Microprocessor Intel 8085 :

Intel 8085 is the first popular microprocessor used by many vendors. Due to its simple architecture and organization, it is easy to understand the working principle of a microprocessor.

Register in the Intel 8085:

The programmable registers of 8085 are as follows -

• One 8-bit accumulator A.
• Six 8-bit general purpose register (GPR’s)
  B, C, D , E , H and L.
• The GPR’s are also accessible as three 16-bit register pairs BC, DE and HL.
• There is a 16-bit program counter(PC), one 16-bit stack pointer(SP) and 8-bit flag register . Out of 8 bits of the flag register , only 5 bits are in use.