
B–61863E–1/06
2. DETERMINING
THE SPECIFICATIONS
OF THE C PROGRAMS
APPLICATION
PROGRAMMING GUIDE
395
<Example>
When the size of the area for Ladder programs is changed from 96KB
to 72KB, the area is allocated as shown below:
MAX LADDER SIZE=96KB MAX LADDER SIZE=72KB
168000H
Data area for C
programs (about 64KB)
180000H
16E000H
180000H
NOTE 1
NOTE 1
NOTE 2
Ladder programs
(96KB)
NOTE 2
Ladder programs
(72KB)
Data area for C programs
(about 88KB)
NOTE
1 The first address of the data area for C programs is not
always set to a specific address.
2 The area used by the PMC management software.
3 The PMC management software automatically allocates
data areas (a) and (b) using the segment limit value
specified in the GDT entry by the link control statement
creation tool. It automatically allocates data area (c) using
the stack size specified by the link control statement
creation tool. Therefore, it is not necessary for the
application to be aware of specific addresses.