Lesson Archives

  1. Software Interrupts, INT 21, INT 21 / AH = 1h, Read from standard input, INT 21 / AH = 2h : Write to standard output, NT 21 / AH = 2Ah Read System Date,
  2. 8086 EMU, Program to reverse the given string and store at the same location, program using the LOOP instruction with indirect addressing that copies a string from source to target, reversing the character order in the process, Use of XCHG command
  3. 8086 EMU, Immediate Addressing Mode, Direct Addressing Mode, Register Addressing Mode, Base Addressing Mode, Indexed Addressing Mode, Base Indexed Addressing Mode, Register Indirect Addressing Mode, Implied Addressing Mode, String Addressing Mode. IO Port Addressing.