-u100
1517:0100 B83412        MOV     AX,1234
1517:0103 89C3          MOV     BX,AX
1517:0105 88D9          MOV     CL,BL
1517:0107 3E            DS:
1517:0108 A30002        MOV     [0200],AX
1517:010B 8A2E0102      MOV     CH,[0201]
1517:010F 26            ES:
1517:0110 A32002        MOV     [0220],AX
1517:0113 BE2002        MOV     SI,0220
1517:0116 8A24          MOV     AH,[SI]
1517:0118 BD2002        MOV     BP,0220
1517:011B 3E            DS:
1517:011C B87856        MOV     AX,5678
1517:011F BB0002        MOV     BX,0200
-
-u 011F
1517:011F BB0002        MOV     BX,0200
1517:0122 3E            DS:
1517:0123 894702        MOV     [BX+02],AX
1517:0126 B8AB90        MOV     AX,90AB
1517:0129 BF2002        MOV     DI,0220
1517:012C 8945E4        MOV     [DI-1C],AX
1517:012F BB0001        MOV     BX,0100
1517:0132 BE0401        MOV     SI,0104
1517:0135 8A08          MOV     CL,[BX+SI]
1517:0137 BE0001        MOV     SI,0100
1517:013A 8A6805        MOV     CH,[BX+SI+05]
1517:013D 0000          ADD     [BX+SI],AL
-