Instruction List
B-48
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.37 Block Call Instructions
In-
stru-
Length
in
Typical Execution Time in
s
ction Address
ID
Description
Words
Direct Ad-
dressing
Indirect Ad-
dressing
*
CALL FC Unconditional call of a function 1**/2 7.7 -
SFC Unconditional call of a function of the ope-
rating system
2 See Appendix C for execution
times
UC FC Unconditional call of blocks without para-
meters
1**/2 5.3 6.1+
Status word for: CALL, UC BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – – – – 0 0 1 – 0
CC FC Conditional call of blocks without parame-
ters
1**/2 5.3 6.1+
Status word for: CC BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – Yes –
Instruction controls: – – – – 0 0 1 – 0
OPN DB Open a data block 2 1.5 2.6+
DB para. Open a data block (addressed via parame-
ter)
2 – –
DI Open an instance data block 2 1.5 2.6+
Status word for: OPN BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: – – – – – – – – –
Instruction controls: – – – – – – – – –
* + time for loading the address of the instruction
** With direct instruction addressing
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