next up previous contents
Next: 7.2.3 The trail Up: 7.2 The data structures Previous: 7.2.1 The local stack

7.2.2 The heap

The heap holds compound terms. These compound terms may be lists or structures. The H-register points to the top of the heap, whereas the register HB is the (redundant) heap backtrack register used for speeding up references to the old heap pointer.

Harold Boley (