Ld sp, iy – Zilog Z08470 User Manual
Page 124
Advertising

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
1
1
1
0
1
1
1
1
FD
1
1
1
0
1
0
1
1
F9
Advertising