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Statement List (STL) - DCE FEL ČVUT v Praze

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Load and Transfer Instructions<br />

9.11 CAR Exchange Address Register 1 with Address<br />

Register 2<br />

Format<br />

Description<br />

Status word<br />

CAR<br />

CAR (swap address register) exchanges the contents of address registers AR1 and<br />

AR2. The instruction is executed without regard to, and without affecting, the status<br />

bits.<br />

The contents of address register AR1 are moved to address register AR2 and<br />

the contents of address register AR2 are moved to address register AR1.<br />

BR CC 1 CC 0 OV OS OR STA RLO /FC<br />

writes: - - - - - - - - -<br />

9.12 TAR1 Transfer Address Register 1 to ACCU 1<br />

Format<br />

TAR1<br />

Description<br />

TAR1 transfers the contents of address register AR1 into ACCU 1 (32-bit pointer).<br />

The previous contents of ACCU 1 are saved into ACCU 2. The instruction is<br />

executed without regard to, and without affecting, the status bits.<br />

Status word<br />

BR CC 1 CC 0 OV OS OR STA RLO /FC<br />

writes: - - - - - - - - -<br />

<strong>Statement</strong> <strong>List</strong> (<strong>STL</strong>) for S7-300 and S7-400 Programming<br />

A5E00706960-01 9-11

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