
Z80 Instruction Set UM008007-0715
112
Z80 CPU
User Manual
LD SP, IY
Operation
SP ← IY
Op Code
LD
Operands
SP, IY
Description
The 2-byte contents of Index Register IY are loaded to the Stack Pointer SP.
Condition Bits Affected
None.
Example
If Index Register IY contains the integer A227h, then upon the execution of an LD SP, IY
instruction, the Stack Pointer also contains
A227h.
M Cycles T States 4 MHz E.T.
2 10 (4, 6) 2.50
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