351
Data Movement Instructions Section 3-8
Variations
Applicable Program Areas
Operand Specifications
Description XCHG(073) exchanges the contents of E1+1 and E1 with the contents of
E2+1 and E2.
To exchange 3 or more words, use XFER(070) to transfer the words to a third
set of words (a buffer) as shown in the following diagram.
Variations Executed Each Cycle for ON Condition XCGL(562)
Executed Once for Upward Differentiation @XCGL(562)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area E1 E2
CIO Area CIO 0000 to CIO 6142
Work Area W000 to W510
Holding Bit Area H000 to H510
Auxiliary Bit Area A448 to A958
Timer Area T0000 to T4094
Counter Area C0000 to C4094
DM Area D00000 to D32766
EM Area without bank E00000 to E32766
EM Area with bank En_00000 to En_32766
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants --- ---
Data Registers ---
Index Registers IR0 to IR15
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047, IR0 to –2048 to +2047, IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –) IR0 to, –(– –) IR15
E2E1 E1+1 E2+1
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