VectorGlow
Student
As far as I'm aware the DL-2027 handles the sprites, but are any of the other customs involved too?
I ask because I'm currently working on a 19xx B board which has horizontal lines through the sprites -the fault is definitely on the B board, the ROMs are fine, the sockets are fine and, more to the point, the lines are still present even with all of the graphics ROMs removed so indicating that the fault isn't with the ROMs or the reading of them.
I even replaced the DL-2027 to no avail.
Any ideas please?
I ask because I'm currently working on a 19xx B board which has horizontal lines through the sprites -the fault is definitely on the B board, the ROMs are fine, the sockets are fine and, more to the point, the lines are still present even with all of the graphics ROMs removed so indicating that the fault isn't with the ROMs or the reading of them.
I even replaced the DL-2027 to no avail.
Any ideas please?