[PDF] 8086 registers tutorial

8086 CPU has 8 general purpose registers, each register has its own name:
  1. AX - the accumulator register (divided into AH / AL).
  2. BX - the base address register (divided into BH / BL).
  3. CX - the count register (divided into CH / CL).
  4. DX - the data register (divided into DH / DL).
  5. SI - source index register.
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  • What are the 4 registers in 8086?

    The registers inside the 8086 are all 16 bits. They are split up into four categories: General Purpose, Index, Status & Control, and Segment. The four general purpose registers are the AX, BX, CX, and DX registers.

  • What are the 16 registers in 8086?

    The 8086 has 14 16 bits registers. AX, BX, CX, DX, SI, DI, BP, SP, CS, DS, SS, ES, IP and the flags register. The last two are only accessed indirectly.

  • How many registers are there in 8086?

    8086 has eight general purpose registers. This is the accumulator. It is 16-bit registers, but it is divided into two 8-bit registers.
  • The 8086 has eight more or less general 16-bit registers (including the stack pointer but excluding the instruction pointer, flag register and segment registers). Four of them, AX, BX, CX, DX, can also be accessed as twice as many 8-bit registers (see figure) while the other four, SI, DI, BP, SP, are 16-bit only.
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