Zilog Z80380 Manual de usuario Pagina 90

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Z380
USER'S MANUAL
DC-8297-03
ZILOG
EXALL
EXCHANGE ALL REGISTERS WITH ALTERNATE BANK
EXALL
Operation: SR(24) NOT SR(24)
SR(16) NOT SR(16)
SR(8) NOT SR(8)
Bits 8, 16, and 24 of the Select Register (SR), which control the selection of primary or
alternate bank for the BC, DE, HL, IX, and IY registers, are complemented, thus effectively
exchanging the BC, DE, HL, IX, and IY 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
EXALL 11101101 11011001 3
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