Statement List (STL) for S7-300 and S7-400 Programming
A5E00706960-01
14-1
14 Accumulator Instructions
14.1 Overview of Accumulator and Address Register
Instructions
Description
The following instructions are available to you for handling the contents of one or
both accumulators:
• TAK Toggle ACCU 1 with ACCU 2
• PUSH CPU with Two ACCUs
• PUSH CPU with Four ACCUs
• POP CPU with Two ACCUs
• POP CPU with Four ACCUs
• ENT Enter ACCU Stack
• LEAVE Leave ACCU Stack
• INC Increment ACCU 1-L-L
• DEC Decrement ACCU 1-L-L
• +AR1 Add ACCU 1 to Address Register 1
• +AR2 Add ACCU 1 to Address Register 2
• BLD Program Display Instruction (Null)
• NOP 0 Null Instruction
• NOP 1 Null Instruction
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