V10/vol2/Ucds/fig2.pic

.PS
.nr VS \n(.v
.nr PQ \n(.f
.nr PS \n(.s
.vs 6
.ft CW
.ps 6
scale = 16/0.125
"z<0:7>" rjust above at (192,-56)
line from (128,-56) to (192,-56)
"x<0:7>" ljust above at (0,-56)
line from (0,-56) to (64,-56)
"drive-" ljust above at (0,-72)
line from (0,-72) to (64,-72)
"OE?-" ljust   at (64,-72)
"Y?" rjust   at (128,-56)
"D?" ljust   at (64,-56)
"74F244" center above at (96,-48)
"buffer" center above at (96,-40)
box ht 56 wid 64 with .nw at (64,-24)
.vs \n(VSu
.ft \n(PQ
.ps \n(PS
.PE