Tag: garbagecollection - 2026

• Building a heap out of slabs

  25 September 2026 | Series: buildingskate | Tags: retrocomputing, scheme, z80, cpm, memorymanagement, garbagecollection

  

  Skate divides its small heap into 256-byte pages. Pairs, bindings, closures, strings and vectors can then share the available memory without fixed reservations for each type.

• Taking out the garbage

  22 September 2026 | Series: buildingskate | Tags: retrocomputing, scheme, z80, cpm, garbagecollection, triptych

  

  Skate reclaims list pairs that a running program can no longer reach. Its collector traces from live roots, keeps reachable pairs and returns the rest to the free list.