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MICROPROCESSOR INSTRUCTION REFERENCE->EXG
EXG Exchange Registers
Compatibility: 68000, 68010, 68020 and CPU32 families.
Rx <-> Ry
Assembler Syntax: EXG Rx,Ry
where Rx and Ry can be either data or address registers.
Size: Long
Exchanges the contents of two 32-bit registers.
Condition Codes: Not Affected