ZiLOG Z80380 User Manual page 95

Z
ILOG
EXXY
SR(24) ← NOT SR(24)
Operation:
Bit 24 of the Select Register (SR), which controls the selection of primary or alternate bank
for the IY register, is complemented, thus effectively exchanging the IY register between the
two banks.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Addressing
Mode Syntax
EXXY
DC-8297-03
EXCHANGE IY REGISTER WITH ALTERNATE BANK
Instruction Format
11111101 11011001
Execute
Time Note
3
™
Z380
U ' M
SER S ANUAL
EXXY
5-61