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Laboratory 3.2 (cont)

  • * bits 0-3 only, ā€œNā€ means N bit (bit 3) is 1

  • $12 % 0001 0010 1*16 + 2 = 18

  • +$D0** % 1101 0000 -3*16 = -48

  • $E2 % 1110 0010 ($1D+1= 1*16+14) -30

  • ** NOT(0011 0000) + 1 = % 1101 0000 = $D0

  • borrowed into 7th bit

  • no change to register A


    Notes: