Ld r, (iy+d) – Zilog Z08470 User Manual
Page 87
UM008007-0715
Z80 Instruction Description
Z80 CPU
User Manual
75
LD r, (IY+d)
Operation
r ← (IY+D)
Op Code
LD
Operands
r, (lY+d)
Description
The operand (lY+d) loads the contents of Index Register IY summed with two’s-comple-
ment displacement integer, d, to register r, in which r identifies registers A, B, C, D, E, H,
or L, assembled as follows in the object code:
Condition Bits Affected
None.
Register
r
A
111
B
000
C
001
D
010
E
011
H
100
L
101
M Cycles
T States
4 MHz E.T.
5
19 (4, 4, 3, 5, 3)
4.75
d
0
1
r
1
0
1
1
1
1
1
1
1
1
1
FD