Ld (iy+d), n – Zilog Z08470 User Manual
Page 97
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UM008007-0715
Z80 Instruction Description
Z80 CPU
User Manual
85
LD (IY+d), n
Operation
(lY+d) ← n
Op Code
LD
Operands
(lY+d), n
Description
The n integer is loaded to the memory location specified by the contents of Index Register
summed with the two’s-complement displacement integer, d.
Condition Bits Affected
None.
Example
If Index Register IY contains the number
A940h
, the instruction LD (IY+10h),
97h
results in byte
97h
in memory location
A950h
.
M Cycles
T States
4 MHz E.T.
5
19 (4, 4, 3, 5, 3)
2.50
d
1
1
1
0
1
1
1
1
FD
n
0
0
1
1
0
1
1
0
36
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