Am Freitag, den 11.11.2005, 08:51 -0500 schrieb Timothy Miller: > > The 5th bit (only one, shared by both counters) can be set by every > > write and reset by every read. If it's set, then the FIFO can't be > > empty, and a read is allowed even if the pointers are equal. If it's > > reset, the FIFO can't be full and a write is allowed even if the > > pointers are equal. > > How do you set and reset it like that from two different clock > domains? I suppose we could have two bits and look at their XOR.
I don't know how the XOR is supposed to work, but what I had in mind was a simple RS latch. - Viktor Pracht _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
