It then decrements the stack pointer by two again and copies the offset of the instruction ,after the CALL to the stack. When the 8086 executes a far CALL it decrements the stack pointer by two and copies the contents of the CS register to the stack. The near CALL is also known as intrasegment CALLĪ far CALL is a call to a procedure which is in a different segment from that which contains the CALL instruction. It loads IP with the offset of the first instruction of the procedure in same segment. When the 8086 executes a near CALL instruction it decrements the stack pointer by two and copies the offset of the next instruction after the CALL on the stack. A near CALL is a call to a procedure which is in the same code segment as the CALL instruction. There are two basic types of CALLs, near and far. The CALL instruction is used to Program Execution Transfer Instructions in 8086 Microprocessor to a subprogram or procedure.
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