andrew96
New member
Have a very weird sprite fault when they drop down, has anyone seen this before or know what causes it?
here is the events in attract mode when first switched on
1st one drops down on right hand side, all ok
then on left side 2 red ones and top row one drop down, end red one disapears right away and the other red one totally disapears while passing 2nd row from top while dropping, but reapears, when they rejoin the pack end red one is there again
right side 2 red ones and top row one drop, one red one on the end of the 3 dropping disapears the moment it moves to drop!, then the 2 left that can be seen BOTH disapear while passing 3rd row from the top red one reapears, but one from top row disapears not to be seen again untill it reapears back on top row after the dive
next dive, ok
next dive again, ok
totally stumpted! I still not sure if problem is with attack ram or object ram, both have been replaced and object ram throughly tested with the fluke 9010a, attack ram replaced along with all buffers, scope shows no stuck lines or anything silly like that.
anyone with any ideas?
it seems when 2 drop its fine, but the problems appear to be when 3 drop in a bunch
this is taken from the attract mode, but play mode is same
all roms have been changed for good ones also, just to illiminate any problems with code
HELP!!
here is a link to the video, i think it has to be downloaded first, but its 990k, i couldent find a way of embedding it, just right click and save as when over the link below
http://www.andrewfinn.co.uk/galaxian.wmv
any help will be good!!
thanks
Andrew
here is the events in attract mode when first switched on
1st one drops down on right hand side, all ok
then on left side 2 red ones and top row one drop down, end red one disapears right away and the other red one totally disapears while passing 2nd row from top while dropping, but reapears, when they rejoin the pack end red one is there again
right side 2 red ones and top row one drop, one red one on the end of the 3 dropping disapears the moment it moves to drop!, then the 2 left that can be seen BOTH disapear while passing 3rd row from the top red one reapears, but one from top row disapears not to be seen again untill it reapears back on top row after the dive
next dive, ok
next dive again, ok
totally stumpted! I still not sure if problem is with attack ram or object ram, both have been replaced and object ram throughly tested with the fluke 9010a, attack ram replaced along with all buffers, scope shows no stuck lines or anything silly like that.
anyone with any ideas?
it seems when 2 drop its fine, but the problems appear to be when 3 drop in a bunch
this is taken from the attract mode, but play mode is same
all roms have been changed for good ones also, just to illiminate any problems with code
HELP!!
here is a link to the video, i think it has to be downloaded first, but its 990k, i couldent find a way of embedding it, just right click and save as when over the link below
http://www.andrewfinn.co.uk/galaxian.wmv
any help will be good!!
thanks
Andrew
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