TMPL_131_sysz.txt
Heap Space in k: 4-byte integer (decimal)

TMPL_128_pkIO.txt
Block Version: 2-byte integer (decimal)
(bit field)
  boolean
  boolean
  boolean
  boolean
  boolean
  boolean
  boolean
  boolean
(bit field)
  boolean
  boolean
  Log Local: boolean
  Generate Log: boolean
  Self Contained: boolean
  Create New Sys Folder: boolean
  System Install: boolean
  Custom Install: boolean
604 data bytes
****: list (2-byte one-based item count)
  Custom Package ID: 2-byte integer (decimal)
Unused because of pascal: 2-byte integer (decimal)