memory boundaries, and fixup link addresses as necessary. This is needed
because of a quirk in how the OP works (it ORs constants on the address
lines to get the phrases it needs and if they are not zeroes, it will fail
- in bizarre ways).
+ in bizarre ways). It will also set all <ypos> constants on the correct
+ half-line (as that's how the OP views them).
Q: Why can't I define the link addresses for all the objects?