!) AND 640x480 interlaced stuff (oddly it almost felt like there was a detent when the pot reached the semi-magice spot) ... So switching from MS Pacman to Game Launcher to Galaga or Pheonix to Gamelauncher to SFIICE is not rolling.  (of course I have other artifacts/bowing to contend with due to the age/calibration of the monitor but that's a story for a different thread)

I did try forcing 800x600 just to see and THAT scrolled like crazy -- so i'm not out of the woods yet... but I *hope* I can reasonably coax most of the games to work sans constant adjustment.  So it seems I sorta have a compromise ... and maybe if I it isn't perfect I can utilize the smoothmame suggestion  (scroll up for pyronious thread on smoothmame and AVGA)

I didn't get a chance to try too many more before disaster struck.  The Boot drive got fux0red (like sparks/schorch mark and toasted components fux0red -- fdisk/reformat isn't gonna help this puppy!)

So, I hope that's mildly encouraging for the others out there that have a simliar issue.

Rampy