Ex af, af – Zilog Z08470 User Manual
Page 135
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UM008007-0715
Z80 Instruction Description
Z80 CPU
User Manual
123
EX AF, AF
′
Operation
AF
↔
AF'
Op Code
EX
Operands
AF, AF′
Description
The 2-byte contents of the register pairs AF and AF' are exchanged. Register pair AF con-
sists of registers A′ and F′.
Condition Bits Affected
None.
Example
If register pair AF contains
9900h
and register pair AF′ contains
5944h
, the contents of
AF are
5944h
and the contents of AF′ are
9900h
upon execution of the EX AF, AF′
instruction.
M Cycles
T States
4 MHz E.T.
1
4
1.00
0
0
0
0
0
0
0
1
08