Technical data

Possible errors
•• wrong length ID in ACCU-3-LH
•• destination address on the page is wrong or does not exist
•• specified page number does not exist
6.21.2
OB 217: Reading from
a Page
Function The special function organization block transfers a byte, word or
double word from a specific page to ACCU 1 (right-justified).
Addressing the page in the single and multiprocessor modes and
transferring the complete data (1, 2 or 4 bytes) form a single
program unit that must not be interrupted.
Parameters Accus
a) ACCU-3-LH
Identifier of the data to be transferred,
permitted values: 0 = byte
1 = word
2 = double word
b)
ACCU-3-LL
Current page no.,
permitted values: 0 to 255
c)
ACCU-2-L
Source address of the page,
permitted values: 0 to 2047
OB 216 to OB 218: Page Access
CPU 928B Programming Guide
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