
Z80 Instruction Set UM008007-0715
122
Z80 CPU
User Manual
EX DE, HL
Operation
DE ↔ HL
Op Code
EX
Operands
DE, HL
Description
The 2-byte contents of register pairs DE and HL are exchanged.
Condition Bits Affected
None.
Example
If register pair DE contains 2822h and register pair HL contains 499Ah, then upon the
execution of an EX DE, HL instruction, register pair DE contains
499Ah and register pair
HL contains
2822h.
M Cycles T States 4 MHz E.T.
141.00
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