NEWPORT_DCBADDR_XMAP_BOTH
KASSERT(chip != NEWPORT_DCBADDR_XMAP_BOTH);
if (chip == NEWPORT_DCBADDR_XMAP_BOTH)
(NEWPORT_DCBADDR_XMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) |
xmap9_write(dc, NEWPORT_DCBADDR_XMAP_BOTH,
xmap9_write(dc, NEWPORT_DCBADDR_XMAP_BOTH, XMAP9_DCBCRS_CURSOR_CMAP,