INX

Syntax: INX Rhp

Where Rhp is the higher order register of the pair BC or DE or HL.

Byte: 1byte

Addressing Mode: Register Addressing

Working: 

1. 

2. 

3. 

4. Flag

Example: INX H

Where [HL]= 1000H

After execution of INX H

 [HL]= 1001H