ZiLOG eZ80

eZ80
®
CPU
User Manual
UM007714-0908 CPU Instruction Set
157
INC IX/Y
Increment
Operation
IX/Y ← IX/Y+1
Description
The CPU increments the contents of the specified Index Register, IX or IY, by 1. In Z80
mode, or when the
.S suffix is employed, IX/Y [23:16] ← 00h.
Condition Bits Affected
None.
Attributes
Mnemonic Operand ADL Mode Cycle Opcode (hex)
INC IX X 2 DD, 23
INC.S IX 1 3 52, DD, 23
INC.L IX 0 3 49, DD, 23
INC IY X 2 FD, 23
INC.S IY 1 3 52, FD, 23
INC.L IY 0 3 49, FD, 23