Zilog Z80380 Manual de usuario Pagina 93

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Z380
USER'S MANUAL
ZILOG
DC-8297-03
EXX
EXCHANGE REGISTERS WITH ALTERNATE BANK
EXX
Operation: SR(8) NOT SR(8)
Bit 8 of the Select Register (SR), which controls the selection of primary or alternate bank
for the BC, DE, and HL registers, is complemented, thus effectively exchanging the BC, DE,
and HL registers between the two banks.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Addressing Execute
Mode Syntax Instruction Format Time Note
EXX 11011001 3
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