On the problem with /sim/verify/kick.1d.xy.exp with model 
cam 13 b, the problem is that the cam chip does bus holdups 
after reading scan-io; we need to do the programmed
wait after scan-io reads as well as writes (we thought we
could get away without this because the bus has to turn 
around, but the holdups propagate backwards anyhow). 
 
                       Doug