Chapter 3. Program Data
40 PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual GFK-2950C
3.3 User Reference Size and Default
Maximum user references and default reference sizes are listed in the table below.
0—42,088,704 bytes
(This is the total memory available for the combined total of
symbolic memory. This also includes other user memory use,
program etc.)
3.3.1 %G User References and CPU Memory Locations
The CPU contains one data space for all of the global data references (%G). The internal CPU memory
for this data is 7680 bits long. For Series 90-70 systems, the programming software subdivides this
range using %G, %GA, %GB, %GC, %GD, and %GE prefixes—allowing each of these prefixes to be
used with bit offsets in the range 1–1280. For PACSystems, these ranges are converted to %G.
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