Modified stdlib to use stack rotations to timeshare heap registers.

[vvhitespace] / stdlib / README.md

diff --git a/stdlib/README.md b/stdlib/README.md
index b41e251..a98b7c7 100644 (file)
--- a/stdlib/README.md
+++ b/stdlib/README.md
@@ -19,9 +19,9 @@ following reservations:
 ## Heap and Pointers ##
 
 The first 16 heap addresses (`0-15`) are reserved when using the stdlib.
 ## Heap and Pointers ##
 
 The first 16 heap addresses (`0-15`) are reserved when using the stdlib.

-Within that reservation, heap[0] is used by `random` and heap[15] is used
-by `spewreg`. The remaining 14 locations, heap[1]-heap[14] are used as
-general-purpose registers.
+Within that reservation, heap[0] is used by `random` and the block
+heap[2]-heap[15] by the stack rotation subroutines which time-share these
+pseudo-registers between the various stdlib subroutines.

 
 By convention, functions which return a pointer will use the address `0` to
 represent a `NULL` pointer.
 
 By convention, functions which return a pointer will use the address `0` to
 represent a `NULL` pointer.