Inc iy – Zilog Z08470 User Manual
Page 210
Z80 Instruction Set
UM008007-0715
198
Z80 CPU
User Manual
INC IY
Operation
IY ← IY + 1
Op Code
INC
Operand
IY
Description
The contents of Index Register IY are incremented.
Condition Bits Affected
None.
Example
If the index register contains
2977h
, then upon the execution of an INC IY instruction,
Index Register IY contains
2978h
.
M Cycles
T States
4 MHz E.T.
2
10 (4, 6)
2.50
1
1
1
0
1
1
1
1
FD
0
0
0
1
1
0
1
0
23