Low Memory
t
Protected
1
Unprotected
High Memory
Background TCB, without PSD
Floating accumulator (5 locations)
FORTRAN I/O format information
Allocated temporary space
Unallocated (as yet) temporary
space for Public Library and
monitor service routine use.
User program and subprograms
(including any I ibrary routines
not in the Publ i c Li brary)
Unused space
Disk I/O blocking buffers
(From 1 to 16 buffers; si ze of
buffer determined at SYSGEN)
Blank COMMON (if any)
(Unavailable memory, if any)
Figure 5. Background Memory Usage Example
12
Background Memory Usage Example
(K:BACKP)
(K:BACKBG), (K:BASE)
TEMPBASE+6
K:DYN
TEMPLIM
(K:BACKBUF)
(K:UNAVBG)