8085 Simulator










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EI

  Opcode Operand Description EI None Enable interrupt     —    The   interrupt   enable   flip-flop   is   set   and   all   interrupts  are   enabled. —    No  flags  are   affected. —    This   instruction   is   necessary   to   re-enable   the interrupts  (except   TRAP). —    Example:   EI
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MVI

  Opcode Operand Description MVI Rd, Data M, Data Move immediate 8-bit     —    The   8-bit   data   is   stored   in   the   destination   register   or  memory.   —    If the   operand   is   a   memory   location,   its   location   is specified  by  the  contents  of the H-L   registers.   —    Example:  MVI A,   57H —     MVI M,   57H
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MOV

  Opcode Operand Description MOV Rd,Rs Rd,M M, Rs Copy from source to destination.   —    This instruction copies the  contents  of the source  register into   the destination register. —    The  contents  of the source  register are  not   altered. —    If one of the operands is a memory location, its location is specified   by the contents of the HL registers. —    Example:  MOV  B,   C —     MOV  B,   M —    MOV M,   C  
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