eZ80
®
CPU
User Manual
UM007714-0908 CPU Instruction Set
159
INC r
Increment
Operation
r ← r+1
Description
The
r
operand is any of the 8-bit CPU registers A, B, C, D, E, H, or L. The CPU incre-
ments the contents of the specified register
r
by 1.
Condition Bits Affected
Attributes
jj identifies the A, B, C, D, E, H, or L register and is assembled into one of the opcodes
indicated in Table 56.
S Set if result is negative; reset otherwise.
Z Set if result is 0; reset otherwise.
H Set if carry from bit 3.
P/V Set if operand was 7Fh before operation; reset otherwise.
N Reset.
C Not affected.
Mnemonic Operand ADL Mode Cycle Opcode (hex)
INC r X1jj
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